Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1. |
Wilson Middle School has ten sixth-grade classes. Two of the classes have both
band and chorus. What percent of the sixth-grade classes have both band and chorus?
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2. |
What percent of the grid is shaded? a. | 4% | c. | 60% | b. | 40% | d. |  % |
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3. |
What decimal is equal to  ? |
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4. |
How would you write  as a percent? |
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5. |
Which figure has the smallest fraction of area shaded?
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6. |
There are 30 students doing an experiment in science class. If 40% are measuring
the chemicals for an experiment, what percent are NOT measuring chemicals?
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7. |
How would you write  as an improper fraction? |
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8. |
Which fraction is not equivalent to  ? |
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9. |
Which of the following is equivalent to  ? |
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10. |
Which of the following is equivalent to  ? |
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Identify the fraction that is equivalent to the given fraction.
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11. |
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Find the LCM of the numbers.
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12. |
9, 27
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Compare the pair of numbers. Use <, =, or >.
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13. |
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14. |
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15. |
Use prime factorization to find the LCM of 10 and 40.
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16. |
A video game has three villains who appear on screen at different intervals. One
villain appears every 3 seconds, a second villain appears every 6 seconds, and a third villain
appears every 10 seconds. How much time passes between occasions when all three villains appear at
the same time?
a. | 90 seconds | b. | 30 seconds | c. | 180 seconds | d. | 60
seconds |
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17. |
Sarah is making her own Halloween costume. The costume requires 5  yards
of materials. Write the number of yards needed for Sarah’s Halloween costume as an improper
fraction. a. |  yards | b. | 
yards | c. |  yards | d. | 
yards |
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Write the decimal as a fraction or mixed number in simplest form.
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18. |
5.625
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Order the set of numbers on a number line.
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19. |
0.8, 1.5, 1.7, 1.03, 0.1
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20. |
0.3, 0.6, 1.5, 1.8, 1.02
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Use >, =, or < to complete the statement.
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21. |
0.47  0.64 |
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22. |
2.80  2.8 |
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23. |
0.48 + 0.13 + 0.21  0.82 |
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Write the decimal or fraction as a percent.
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24. |
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25. |
0.23
a. | 0.23% | b. | 0.023% | c. | 23% | d. | 2.3% |
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Use a calculator, paper and pencil, or mental math to write the decimal or
fraction as a percent. Round to the nearest percent.
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26. |
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Write the percent as a decimal.
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27. |
4%
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28. |
22%
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29. |
Which picture shows that  of the 6 circles are
shaded? |
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30. |
An airplane flew at an average speed of 432 miles per hour for  hours.
How far did the plane fly? a. | 10.8 miles | b. | 108 miles | c. | 1080 miles | d. | 10,800
miles |
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31. |
Shrya needed 3 cups of flour for a recipe. She could only find a  cup
measuring cup. How can she figure out how many times she must fill a  cup measuring cup
to get 3 cups? a. | Add 3 and  | c. | Multiply 3 by  | b. | Subtract  from 3 | d. | Divide 3 by  |
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32. |
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33. |
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34. |
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35. |
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36. |
Carletta bought 14 yards of green string to make shoelaces in the school color
for her basketball team. She estimates that it takes  yard to make one shoelace. How
many shoelaces can she make? a. |  | b. | 28 | c. | 35 | d. | 42 |
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37. |
Mr. Cisneros is cooking for an apple celebration. He uses  pounds
of apples to bake pies and  pounds of apples to make applesauce. How many more
pounds of apples does he use for the pies than for applesauce? |
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38. |
There are 32 students in Ms. Keusch’s homeroom. Of the students,  are boys. How many boys are in her homeroom? |
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39. |
In the refrigerator, Teguh found  of a pizza. He ate  of what was left. How much of the pizza did he eat? |
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40. |
Grace has a bag of three different kinds of cookies.  of the cookies
have chocolate chips and  of the cookies have oatmeal and raisins. How many
of the cookies have chocolate chips or oatmeal and raisins? |
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Estimate the sum or difference.
