18

19

24

30

Numbers that can be divided by the given number without any remainder

Numbers that can be multiplied by the given number to get a whole number

Numbers that can be divided by the given number with a remainder

Numbers that can be added to the given number to get a whole number

2 x 14, 4 x 7, 1 x 28

3 x 16, 5 x 6, 2 x 14

4 x7, 6 x 8, 1 x 28

2 x 14, 5 x 10, 3 x 16

Divide the number by all the whole numbers

Multiply the number by all the whole numbers

Write out all the factor pairs

Add the number to itself repeatedly

1, 2, 5, 10, 25, 50

2, 3, 4, 6, 7, 8

10, 15, 20, 25, 30, 35

5, 10, 15, 20, 25, 30

$$\frac{1}{5}$$  

$$\frac{2}{5}$$  

$$\frac{3}{5}$$  

$$\frac{4}{5}$$  

10y² + 2xy + 2x

6y² + 2xy + 2x

6y² + 12xy + 2x

10y² + 12xy + 2x

12x² - 4x + 1

-4x + 9xy - 10

13x - 9 - x

8y - 2x + 4y - 9x

7y² - 7xy + 9y

4b + 0.5

4b + 4.5

4b + 2

b + 2

15a+6b

21ab

5a

15a-6b