Adding and subtracting
What is addition?
Learn how to add two one-digit numbers together.
Addition within 20
Discover how to add two numbers under 20.
What is subtraction?
Find out how to subtract a one-digit number from another.
Taking away within 10
Find out how to subtract two numbers under 10.
Adding and subtracting within 10
Understand how to add and subtract two one-digit numbers.
Addition and subtraction using part-whole model
How to add and subtract using a part-whole model.
Find a part using a part-whole model
Learn how to work out a missing part of a part whole model.
What are number bonds?
Learn about the number bonds of 10 and 20.
Fact families
Learn how you can use the same numbers to create different maths facts.
Adding two-digit numbers
Learn how to add a two-digit number to another.
Subtracting two-digit numbers
Learn how to subtract a two-digit number from another.