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1. |
In the expression, 12 · z, the letter z is called the _____ because it stands for an unknown number. |
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A. |
product |
B. |
numerical expression |
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C. |
variable |
D. |
algebraic expression |
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Hint |
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2. |
Write an equation for the sentence ''the product of 6 and x is equal to the sum of c and d.'' |
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A. |
6x = d |
B. |
6 + x = c + d |
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C. |
6x + c + d |
D. |
6x = c + d |
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Hint |
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3. |
Write a sentence for the equation 11 +  = 16. |
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A. |
The product of x and 2 increased by 11 is equivalent to 16. |
B. |
The quotient of x and 2 decreased by 11 is equivalent to 16. |
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C. |
The product of eleven and x divided by 2 is equal to 16. |
D. |
Eleven added to x divided by 2 is equal to 16. |
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Hint |
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4. |
Find the value of the expression 15 + 4 · 3. |
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A. |
27 |
B. |
180 |
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C. |
57 |
D. |
22 |
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Hint |
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5. |
Name the property of equality shown by the statement: If 2 + 10 = 12 and 12 = 3(4), then 2 + 10 = 3(4). |
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A. |
Reflexive Property of Equality |
B. |
Additive Property of Equality |
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C. |
Symmetric Property of Equality |
D. |
Transitive Property of Equality |
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Hint |
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6. |
Name the property of equality shown by the statement: If c = 4,
then 3c = 3(4). |
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A. |
Substitution Property of Equality |
B. |
Symmetric Property of Equality |
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C. |
Transitive Property of Equality |
D. |
Reflexive Property of Equality |
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Hint |
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7. |
A long-distance telephone service charges $5.00 per month for the service and then either $0.10 per minute or $0.05 per minute depending upon the time of day. Suppose during one month, you make one 15-minute and one 40-minute call at the $0.10 per minute rate and one 65-minute and one 90-minute call at the $0.05 rate. What will be the total charge for that month? |
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A. |
$18.25 |
B. |
$26 |
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C. |
$13.25 |
D. |
$15.50 |
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Hint |
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8. |
Which mathematical statement is not an example of the Distributive Property? |
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A. |
3(2 + 8) = 3 · 2 + 3 · 8 |
B. |
3 · (4 · 9) = (9 · 4) · 3 |
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C. |
6(10 - 3) = (6 · 10) - (6 · 3) |
D. |
xy + 2x = x(y +2) |
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Hint |
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9. |
Simplify the expression 3(5x + 9 - 4x). |
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A. |
27x + 27 |
B. |
30x |
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C. |
3x + 27 |
D. |
13x |
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Hint |
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10. |
What is the value of 4x increased by the quantity x + 5 if x is equivalent to 10? |
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A. |
100x |
B. |
55x |
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C. |
100 |
D. |
55 |
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Hint |
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11. |
Two pairs of shoes cost $90.98. One pair costs $19 more than the other pair. What is the cost of the more expensive pair of shoes? |
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A. |
$71.98 |
B. |
$45.49 |
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C. |
$35.99 |
D. |
$54.99 |
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Hint |
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12. |
The frequency table shows the number of children of various ages at a day-camp. How many children are 10 years old or younger? |
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A. |
62 |
B. |
37 |
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C. |
19 |
D. |
25 |
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Hint |
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13. |
Which value occurred most often? |
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A. |
89 |
B. |
98 |
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C. |
95 |
D. |
75 |
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Hint |
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14. |
Write a verbal expression for 7n + 12 – 3. |
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A. |
seven times three plus a number minus twelve |
B. |
seven times a number plus twelve minus three |
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C. |
three plus seven times a number times twelve plus eight |
D. |
three times a number plus seven minus twelve |
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Hint |
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15. |
Name the property of numbers shown by the statement:
2 + 0 = 0 + 2 = 2. |
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A. |
Reflexive Property |
B. |
Multiplicative Identity |
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C. |
Multiplicative Property of Zero |
D. |
Additive Identity |
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Hint |
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16. |
Name the property shown by the statement (4 · 3) · 2 = 4 · (3 · 2). |
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A. |
Commutative Property of Addition |
B. |
Associative Property of Multiplication |
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C. |
Closure Property of Whole Numbers |
D. |
Associative Property of Addition |
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Hint |
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17. |
Name the property shown by the statement: If 3 and 6 are whole numbers and 3 · 6 = 18, then 18 is a whole number. |
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A. |
Closure Property of Whole Numbers |
B. |
Associative Property of Multiplication |
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C. |
Commutative Property of Addition |
D. |
Commutative Property of Whole Numbers |
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Hint |
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18. |
Simplify the expression 6 · (3x · 4 · 2x). |
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A. |
144x2 |
B. |
12 + 6x |
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C. |
18x2 + 3 |
D. |
72x2 |
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Hint |
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19. |
Which value for j solves the equation 3j – 2 = 4? |
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A. |
j = 2 |
B. |
j = 4 |
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C. |
j = 1 |
D. |
j = 3 |
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Hint |
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20. |
Opal wants to be a professional baseball player. She decides to start going to a batting cage to practice. On the first day, Friday, she hits 61% of the balls that are pitched to her. On Saturday she hits 64%, and on Sunday she hits 67%. If she continues to improve at this rate for the next three days, what percent will she hit on Wednesday? |
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A. |
0.71 |
B. |
0.75 |
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C. |
0.73 |
D. |
0.76 |
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Hint |
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