Definitions
Like terms
HCF
Expanding
Factorising
100

Variables/constants in an expression separated by addition/subtraction

What is a term?

100

5x+8x-3y

What is 13x-13y

100

HCF of 12 and 6

What is 6 
100

5(x+12)

What is 5x+60

100

3t+15

What is 3(t+5)

200

A constant that multiplies a variable

What is a coefficient?

200

9a+18a-3a+7b-2b2

What is 24a-2b2+7b

200

HCF of 105 and 35

What is 7 

200

3m(5m+7n)

What is 15m2+21mn

200

9p+3

What is 3(3p+1) 

300

Variables/constants that can be combined by addition or subtraction

"like-terms"

300

8m2-12m+m2+8m+5

What is 9m2-4m+5

300

HCF of 13 and 25

What is 1

300

-f(f-y)

What is -f2+fy

300

24+10y

What is 2(12+5y)

400

The largest number that divides two other numbers

Highest common factor

400

4x+2a+3x+2a2-3ax

What is 2a2+2a-3ax+7x

400

HCF of 63 and 15

What is 3

400

7x - 3(x-2)

What is 4x+6

400

-8ab-16

What is -8(ab+16)

500
When two or more expressions are made equal.

Equation

500

b2+3a-b2+10a+b2-3a-b2-10a

What is 0

500

HCF of 0 and 13

What is 0

500

5x - 3(5x-3)

What is -10x+9

500

-12ab+16b

4a(-3b+4b)