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41. |
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42. |
Simone measures the width of one cardboard strip as  yd. A second
cardboard strip measures  yd in width. Estimate the combined width of the
cardboard strips. a. | about  yd | b. | about  yd | c. | about 1
yd | d. | about  yd |
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Find the sum.
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43. |
8  + 7  |
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Find the difference.
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44. |
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45. |
 –  |
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46. |
Mrs. Peters bought  yards of fabric. She needs another  yards.
How many yards of fabric does she need all together? a. |  yards | b. | 
yards | c. |  yards | d. | 
yards |
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47. |
The table shows the distances a runner covers in one week. How much farther does
she run on Thursday than on Friday?  |
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48. |
Peter drank  of a quart of milk. Steve drank  of a
quart. How much more did Steve drink than Peter? |
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Find the product. Simplify.
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49. |
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50. |
a. | 16 | b. |  | c. |  | d. | 8 |
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Find the product.
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51. |
 ×  |
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52. |
Evaluate  for  . |
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53. |
Suppose you have 27 muffins. How many muffins are left after you give a friend
 of them? a. | 9 muffins | b. | 81 muffins | c. | 24 muffins | d. | 18
muffins |
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54. |
Betty had  yard of ribbon. She used  of it.
How many yards of ribbon did she use? |
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55. |
You are making scarves for presents. Each scarf needs  yd of
fabric. How many yards of fabric do you need for 7 scarves? |
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56. |
At a warehouse, boxes of merchandise are placed on shelves in stacks that are 8
boxes high. If each box is  inches in height, how tall is the stack of
boxes? |
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57. |
Find the reciprocal of  a. | 2 | b. | 11 | c. |  | d. |  |
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Find the quotient.
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58. |
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59. |
  5 |
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60. |
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61. |
Evaluate  for  . |
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62. |
Nicole’s friend runs  of a mile, but her distance is
only  of Nicole’s distance. How far does Nicole
run? |
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63. |
Four stores are having a sale on DVDs. Which store is offering the best
deal?
a. | Store 1: $3 off the regular price of $18.99 | b. | Store 2: 10% off the
regular price of $18.99 | c. | Store 3: 15% off the regular price of
$18.99 | d. | Store 5:  off the regular price of
$18.99 |
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64. |
The Farwell girls’ softball team went out to the local pizza restaurant to
celebrate their victory. The bill came to $72. What would be the amount of a 15% tip on this
bill?
a. | $7.20 | b. | $10.80 | c. | $9.00 | d. | $14.40 |
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65. |
A group of students went to the grocery store. The students spent $15.20
altogether. Each student spent $1.90. How many students were in this group?
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66. |
Which division problem does not have the same quotient as 7.8 ÷
3.9?
a. | 78 ÷ 39 | b. | 7.80 ÷ 3.9 | c. | 0.78 ÷ 0.039 | d. | 0.078 ÷
0.039 |
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67. |
Gabrielle bought 5 CDs. The individual cost of each CD was: $14.50, $13.95,
$14.99, $12.75, and $16.95. The closest estimate to the total cost of the five CDs is:
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68. |
During gym class, Troy jumped 4.5 feet. Brendon jumped 3.72 feet. How much
further did Troy jump than Brendon?
a. | 1.22 ft | b. | 0.82 ft | c. | 0.78 ft | d. | 1.78
ft |
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69. |
Charissa stopped at a deli to buy lunch. She bought a turkey sandwich for $2.40,
a bag of pretzels for $.70, and a lemonade for $1.10. How much did she pay for her lunch?
a. | $4.00 | b. | $4.20 | c. | $5.00 | d. | $4.40 |
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70. |
Which product is the smallest?
a. | 0.3 × 0.4 | b. | 0.03 × 0.04 | c. | 0.3 × 0.004 | d. | 0.003 × 0.04 |
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71. |
After which digit would the decimal be placed in the following product? 2.4 × 51.44 = 123456 a. | after the 1 | b. | after the 2 | c. | after the 3 | d. | after the
4 |
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72. |
How many decimal places are in the product of 3.76 × 42.89?
