Unit 5 Review

Unit 5 Review

Exponents

I can write and evaluate numerical expressions involving whole number exponents.

Multiple Choice

 $5^3$  

• 5x5x5

• 5x5x5x5

• 5x3

• 3x3x3x3x3

Multiple Choice

 $18^1$  

• 18

• 18x1

• 1x18

• 18x18

Multiple Choice

 $\left(\frac{1}{2}\right)^2$  

•  $\frac{1}{2}\ x\ \frac{1}{2}$  

•  $\frac{1}{2}\ x\ 2$  
  

•  $\frac{1}{2}\ x\ \frac{1}{2}\ x\ \frac{1}{2}\ x\ \frac{1}{2}$  

• 1

Multiple Choice

 $0.2^3$  

• 0.2 x 0.2 x 0.2

• 0.2 x 0.2 x 0.2 x 0.2

• 0.2 x 3

• 0.2 x 0.2

Multiple Choice

 $14^2$  

• 196

• 28

Multiple Choice

 $4^3$    

• 64

• 12

Multiple Choice

 $\left(\frac{1}{2}\right)^2$  

•  $\frac{1}{4}$  

• 1

Numerical Expressions

I can use the order of operations to solve numerical expressions.

Variables

I can write expressions in which letters stand for numbers.

Multiple Select

Choose all of the words that mean addition.

• more than

• sum

• increased by

• product

• each

Multiple Select

Choose all of the words that mean multiplication.

• multiplied by

• combined with

• into groups

• product

• each

Multiple Select

Choose all of the words that mean division.

• groups of

• shared by

• into groups

• separated into

• decreased by

Multiple Select

Choose all of the words that mean subtraction.

• less than

• shared by

• minus

• quotient

• decreased by

Multiple Select

Choose all of the words that mean to flip the subtraction problem around.

• subtracted from

• fewer than

• minus

• less than

• decreased by

Evaluate Expressions

I can evaluate expressions using the substitution method.

Properties of Operations

I can apply properties of operations.

Multiple Choice

 $3\times4\times5b\ =\ 3\times5b\times4$  

Which of the following properties is being used?

• commutative

• associative

• distributive

• identity

• zero

Multiple Choice

 $\left(3\times4\right)\times5b\ =\ 3\times\left(4\times5b\right)$  

Which of the following properties is being used?

• commutative

• associative

• distributive

• identity

• zero

Multiple Choice

 $3\left(2+5n\right)=3\times2+3\times5n$  

Which of the following properties is being used?

• commutative

• associative

• distributive

• identity

• zero

Multiple Choice

 $3\times1=3$  

Which of the following properties is being used?

• commutative

• associative

• distributive

• identity

• zero

Multiple Choice

 $3\times0=0$  

Which of the following properties is being used?

• commutative

• associative

• distributive

• identity

• zero

Equivalent Expressions

I can identify when two expressions are equivalent.

Multiple Choice

 $\left(x+10\right)+x+9$  

and 

 $2\left(x+7\right)+5$  

• equivalent

• not equivalent

Multiple Choice

 $3x+2x+x$  

and 

 $7x$  

• equivalent

• not equivalent

Multiple Choice

Simplify the following expression
 $4x^2+6x+8+x+2$  

•  $4x^2+6x+10$  

•  $10x+10$  

•  $20x^2$