Equivalent Expressions with Variables and Numbers

a symbol, usually a letter, used to represent a number

• power

• exponent

• base

• variable

Tags

CCSS.6.EE.A.2B

• perfect square

• algebraic expressions

• equivalent expressions

• numerical expressions

Tags

CCSS.6.EE.A.2C

Which of the following is equivalent to 5(2x + 6)?

• 10x + 30

• 10x + 6

• 40x

• 2x + 30

Tags

CCSS.6.EE.A.3

Simplify 5(2 - 7n)

• 52 - 57n

• 10 - 7n

• 10 - 35n

• 10 + 35n

Tags

CCSS.6.EE.A.3

Simplify   6(x + -2)

• 6x + -2

• 6x + -12

• 4x

• 6x - 2

Tags

CCSS.6.EE.A.3

Simplify the expression: 7+3(1 - 2x) 

• 21 - 6x

• 10 - 2x

• 10 - 20x

• 10 - 6x

Tags

CCSS.6.EE.A.3

6w - 6w + 6w + 9w

• w

• 15w

• 9w

• 6w

Tags

CCSS.7.EE.A.1

Add these expressions
(x+5) + (2x+10)

• 3x+15

• x-5

• 18x

Tags

CCSS.HSA.APR.A.1

Evaluate 8a - b     if a = 10   and   b = 6

• 74

• 38

• 1000

• 9000

Tags

CCSS.6.EE.A.2C

Evaluate 2r + 1      if   r = 3

• 6

• 5

• 7

• 8

Tags

CCSS.6.EE.A.2C