Professor Ruth Merttens gives strategies for helping Key Stage 1 children approach subtraction.
If children in Key Stage 1 are struggling with subtraction, especially when we get to harder subtractions, it's worth thinking about how the children conceptualise it.
Subtraction is two concepts:
Ruth discusses these two concepts and strategies, as each is appropriate for different calculations.
Explore a wealth of resources to help you teach subtraction in Year 1 and Year 2, including PowerPoints, group activities, worksheets, and subtraction problems for mastery.
Subtraction for Year 1
Subtraction for Year 2