GCSE Maths Number Revision

A positive number multiplied by a negative number equals a...

• negative number

• positive number

5 - 8 + 1 =

• 4

• -4

• -2

• 3

LCM means

• London College of Music

• Low Coach Mode

• Least Common Median

• Lowest Common Multiple

Find the Highest Common Factor of 14 and 21

• 42

• 7

• 1

• 9

A prime number is

• a number that is only divisible by 1 and itself

• only ever an odd number

• a number with no factors

• the answer you get when you multiply a number by itself

 $\frac{1}{2}+\frac{2}{5}$  = 

•  $\frac{3}{7}$  

•  $\frac{3}{10}$  

•  $\frac{9}{10}$  

•  $\frac{6}{7}$  

0.43 as a percentage is

• 4.3%

• 430%

• 0.43%

• 43%

To find $\frac{3}{4}$ of 12

• Divide by 4 and multiply by three

• Divide by 3 and multiply by four