Expressions and Equations

Vocabulary

100

This type of math problem has numbers, operations and no equal sign.

Expression

200

This type of math problem has numbers, operations and an equal sign.

Equation

300

the number before the variable

Coefficient

400

The letters that standard for a number in expressions and equations.

Variable

500

addition:Subtraction   Multiplication:Division

Inverse Operations

Writing Expressions and Equations

100

the product of c and 23 is 322

23c=322

200

the quotient of a number and 4.

n/4

300

A number x divided by 3 is 7

x/3=7

400

The difference of twice p and 9.

What is 2p - 9?

500

The sum of t squared and the product of 4 and x

t² + 4x

Expressions

100

If x=4,

(5x)/2

What is 10

200

If x=5

3x²

What is 75

300

Evaluate 3(x - 10) for x = 17

21

400

Evaluate 2(y - 6) for   and y = 12

12

500

if a=2 and b=5

2a + 8 - 6a + 12b 

60

One step equations

100

x/10 = 3

x=30

200

8x = -64

x=-8

300

x + 1.5 = 8.4

x=6.9

400

x - 8 = -10

x=-2

500

20=2/5x

x=50

Mixed Review

100

x-5=-29

x=-24

200

In the equation, 4m + 2 = 8, these are the terms.

What are 4m 2, and 8?

300

-5e = -40

e=8

400

solve

54 = -9x

-6

500

Solve: 

-3x = -18

6