Equations!!!

Vocabulary

100

A letter used to represent an unknown number

What is a variable?

200

The value for the variable that makes the equation true.

What is the solution?

300

Opposite operations that undo each other.

What are inverse operations?

400

To get the variable completely alone on one side of the equation.

What is isolate?

500

The number attached to the variable that shows multiplication.

What is a coefficient?

Multiplication & Addition

100

3k = 18

What is k=6 ?

200

a + 11 = 35

What is a= 24?

300

2r + 39 = 65

What is 13 ?

400

12s + 27 = 171

What is 12 ?

500

19b + 314 = 1663

What is 71 ?

Multiplication & Subtraction

100

3a =9

What is a=3?

200

m - 7 = 23

What is 30?

300

6k - 5 = 43

What is 8 ?

400

4j - 71 = 29

What is 25 ?

500

21q - 39 = 234

What is 13 ?

Division & Addition

100

m/5  = 8

What is 40 ?

200

y/8  = 3

What is 24 ?

300

k/8 + 21 = 97

What is 608 ?

400

g/11 + 37 = 128

What is 1188 ?

500

w/317 + 596 = 1,639

What is 330,631?

Division & Subtraction

100

z - 8 = 2

What is 10?

200

y - 15 = 15

What is 30 ?

300

z/6 - 14 = 3

What is 102 ?

400

y/9 - 18 = 52

What is 630 ?

500

d/10 - 83 = 64

What is 1470 ?