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Number and algebra

  • The Number System and Place Value
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Probability and statistics

  • Handling, Processing and Representing Data
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Working mathematically

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Advanced mathematics

  • Decision Mathematics and Combinatorics
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For younger learners

  • Early Years Foundation Stage

Being Resilient - Primary All Resources

Robot Monsters

Age 5 to 7
Challenge Level Yellow star

Use these head, body and leg pieces to make Robot Monsters which are different heights.

Inside Triangles

Age 5 to 7
Challenge Level Yellow star

How many different triangles can you draw on the dotty grid which each have one dot in the middle?

Find the Difference

Age 5 to 7
Challenge Level Yellow starYellow star

Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.

Mixed-up Socks

Age 5 to 7
Challenge Level Yellow starYellow star

Start with three pairs of socks. Now mix them up so that no mismatched pair is the same as another mismatched pair. Is there more than one way to do it?

Four Triangles Puzzle

Age 5 to 11
Challenge Level Yellow star

Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?

Rolling That Cube

Age 5 to 11
Challenge Level Yellow star

My dice has inky marks on each face. Can you find the route it has taken? What does each face look like?

Developing Students' Resilience

Age 5 to 18

Resources to accompany the Being Resilience collections.

Which Scripts?

Age 7 to 11
Challenge Level Yellow star

There are six numbers written in five different scripts. Can you sort out which is which?

Dicey Perimeter, Dicey Area

Age 7 to 11
Challenge Level Yellow star

In this game for two players, you throw two dice and find the product. How many shapes can you draw on the grid which have that area or perimeter?

How Many Times?

Age 7 to 11
Challenge Level Yellow star

On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?

Nine-pin Triangles

Age 7 to 11
Challenge Level Yellow star

How many different triangles can you make on a circular pegboard that has nine pegs?

Make 37

Age 7 to 11
Challenge Level Yellow starYellow star

Four bags contain a large number of 1s, 3s, 5s and 7s. Can you pick any ten numbers from the bags so that their total is 37?

Reach 100

Age 7 to 11
Challenge Level Yellow starYellow star

Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.

Maze 100

Age 7 to 11
Challenge Level Yellow starYellow star

Can you go through this maze so that the numbers you pass add to exactly 100?

Estimating Angles

Age 7 to 14
Challenge Level Yellow star

How good are you at estimating angles?

Got It

Age 7 to 14
Challenge Level Yellow starYellow star

A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.

Number Lines in Disguise

Age 7 to 14
Challenge Level Yellow starYellow star

Some of the numbers have fallen off Becky's number line. Can you figure out what they were?

Factor Lines

Age 7 to 14
Challenge Level Yellow starYellow star

Arrange the four number cards on the grid, according to the rules, to make a diagonal, vertical or horizontal line.

Factors and Multiples Game

Age 7 to 16
Challenge Level Yellow star

A game in which players take it in turns to choose a number. Can you block your opponent?

You may also like

Being Curious - Primary All Resources

Resources for primary children to help them to develop their curiosity.

Being Collaborative - Primary All Resources

Resources to help primary children to be more collaborative.

Being Resourceful - Primary All Resources

Resources to help primary children to be more thoughtful.

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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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