Expressions and Equations Review

In an expression or equation we use the ​ (a)   property to multiply a number into a set of parenthesis.

• distributive

• multiplicative

• inverse

• divisive

• parenthesis

Tags

CCSS.3.OA.B.5

Use the distributive property to expand 2(3x + 4).

• 6x + 4

• 3x + 8

• 6x + 8

• 3x + 12

Tags

CCSS.6.EE.A.3

Solve: 3x = 21.

• 5

• 6

• 7

• 8

Tags

CCSS.6.EE.B.7

The value of x that makes 7x = 35 true is (a)  

• 4

• 5

• 6

• 7

Tags

CCSS.6.EE.B.5

Match the following expressions with their simplified forms.

• 5(2x + 1)

• 10x + 2

• 2(5x + 1)

• 5x + 5

• 5(2 + x)

• 10 + 5x

• 5(x + 1)

• 10x + 5

Tags

CCSS.7.EE.A.1

Fill in the blank: The solution to the equation x + 5 = 12 is ____.

• 6

• 7

• 8

• 9

Tags

CCSS.6.EE.B.7

Expand and simplify: 4(x + 3) + 2x.

• 4x + 6

• 4x + 12

• 6x + 12

• 6x + 6

Tags

CCSS.6.EE.A.3

Factor the expression 9m + 27n. What is the correct factorization with the GCF?

• 3(m + 9n)

• 9(m + 3n)

• 27(m + n)

• 3(m + 27n)

Tags

CCSS.7.EE.A.1

Simplify the expression by combining like terms: 3x + 4x. Fill in the blank: The simplified expression is ____.

• 3x

• 4x

• 7x

• 12x

Tags

CCSS.7.EE.A.1

Write an expression for the number of sixth graders in a school with s students, if 1/6 are in 6th grade.

• s × 6

• 6 ÷ s

• 6s

Tags

CCSS.6.EE.B.6