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'Gift Stacks' printed from https://nrich.maths.org/
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.