Adding and subtracting
First, then, now (addition)
Learn how to use first, then and now stories to understand addition.
First, then, now (subtraction)
Learn how to use first, then and now stories to understand subtraction problems.
Subtraction within 5
Find out how to subtract a one-digit number from another.
Subtraction within 10
Find out how to subtract two numbers under 10.
One more and one less to 100
Find out how to add one or subtract one from numbers to 100
Finding a part using a part-whole model
Learn how to work out a missing part of a part whole model.
What is addition?
Learn how to add two one-digit numbers together.
Fact families
Learn how you can use the same numbers to create different maths facts.
What are number bonds?
Learn about the number bonds to 10 and 20.
Add by making 10
Learn about bridging through ten, which can be a useful strategy when solving addition problems.
Addition within 20
Discover how to add two numbers under 20.
Subtraction to 20
Discover how to subtract within 20.
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.
Adding three one-digit numbers together
Learn how to add three one-digit numbers.
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