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Counting in tens - decade numbers

Year 1 • Maths
We've put the lessons in order helping you build on what you've learned before so it’s best to start with the first lesson of a unit.

Choose a lesson (5)

1
Counting forwards and backwards in 10s to 50
2
Counting forwards and backwards in 10s to 100
3
Composition of decade numbers to 100: making groups of 10
4
Count groups of 10 in decade numbers
5
Order and compare decade numbers on number tracks