Male passenger, dark hair, dark jacket, red Lee Cooper top: How much I owe you?
Driver, dark hair, black suit and tie, white shirt: That will be £7 please.
Driver, dark hair, black suit and tie, white shirt: 10.
Driver, dark hair, black suit and tie, white shirt: There you go £3 change, thank you.
Driver, dark hair, black suit and tie, white shirt: Thank you very much sir.
Male, dark hair, dark shirt: If I applied for a job and the pay was £250 after tax and my rent was £100 I would subtract £100 from £250 which would leave me with £150.
Female, blue crochet hat, grey coat: I have six grandchildren under the age of 10 so I give them £5 every month of my pension.
So that's five sixes are 30.
Number lines are a great way to visualise addition and subtraction on paper.
Quick tips for tutors
Number lines include:
- Recognising that number lines may be empty or numbered and that the numbering may be continuous or go up in simple multiples
- Recognising that number lines may be used to add and subtract
- Finding the difference by counting on and counting back
- Matching calculations to diagrams of number lines
- Using a number line to add and subtract whole numbers, and decimals including money
- Finding the difference between positive and negative numbers
- Carrying out time calculations
- Recognising number lines may be marked with fractions or decimal numbers
- Using double number lines to do conversions and find equivalents between fractions, decimals and percentages
- Recognising that number lines can also be used for multiplication by repeated addition or division by repeated subtraction
Downloadable Factsheets
Entry 1 & 2 - Subtracting numbers using number lines
An introduction to subtracting numbers using number lines.
Entry 3 - Types of number line
An introduction to number lines and the different types.
Entry 3 - Using a number line 1
How to use a number line to add and subtract by counting on or back.
Level 1 - Using a number line 2
How to use a number line to add, subtract, multiply and divide
Level 1 - Further uses
How to use number lines to find the difference between positive and negative numbers.
Downloadable Worksheets
Entry 1 & 2 - Number line addition
An activity in using number lines to answer questions on addition.
Entry 3 - Find the difference
Questions to help you practise finding the difference between numbers and improve your numeracy skills.
Level 1 - Using a double number line
Questions to help you practise using double number lines to improve your numeracy skills.
Level 1 - Time calculations
Time calculation questions to help improve every day numeracy skills.
Level 2 - Find the difference
Practise using a vertical number line to find the difference between positive and negative numbers.
