The result of subtracting one number from another is the difference.

In money, change is the difference between the amount of money you use to pay and the value of what you are buying.

Number bonds are pairs of numbers which sum together to make another number.

Use knowledge of subtraction to calculate change when paying with whole pounds or notes

Maths

In this unit pupils will explain represent and compare whole pounds and pence.  They will convert quantities of money between pounds and pence using the most efficient and reliable strategy to find the change. In the future unit pupils will carry out conversions that correspond to 100 parts and solve measures problems involving different units.

In the prior unit pupils calculated with decimal numbers using column addition and subtraction. In this unit pupils will explain represent and compare whole pounds and pence . They will convert quantities of money between pounds and pence using the most efficient and reliable strategy to find the change.

Money: apply efficient strategies when calculating with money

A banana costs 45 p . How much change will I get from £1? Give your answer using the correct unit.

A book costs £3.60. How much change will I get from £5? 

My shopping comes to £7.38. I give the shopkeeper a £10 note. How much change do I receive? 

The total of my shopping is £13.84. I give the shopkeeper a £20 note. How much change do I receive? 

I have £5 to spend in the shop. I buy a drink for 99 p and a sandwich for £3.25. How much change do I get? {{  }} p

Match the money amounts with how much change you would get from a £10 note when buying them. 

What is the number bond that goes with 30 to make 100? 

Tick all of the options where the sum is 100

£1.35 p + 49 p = £1.34 p + 50 p is an example of which strategy? 

pairs of numbers which sum together to make another number

the result of subtracting one number from another

the difference between the value and the money used to pay

Match the word with the correct definition. 

This lesson will soon be taken down.

Use knowledge of subtraction to calculate change when paying with whole pounds or notes

Lesson outcome