Understanding maths operations

You walk 1800 metres in 3 hours. To work out how many metres you walk in 1 hour you...

• Divide 3 by 1800

• Divide 1800 by 3

• Multiply 1800 by 3

• Multiply 3 by 1800

Answer explanation

You have to find out how many meters in one hour

A bus travels at an average speed of 58 mph for 4 hours. To work out the number of miles that the bus travels you ...

• We add 58 plus 4

• We divide 58 by 4

• Multiply 58 by 4

• We divide 4 by 58

Answer explanation

For every hour the bus travels 58km

The bus travels 4 hours

You have a list of prices: pens 6 for 82p

To work out the cost of one pen you ...

• Multiply 6 by 82

• Add 6 plus 82

• Divide 6 by 82

• Divide 82 by 6

Answer explanation

Divide the cost of 82 pence between 6 pens

What is the name of the shape?

• Square

• Octagon

• Hexagon

• Pentagon

Answer explanation

It’s an irregular hexagon, that means the sides are different not equal. There are regular polygons too )their sides are all equal)

You need to complete the following operation:

42.5 + _ = 100

To find the missing number you...

• Divide 100 by 42.5

• Subtract 100 from 42.5

• Add 42.5 plus 100

• Subtract 42.5 from 100

Answer explanation

Work backwards with the opposite operations

100-42.5=

You want to book a holiday. The holiday cost £428. You pay a deposit of £100. You have to pay the rest in two equal instalments. How do you work out 'the rest'?

• You divide £428 by £100

• You subtract £100 from £428

• You add £428 plus £100

• You multiply £428 times £100

The list price of 10 pencils is £3.20. How much is for 30 pencils?

• 10 x 30

• £3.20 x 30

• £3.20 x 10

• £3.20 x 3

Answer explanation

3x10=30 pencils

So 3x £3.20

8 apples were sold

6 oranges were sold

More apples than oranges were sold. How many more?

• 6

• 2

• 8

• 14

Answer explanation

Work out the difference (take away)