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73. |
How many decimal places are in the division of 3.75 ÷ 0.25?
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74. |
Which problem has the same quotient as 3.2 ÷ 14.5?
a. | 32 ÷ 14.5 | b. | 320 ÷ 145 | c. | 32 ÷ 145 | d. | 14.5 ÷
3.2 |
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75. |
In the refrigerator, Teguh found 75% of a pizza. He ate 50% of what was left.
How much pizza did he eat?
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Order the numbers from least to greatest.
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76. |
0.065, 0.033, 0.049, 0.031
a. | 0.065, 0.033, 0.049, 0.031 | c. | 0.065, 0.049, 0.033,
0.031 | b. | 0.033, 0.049, 0.065, 0.031 | d. | 0.031, 0.033, 0.049, 0.065 |
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77. |
Lupe is a helper in the school library. She wants to arrange the books on her
cart in order from greatest to least book number. If the numbers on the books are 341.43, 342.45,
342.19, and 342.29, in what order should she arrange them?
a. | 341.43, 342.19, 342.29, 342.45 | c. | 341.43, 342.45, 342.19,
342.29 | b. | 342.45, 342.29, 342.19, 341.43 | d. | 342.45, 342.19, 341.43,
342.29 |
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78. |
Manny has $75.59 in his savings account. He takes out $12.15. How much money
does he have left in the account?
a. | $63.45 | b. | $63.44 | c. | $85.72 | d. | $87.74 |
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79. |
Suzanne needs material for her school project. She buys 2.75 yards of material
at $5.84 a yard. What is the total cost of the material? Round to the nearest cent.
a. | $8.59 | b. | $16.06 | c. | $11.59 | d. | $13.75 |
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Use mental math to find the product.
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80. |
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81. |
100(6.3)
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Use mental math to find the quotient.
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82. |
a. | 238.67 | b. | 2.3867 | c. | 238,670 | d. | 23.867 |
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83. |
a. | 35,692 | b. | 3.5692 | c. | 35.692 | d. | 0.35692 |
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84. |
Find 70% of 48.
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85. |
Liam wants to buy a bicycle that costs $335.00. His parents say Liam must raise
20% of the money himself. How much money must Liam raise?
a. | $65.00 | b. | $67.00 | c. | $20.00 | d. | $33.50 |
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86. |
The sales tax rate is 6.9%. | a. | Find the tax paid for a pair of boots with a list
price of $128. | | b. | What is the total cost of the pair of boots? | | |
a. | $8.83; $128.88 | c. | $0.88; $136.83 | b. | $8.83; $136.83 | d. | $0.88; $128.88 |
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87. |
Theo made the table below to show the number of middle school students who
attended the last football game. If this data were displayed in a circle graph, what percent of the
graph would represent the eighth graders who attended the game?
Grade
| Number of Students in Attendance | 6 | 375 | 7 | 275 | 8 | 350 | | |
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88. |
A survey about the student government program at a school finds the following
results:
110 students like the program, 120 students think the program is unnecessary, and 210
students plan on running for student government next year. If a circle graph were made from this
data, what would the measure of the central angle be for the think the program is unnecessary
group?
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89. |
Find the measure of the central angle that you would need to draw to represent
86% in a circle graph. Round to the nearest degree if necessary.
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90. |
What is the area of this triangle? a. | 18 sq. m | b. | 36 sq. m | c. | 9 sq. m | d. | 6 sq.
m |
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91. |
Alexa wants to use ready-made 6-foot long fence sections for her yard. The yard
is a rectangle with dimensions 30 feet by 36 feet. How many fence sections will she need to enclose
her entire yard?
