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1. |
Use the distributive property to rewrite 3(5 + y) without parentheses. |
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A. |
15 + 3y |
B. |
8 + y |
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C. |
15 + y |
D. |
8 + 3y |
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Hint |
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2. |
Complete the flowchart by filling in the ovals. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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3. |
Find the equation for the flowchart. |
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A. |
- 1 = 9 |
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B. |
- 9 = 1 |
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C. |
- 9 = 1 |
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D. |
= 1 |
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Hint |
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4. |
George and a group of his friends are going to a baseball game. Tickets cost $12 apiece and a program costs $5. If George goes with 5 friends, write an expression for the total amount that George and his friends spent at the game. Use p for the number of programs bought. |
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A. |
12p+ 5 |
B. |
5p + 72 |
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C. |
5p + 12 |
D. |
12p + 72 |
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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 new students join the class. |
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B. |
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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C. |
If s is the number of sunny days, s + 3 is the number of sunny days 3 years ago. |
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D. |
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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Hint |
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6. |
Write two expressions for the total number of blocks. |
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A. |
5(n – 1), 5n – 5 |
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B. |
5(n – 5), 5n – 25 |
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C. |
5(n + 5), 5n + 25 |
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D. |
5(n + 1), 5n + 5 |
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Hint |
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