Expressions & Equations

Vocabulary

100

This type of math problem has an equal sign

Equation

200

Another word for the letters used in expressions and equations 

Variable 

300

An expression is made up of 3 things. What are they?

1. Variable

2. Operation

3. Number

400

A ________ is a set of items or number that follow a predicted rule. 

Pattern

500

What type of math where numbers and symbols are used to formulate expressions and equations. 

Algebra

One Step Equations

100

What is x?

x + 1 = 5

x = 4

200

What is x?

x - 9 = 1

x = 10

300

What is x?

6x = 66

x = 11

400

What is x?

x/4 = 5

x = 20

500

Solve

23 - x = 15

x = 8

Equations and more

100

True or False

If you multiply one side of an equation by 2, you must do the same to the other side of the equation.

True

200

What is x?

3x = 75

x = 25

300

What is x?

2x + 5 = 25

x = 10

400

5x² - 18 = 27

Which is correct?

A. x = 4

B. x = 2

C. x = 1

A. x = 4

500

What is x?

150/x = 2

x = 75

Solve the expressions

100

Solve!

x - 10, when x = 22

12

200

Solve!

2x + 9, when x = 11

31

300

Solve!

4x + 2y, when x = 8 and y = 12

56

400

Solve!

(x - 2)(y + 5), when x = 7 and y = 1

30

500

2(3x² + x + 6), when x = 4

116

Write the expression

100

A number reduced by sixteen

x - 16

200

A number multiplied by 7

7x

300

A number divided by 3

x/3

400

8 times a number, then added to 3

8x + 3

500

The sum of 7 and a number multiplied by 4

4(7 + x)