Year 7 Equations Review

Lucky dip

100

What's is the Inverse Operation of Subtraction?

Addition

200

Calculate

7+(-2)x5

-3

300

Calculate

6-4x(7-9)-14

0

400

What is the Inverse Operation of Multiplication

Division

500

What does the word inverse mean?

Opposite or to undo something

Addition Equations

100

Solve: 

x+10=15

x=5

200

Solve 13+a=24

a=11

300

3.5+b=6.1

b=2.6

400

c+56=200

c=144

500

What are the steps for solving equations by Subtracting

adding

Equations with Subtraction

100

j-34=20

j = 54

200

h - 46=898

h=944

300

n-6.2=15.1

n=21.3

400

15-y=-2

y=-17

500

What are the steps for solving equations by Adding

subtracting

Equations with division

100

Solve:

r/3=20

r=60

200

Solve:

t/6=-5

t=-30

300

Solve:

(3s)/4=6

s=8

400

Solve:

(5x)/2=-10

x=-5

500

What are the steps for solving equations by Multiplying

dividing

Equations with multiplication

100

7h=14

h=2

200

4x=-28

x=-7

300

-3y=57

y=-19

400

5c=500

c=100

500

What are the steps for solving equations by Dividing

Multiplying