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92. |
A tire on Eduardo’s car has a radius of 20 inches. What is the
circumference of the tire to the nearest inch?
a. | 1256 in. | b. | 63 in. | c. | 126 in. | d. | 400
in. |
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93. |
If the width of a rectangle is tripled, what will be the effect on its
area?
a. | The area will remain the same. | c. | The area will be 3 times as
great. | b. | The area will be 9 times as great. | d. | The area will be 6 times as
great. |
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94. |
Mahina calculated the circumference of a can she wants to decorate. She measured
the diameter to be 6.4 cm. What was the circumference of the can, to the nearest cm?
a. | 39 cm | b. | 40 cm | c. | 20 cm | d. | 36
cm |
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95. |
The figure below shows the dimensions of Aman’s bedroom. Aman wants to put
new carpet in the room. Which of the following will help him figure out how much carpet he needs?
(All angles in the diagram are right angles.) a. | (6 × 10) + (2 ×
3) | c. | 6
+ 3 + 2 + 3 + 4 | b. | 6 × 3 × 2 × 3 × 4 | d. | (6 × 3) + (2
× 3) + 4 |
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96. |
What is the relationship between the area of the triangle and the area of the
rectangle below?
a. | The area of the triangle is the same as the area of the
rectangle. | b. | The area of the triangle is half the area of the rectangle. | c. | The area of the
triangle is twice the area of the rectangle. | d. | The area of the triangle is one-third the area
of the rectangle. |
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97. |
What is the relationship between the perimeters of the triangle and the
rectangle below? a. | The perimeter of the triangle is the same as the perimeter of the
rectangle. | b. | The perimeter of the triangle is less than the perimeter of the
rectangle. | c. | The perimeter of the triangle is greater than the perimeter of the
rectangle. | d. | We cannot know the relationship without measuring both
perimeters. |
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98. |
Which two figures below have the same area? a. | Figures I and II | c. | Figures II and IV | b. | Figures II and III | d. | Figures I and
IV |
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99. |
Find the perimeter of the rectangle with length 97 inches and width 17
inches.
a. | 228 in. | b. | 211 in. | c. | 1,649 in. | d. | 114
in. |
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100. |
Find the area of the rectangle with length 27 inches and width 40 inches.
a. | 67 in.2 | b. | 134 in.2 | c. | 1,080
in.2 | d. | 10,800 in.2 |
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101. |
Find the area of the parallelogram.  Not drawn to scale a. | 54 cm2 | b. | 85 cm2 | c. | 170 cm2 | d. | 27
cm2 |
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102. |
Find the area of the triangle.  Not drawn to scale a. | 91 ft2 | b. | 148 ft2 | c. | 182 ft2 | d. | 629
ft2 |
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103. |
A town plans to make a triangular park. The triangle has a base of 120 feet and
a height of 115 feet. What will the area of the park be?
a. | 13,800 ft2 | c. | 27,600 ft2 | b. | 6,900
ft2 | d. | 6,612.5
ft2 |
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Find the circumference of the circle with the given radius or diameter. Round
to the nearest unit.
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104. |
a. | 28 in. | b. | 79 in. | c. | 1,963 in. | d. | 157
in. |
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105. |
Find the radius of a circle with the circumference of 273 inches. Use 3.14 for
 . Round to the nearest tenth. a. | 43.5 in. | b. | 136.7 in. | c. | 87 in. | d. | 5,944.7
in. |
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Find the area of the circle to the nearest tenth.
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106. |
a. | 6,939.8 cm2 | b. | 73.8 cm2 | c. | 147.7 cm2 | d. | 1,734.9
cm2 |
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107. |
a. | 44 m2 | b. | 153.9 m2 | c. | 615.8 m2 | d. | 38.5
m2 |
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Find the area of the circle. Use  for  .
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108. |
r =  millimeters
a. |  square millimeters | c. |  square
millimeters | b. |  square millimeters | d. |  square
millimeters |
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109. |
r = 42 inches
a. | 5,544 square inches | c. | 132 square inches | b. | 17,424 square inches | d. | 264 square
inches |
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Find the exact area of the circle.
