Relate adding/subtracting using facts - Problem-Solving Investigation - Year 1

Year 1 Addition and Subtraction: Learn number facts, use these to relate addition and subtraction.

This in-depth maths investigation will develop maths meta-skills, and enable children to learn to think mathematically and articulate mathematical ideas.

In-depth Investigation: Pyramid Sums
Children place three numbers in the bottom row of an addition pyramid, investigating the totals found at the top.

This problem-solving investigation is part of our Year 1 Addition and Subtraction block. Each Hamilton maths block contains a complete set of planning and resources to teach a term’s worth of objectives for one of the National Curriculum for England’s maths areas.