Year 7 Maths Whole Number Revision

Multiples & LCM

100

The first five multiples of 7.

7, 14, 21, 28, 35

200

The LCM of 3 and 4.

12

300

The LCM of 6 and 8.

24

400

The first four multiples of 15 and 20.

15, 30, 45, 60

20, 40, 60, 80

500

The LCM of 24 and 30.

120

Factors & HCF

100

Factors of 27.

1, 3, 9, 27

200

Factors of 36.

1, 2, 3, 4, 6, 9, 12, 18, 36

300

The HCF of 27 and 36.

9

400

The HCF of 15 and 45.

15

500

This type of number has an odd number of factors.

Square number.

Primes & Composites

100

This single-digit square number is neither a prime nor a composite.

1

200

This is the first prime number.

2

300

This type of number has exactly two factors.

Prime number

400

This type of number has more than two factors.

Composite number

500

A prime number between 90 and 100.

97

Squares & Square Roots

100

The square root of 64.

8

200

9 squared.

81

300

5 squared in expanded form.

5 x 5

400

25²

625

500

The square root of 900.

30

Integers

100

Numbers less than zero.

Negative numbers.

200

6-(-7)=

₁₃

300

-12+(-3)=

-15

400

-10+7=

-3

500

5+(-3)x4-3+10=

0