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110. |
a. | 2.25π in.2 | b. | 3π in.2 | c. | 9π in.2 | d. | 1.5π in.2 |
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111. |
A particular model of walkie-talkie can broadcast in a circular area. The radius
of the broadcast area is 10,000 feet. Find the area of this circle to the nearest square foot. Use
3.14 for π.
a. | 314,000,000 ft2 | c. | 1,256,000,000
ft2 | b. | 100,000,000 ft2 | d. | 62,800 ft2 |
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112. |
In a survey of 7th grade girls at Saranac Middle School the favorite
male actor was Brad Pitt. What statistical measure does this represent?
a. | mode | b. | median | c. | range | d. | mean |
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113. |
Five students competed in a free throw contest. The number of free-throws out of
10 each student made is charted below. Based on the chart below, which of the following statements is
false? a. | Amy made more free throws than Shea or Jill | b. | Mark made more free
throws than Jill | c. | Nate made the most free throws | d. | Shea made less free throws than Nate and
Amy |
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114. |
The following data shows the high temperatures for a week in May in Michigan.
What is the mean temperature for the week?
a. | 62° F | b. | 65°
F | c. | 68° F | d. | 71°
F |
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115. |
Students in 7th grade history classes are selling magazines to go on
class trips. There are 6 different history class periods that are selling magazines. The graph below
shows the number of magazines sold by students in the different class periods. How many more
magazines were sold by class period 2 than class period 4?
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116. |
Which class periods sold fewer magazines than class period 5?
a. | 1 and 3 | b. | 1 and 4 | c. | 2, 3, and 6 | d. | only
4 |
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117. |
Mr. Nowak records the average number of chin-ups done by boys and girls in his
gym class each year. The following graph shows Mr. Nowak’s data for the past 7 years. How many
more chin-ups did the average male do than the average female in 2001?
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118. |
In which of the following years was the difference between the male’s and
female’s chin-up count the least?
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119. |
What is the median name length for this class?
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120. |
How do the name lengths for this class vary?
a. | 1 to 6 | b. | 9 to 17 | c. | 4 to 1 | d. | none of
these |
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121. |
How do the foot lengths for this class vary?
a. | 1 to 3 | b. | 7 to 2 | c. | 17 to 32 | d. | 20 to
28 |
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122. |
How many students are in the class?
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123. |
What is the median foot length for this class?
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Mr. Johnson’s class of 20 students
collected 180 cans of food for the food drive.
Ms. Smith’s class of 25 students collected
200 cans of food. |
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124. |
Which class’s median number of cans of food was greater?
a. | Mr. Johnson’s | c. | The means are equal. | b. | Ms. Smith’s | d. | There isn’t enough information to
tell. |
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125. |
Which class’s mean number of cans of food was greater?
a. | Mr. Johnson’s | c. | The means are equal. | b. | Ms. Smith’s | d. | There isn’t enough information to
tell. |
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126. |
According to the graph, which country has about twice as many students choosing
hockey as the favorite sport as the United States?  a. | Russia | b. | Canada | c. | France | d. | Germany |
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127. |
Mrs. Nowak asked her students the following question: If each number in a list is increased by 4, how does the mean of the new
list compare with the mean of the old list?
Jim said:“The mean of the new list will be 4
times the mean of the old list.”
Kara said: “The
mean of the new list will be 4 points higher than the mean of the old list.”
Ron said:
“The mean of the new list will be four points lower than the mean of the old
list.”
Mae said: “There is no way to find out what
the mean of the new list would be.”
Which student
answered correctly? |
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128. |
Farmers believe that 1 inch of rain per week is recommended for optimal crop
growth. During which weeks would a farmer need to provide additional water? a. | Weeks 1 and 3 | c. | Weeks 3 and 5 | b. | Weeks 4 and 6 | d. | Weeks 1 and 5 |
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129. |
The chart below shows the number of points Justine served in her first 6
volleyball games. Which of the statements is the best prediction of the number of points she
will serve in Game 7?
a. | She will probably serve 12 points | b. | She will probably serve 2
points | c. | She will probably serve 6 points | d. | She will probably serve 4
points |
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130. |
In 1996, a sports drink company came out with a new sports drink, Refuel. The
graph below shows data on the new sports drink consumption. Which statement is a possible conclusion
for the data? a. | Consumption was greatest during the first year of introduction. | b. | Consumption was
greatest during the late 1990s. | c. | Consumption will decrease in the
mid-2000s. | d. | Consumption leveled off from 2005 to 2006. |
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131. |
If the number of students tardy in all of Mr. Mariage’s class continues to
drop at a steady rate, predict how many students will be tardy during week number 6. |
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132. |
Thirteen bowlers were asked what their score was on their last game. The scores
are shown below.
