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Number and algebra

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For younger learners

  • Early Years Foundation Stage

Gift Stacks

Age 7 to 11
Challenge Level Yellow star
  • Problem
  • Getting Started
  • Student Solutions
  • Teachers' Resources

Why do this problem?

This problem encourages learners to apply their knowledge of number operations using trial and improvement. It could also be used to introduce algebraic notation to older children.

Key questions

What could you try to start with?
Have you checked it fits all the information?
What could we try next?

Possible support

Using blocks or counters to represent gifts will help pupils to try out their ideas.


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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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