Algebraic Expressions Live

A letter that represents a number.

• Addition

• Expression

• Algebra

• Variable

A ______________ is a number multiplied by a variable. 

• term

• variable

• coefficient

• numerical expression

Evaluate 4a  if a=5

• 45

• 9

• 20

Evaluate 2n + 7 if n = 7

• 34

• 21

• 14

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

Choose the algebraic expression that matches the verbal phrase.

• A) 2x + 3

• B) x^2 - 4

• C) 5 - x

• D) 3x + 1

Tags

CCSS.6.EE.A.2A

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

The equation for the table below is y=2x+5, fill in the missing values.

c

d

e

f

3

4

7

0

9

-1

Evaluate x + 8 if x = 2

• 6

• 8

• 10

• 12

Evaluate 10 - b if b = -5

• 5

• -5

• 15

• -15