190, 150, 154, 194, 182, 190, 170, 151, 190, 170, 178, 161,
180
Find the range of the bowlers’ scores.
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133. |
A group of friends tested themselves to see how many times each person could hit
a tennis ball against the wall without missing. The results are below:  Find the range of the data set. |
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134. |
The stem-and-leaf plot shows the number of cans of food collected by various
students for a food drive. What was the greatest number of cans collected?
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135. |
What data are represented by the stem-and-leaf plot below? 3 | 5 7 8 | 4 | 3 5 7 | 5 | 6 9 | | Key: 1 | 3 means 13 | | | | |
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Find the mean of the data set. If necessary, round to the nearest
tenth.
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136. |
8, 2, 8, 2, 2, 8, 8, 8, 2, 8
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137. |
Bob’s scores on his first 4 history tests were 55, 85, 58 and 77. To the
nearest whole number, what is the mean of these scores?
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138. |
A shop owner wants to market a new vest. The vest distributor will charge a
reduced price for one size of the owner’s choice. The owner knows that the size selected should
be the mode of the sizes the shop sells. In one typical day, the shop owner sold the following sizes
of vests:
40, 41, 41, 44, 44, 37, 38, 42, 41, 39, 44, 39, 37, 44, 42
Find the mode of
the sizes?
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139. |
Mike was in charge of collecting contributions for the Food Bank. He received
contributions of $13, $34, $26, $31, and $28 from five co-workers. Find the median value of these
contributions.
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140. |
Find the median of the set of data: 18, 35, 28, 15, 19, 15, 22, 35, 35,
10
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141. |
Find the mode of the set of data: 60, 66, 73, 56, 50, 61, 75, 75, 65, 71,
75
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142. |
Lisa has a set of 10 cards, numbered 1 through 10. If she picks a card at
random, what is the probability that the card will be an 8?
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143. |
Justine has a bag with 12 blue marbles, 6 green marbles, 8 purple marbles, and 4
red marbles. If she wants the probability of picking a blue marble to be  , what should
Justine do? a. | Add 2 green, 2 purple, and 2 red marbles | b. | Add 2 blue
marbles | c. | Remove 1 green, 1 purple, and 1 red marble | d. | Add 6 blue
marbles |
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144. |
When Brendan deposits a penny in his candy machine, out comes a gumball. Inside
his gumball machine there are 6 blue gumballs, 6 red, 6 yellow, and 6 white. What are the chances he
will get a blue gumball when he deposits his penny?
a. | 1 out of 24 | b. | 1 out of 6 | c. | 1 out of 4 | d. | 1 out of
12 |
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145. |
In a survey of 100 students about their favorite pizza topping, 25 chose
pineapple. According to these results, if a student is picked at random at the school, what is the
chance that the student prefers pineapple as a pizza topping?
a. | 1 out of 5 | b. | 1 out of 4 | c. | 1 out of 2 | d. | 1 out of
6 |
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146. |
A penny is flipped and a number cube is rolled. What is the probability that the
penny lands heads up and a five is rolled?
a. | 1 out of 2 | b. | 2 out of 12 | c. | 1 out of 8 | d. | 1 out of
12 |
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147. |
Each box holds a set number of marbles. In each box, there is only one purple
marble. Without looking, you are to pick a marble out of one of the boxes. Which box would give you
the greatest chance of picking a purple marble? a. | The box with 10 marbles | c. | The box with 1000
marbles | b. | The box with 100 marbles | d. | It makes no difference |
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148. |
Ben and Lillie are going to roll a number cube one time to decide who will start
a game. Which of the following is not a fair way to decide who will go first?
