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Number and algebra

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Advanced mathematics

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For younger learners

  • Early Years Foundation Stage

Algebra

Diagonal Sums

Age 7 to 14
Challenge Level Yellow starYellow star

In this 100 square, look at the green square which contains the numbers 2, 3, 12 and 13. What is the sum of the numbers that are diagonally opposite each other? What do you notice?

Price Match

Age 7 to 11
Challenge Level Yellow starYellow star

Can you find pairs of differently sized windows that cost the same?

Different Deductions

Age 7 to 11
Challenge Level Yellow starYellow star

There are lots of different methods to find out what the shapes are worth - how many can you find?

Two and Two

Age 11 to 16
Challenge Level Yellow starYellow starYellow star

How many solutions can you find to this sum? Each of the different letters stands for a different number.

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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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