Expressions and Equations

Vocabulary

100

A combination of operations, numbers and variables (letters) with no equal sign.

Expression

200

This type of math problem has an equal sign.

Equation

300

Another word for numbers used in expressions and equations

Constant

400

Another word for the letters used in expressions and equations.

Variable

500

The number that is always paired with a letter

It is multiplied by the letter

Coefficient

Writing Equations

100

The sum of y and 85 is 123

y + 85 = 123

200

43 less than h is 25

h - 43 = 25

300

The product of c and 23 is 322

23c = 322

400

The quotient of x and 15 is 210

x/15 = 210

500

The product of a number y and 27 is 243

27y = 243

One step equations

100

20 = x + 4

16

200

x - 8 = 18

26

300

x + 5 = 9

4

400

8x = 56

7

500

x/10 = 3

30

Simplify Expressions

100

Simplify:

3(x+2)

3x + 6

200

Simplify

4 (m + 9y)

4m + 36y

300

Simplify:

9x - 3x

6x

400

Simplify:

3(20 - 2x)

60 - 6x

500

Simplify:

9 + 7x + 11 + 12x

19x + 20