Expressions Review

Two Step Expressions

100

Simplify: 3x+5=11. What is x?

x = 2

200

Solve: 2x - y = 9

x = 8

300

Graph the solution to x+3 ≤ 7.

x ≤ 4 closed circle on 4 going to the left

400

Write and solve: Sarah has $5 and earns $3 per hour. After 4 hours, how much money does she have?

3x + 5 = y

3 (4) + 5 = 17

500

Solve for x: 4x - 2 = 2x + 10

x = 6

One Step Expressions

100

Solve: x + 8 = 12

x = 4

200

Solve: 5x = 20

x = 4

300

Write an inequality for: "The number of apples, a, must be more than 6."

x > 6

400

Graph x ≥ 2

closed circle at 2 going to the right

500

Solve for x: 30/x = 10

x = 3

Writing and Solving Expressions

100

Write an expression for "3 times a number plus 7."

3x + 7

200

Write an expression for "double a number decreased by 5."

2x - 5

300

Simplify: 6x + 3 - 2x + 8

4x + 12

400

Simplify: 2x - x + 5 + 3x

4x + 5

500

Write an expression for: "Sam has $10 more than twice the amount of money John has."

2x + 10; x represents John's money

Advanced Order of Operations

100

Solve: 3 + 4 x 2

11

200

Solve: (8-3) x 2

10

300

Solve: 2³+4×(3+1) 

24

400

Solve: (6+4) ÷ 2² + ∣3−8∣ 

6

500

Solve: (12 ÷ 4) + (3² - 7) x 2

7

Functions

100

Complete the table for the function y = x + 3

x: 1, 2, 3

y: 

y = 4,5,6

200

Write the function rule for this table: 

x: 1, 2, 3

y: 2, 4, 6

y = 2x

300

Create a graph for y = 2x - 1 with x= 0,1,2

Points (0,-1), (1,1), (2,3)

400

Complete the table for y = 3x +2

x: -1,0,1

y: 

y = -1,2,5

500

Write a function rule based on this table:

x: 1,2,3

y:5,8,11

y=3x+2