Exponents and Expressions Review

What is an exponent?

• Repeated addition.

• Repeated subtraction.

• Repeated multiplication.

• Repeated division.

 $10^2$ 

What number represents the base?  

• 2

• 10

 $7^3$  
What number represents the exponent?

• 3

• 7

 $2^5$  

What is this exponent's expanded form?

• 2 x 5

• 2 x 2 x 2 x 2 x 2

• 5 x 2

• 5 x 5

 $3^2+5^2$  
What is the value of the exponents above?

• 16

• 25

• 34

• 40

What is an expression?

• Repeated multiplication, exponents, and unknown numbers

• A combination of numbers, variables, and mathematical operations (addition, subtraction, multiplication, and division).

Tags

CCSS.6.EE.A.2B

The quotient of 9 and t

What expression represents the word phrase above?

• t $\div$  9

• 9 $\div$  t 

Tags

CCSS.6.EE.A.2A

The product of 2 and the sum of 8 and y

Which expression represents the word phrase above?

• 2(8+y)

• 2 x 8 x y

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Which expression represents the phrase?

"20 decreased by the sum of 6 and b."

• (20 + 6) – b

• (20 – 6) + b

• 20 + (6 – b)

• 20 – (6 + b)

Tags

CCSS.6.EE.A.2A

Which expression represents the phrase?

"The product of 5 and r, and then increased by k."

• 5r – k

• 5r + k

• k – 5r

• $\frac{5r}{k}$

Tags

CCSS.6.EE.A.2A