Equation

Simplification

100

3b+5b-2b

6b

200

4x+3b-x+10

3x+3b+10

300

2x-3y+x-4-y

3x-4y-4

400

7x+4x5x-20

27x-20

500

5a^2 + 3a−2a^2+4−3a+6

Note: ^2 means to the 2nd power

3a^2+10

Mix

100

In the expression which is the coefficient? 

4x+5 

4

200

Translate: The sum of 8 and a number  

8+n

300

Translate 10 added to a number halved

10+n/2

400

Calculate the width of a rectangle if the length is 6cm and area is 48cm2

w= 8cm 

500

Rearrange the formula so the width is the subject (=w):

Area = width x Length

A = w x L 

w = A / L

One step equation

100

x+5=15

x=10

200

45=x-10

x=55

300

4x=48

x=12

400

x/3=7

x=21

500

x² = 49

7

Two step equation

100

2x+3=13

x=5

200

30=4x-2

x=8

300

x/2 + 5= 25

x=40

400

18 = 5x - 7 

x = 5

500

12 = x/8 + 10 

x = 16

Brackets

100

Expand the bracket 3(x+4) using the distributive property

3x+12

200

Expand the bracket -3(x+5) 

-3x - 15

300

Expand the bracket -2(-4x-9)

8x+18

400

Expand and simplify 2(x+4)+3(x−1)

2x + 8 + 3x - 3 

5x + 5

500

Expand and simplify 5(2a+3b)−2(4a−b)

10a + 15b - 8a + 2b 

2a + 17b