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Number and algebra

  • The Number System and Place Value
  • Calculations and Numerical Methods
  • Fractions, Decimals, Percentages, Ratio and Proportion
  • Properties of Numbers
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Geometry and measure

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Probability and statistics

  • Handling, Processing and Representing Data
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Working mathematically

  • Thinking mathematically
  • Developing positive attitudes
  • Cross-curricular contexts

Advanced mathematics

  • Decision Mathematics and Combinatorics
  • Advanced Probability and Statistics
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For younger learners

  • Early Years Foundation Stage

Number Teasers

Number Teasers

At the start of a new term, we hope you're ready for some puzzling number problems. You'll need to make sense of them by exploring, predicting and explaining.
We're looking forward to receiving your solutions!

Making a Difference 
Age 11 to 14
Challenge Level Yellow star

How many different differences can you make?

Beach Huts 
Age 11 to 14
Challenge Level Yellow star

Can you figure out how sequences of beach huts are generated?

Reversals 
Age 11 to 14
Challenge Level Yellow starYellow star

Where should you start, if you want to finish back where you started?

Puzzling Place Value 
Age 14 to 16
Challenge Level Yellow starYellow star

Can you explain what is going on in these puzzling number tricks?

Related

  • How Numbers Behave
  • Addicted to Addition

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Patterns in Number Sequences

These resources are designed to get you thinking about number sequences and patterns.

Reasoning Geometrically

These resources are designed to get you thinking about geometrical reasoning.

Reasoning with Numbers

These resources are designed to get you thinking about reasoning with numbers.

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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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