Algebraic and Numeric Expressions

What is the value of 7³?

• 243

• 343

• 300

• 21

What is the coefficient in the following expression: 21x²

• 21

• x

• 2

• 12

Sarah has 6 more than 3 times as many strawberries as Juan.

What expression that matches the situation?

• 6 + 3x

• 3x

• 6 + 3

Sarah has 6 more than 3 times as many strawberries as Juan.

What does the variable mean in this situation? Look above for the expression you choose.

• It means 21

• The amount of strawberries that Sarah and Juan have.

• The amount of strawberries that Juan has.

• The amount of strawberries that Sarah has.

Sarah has 6 more than 3 times as many strawberries as Juan.

If Juan has 10 strawberries, how many does Sarah have?

• 12

• 16

• 46

• 36

What is 5 less than the product of 6 and s?

• 6s - 5
• 5 - 6s
• 5 + 6 - s
• 6 - s -5

a number cubed plus 8

• n ∙ 4 + 8
• n² + 8
• n³ + 8
• n + n + n + 8

eight plus triple the number of shirts
Let s = number of shirts

• 8 + 3s
• 8 + s
• 3s - 8

Write the expression. 
The cost of 3 CDs and a $10 DVD

• 3 + c + 10 + d
• 3c + 10
• 3c - 10 - d
• 3 + c - 10 

Simplify the expression:
8(5 + w)

• 40 + w
• 40+8w
• 85 + 8w
• 13+8w