a. | If the value is even Ben goes first. If the value is odd Lillie will go
first. | b. | If a 1, 4 or 6 is rolled Ben will go first. If a 2, 3, or 5 is rolled Lillie will go
first. | c. | If the number is composite Ben will go first. If the number is prime Lillie will go
first. | d. | If the number rolled is less than 3” Ben will go first. If the number rolled is
greater than 3, Lillie will go first. |
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149. |
A bag contains 5 red marbles, 4 white marbles, and 9 blue marbles. You pick a
marble without looking. Find the probability of drawing a white marble.
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150. |
A standard number cube with the numbers 1 through 6 is rolled. Find the
probability of rolling a number greater than 2.
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151. |
You mix the letters S, E, M, I, T, R, O, P, I, C, A, and L thoroughly. Without
looking, you draw one letter. Find the probability that you select a vowel. Write your answer as a
fraction in simplest form.
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Suppose you spin the spinner once. Find the probability.
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152. |
P(yellow or green)
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153. |
 The diagram shows the contents of a jar of
marbles. You select two marbles at random. One marble is drawn and not replaced. Then a second marble
is drawn. What is the probability of selecting a blue marble and then a green marble? |
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154. |
From a committee of 10 girls and 8 boys, a name is selected. Then another name
is selected. What is the probability that both people drawn will be boys?
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155. |
A coin is tossed and a standard number cube is rolled. What is the probability
that the coin shows heads and the number cube shows a number less than 2?
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156. |
If the spinner is spun twice, what is the probability that the spinner will stop
on a vowel then a consonant?  |
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157. |
What is the greatest common factor of 16 and 28?
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158. |
Which of the following is a factor of 44?
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159. |
Which number is a multiple of 15?
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160. |
How many different factors does 20 have?
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161. |
Which number is a common multiple of 7 and 4?
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162. |
Find the prime factorization of 160
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163. |
What is the least common multiple of 18 and 28?
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164. |
Which answer is always odd?
a. |  | b. | odd + odd | c. |  | d. | even + even | e. |  |
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165. |
Which string of factors below is not a factorization of 180
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166. |
What is the least number that has 2, 3, and 4 as factors?
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167. |
In which case is the first number divisible by the second? Use mental
math.
a. | 28 by 7 | c. | 43 by 9 | b. | 43 by 4 | d. | 67 by 8 |
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168. |
Test 72,238 for divisibility by 2, 5, or 10.
a. | It is divisible by 2, but not by 5 or 10. | b. | It is divisible by 5
and 10 but not by 2. | c. | It is divisible by 2, 5, and
10. | d. | It is divisible by 5, but not by 2 or 10. |
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Find the LCM of the numbers.
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169. |
4, 16
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Find the prime factorization of the number.
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170. |
168
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171. |
Which number is divisible by 5?
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172. |
Which number is divisible by 3?
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173. |
Find the missing digit to make 27,47_ divisible by 9.
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174. |
Which number is divisible by 9 and 3? |
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175. |
For which pair of numbers is the first number divisible by the second
number? | 2,447 and 5 | 2,227
and 9 | 4,366 and 10 | 1,644 and 2 | | | | |
a. | 2,447 and 5 | c. | 2,227 and 9 | b. | 4,366 and 10 | d. | 1,644 and 2 |
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176. |
Which number is divisible by 4? a. | 8,891 | b. | 9,634 | c. | 3,786 | d. | 1,272 |
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177. |
Tell which number is prime: 51, 53, 56, 57.
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178. |
The local reader’s club has a set of 28 hardback books and a set of 44
paperbacks. Each set can be divided equally among the club members. What is the greatest possible
number of club members?
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List all the factors for the number.
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179. |
60
a. | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 | c. | 1, 2, 3, 4, 7, 14, 15, 20, 30,
60 | b. | 1, 2, 4, 5, 10, 20 | d. | 1, 2, 3, 4, 5, 10 |
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180. |
Which number is composite?
43, 23, 17, 52, 67
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