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1. |
Evaluate 6 · 7 – 2p if p = 5. |
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A. |
150 |
B. |
420 |
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C. |
32 |
D. |
200 |
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Hint |
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2. |
Rewrite 16 × 0.4 + 16 × 10 using the distributive property. |
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A. |
16 + (0.4 + 10) |
B. |
16 + (0.4 × 10) |
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C. |
16(0.4 × 10) |
D. |
16(0.4 + 10) |
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Hint |
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3. |
Use the distributive property to rewrite 3(5 + y) without parentheses. |
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A. |
8 + 3y |
B. |
15 + 3y |
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C. |
15 + y |
D. |
8 + y |
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Hint |
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4. |
Using n to represent the number of blocks in each bag, write an algebraic expression for the total number of blocks. |
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A. |
3n + 3 |
B. |
3n + 4 |
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C. |
4n + 4 |
D. |
4n + 3 |
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Hint |
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5. |
Find an explanation for the expression s + 3. |
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A. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 students leave the class. |
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B. |
If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago. |
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C. |
If s is the number of sunny days, s + 3 is the number of sunny days in March, the third month of the year. |
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D. |
If s is the number of students in the classroom, s + 3 is the number of students after 3 new students join the class. |
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Hint |
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6. |
Find an explanation for the expression 5a + 3. |
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A. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the price of 8 anchovy pizzas. |
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B. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 3 anchovy pizzas with a delivery fee of $5. |
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C. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $8. |
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D. |
If a is the price of an anchovy pizza in dollars, 5a + 3 is the total cost of 5 anchovy pizzas with a delivery fee of $3. |
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Hint |
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