List

Primary Interactive Resources

These general interactive resources can be used in a variety of contexts in the primary classroom to support learners working on mathematics.
Geoboards
interactivity

Geoboards

Geogebra square, circular and rectangular geoboards.
Red or Black Spinner
interactivity

Red or Black Spinner

A simple spinner that is equally likely to land on Red or Black. Useful if tossing a coin, dropping it, and rummaging about on the floor have lost their appeal. Needs a modern browser; if IE then at least version 9.
Interactive Balance
interactivity

Interactive Balance

In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!
Tangram Browser
interactivity

Tangram Browser

Explore our selection of interactive tangrams. Can you use the tangram pieces to re-create each picture?



Interactive tasks and games

These primary activities and games all have interactive content, making them ideal for use on tablets, laptops or in a computer room.
Seesaw Shenanigans
problem
Favourite

Seesaw Shenanigans

Age
3 to 7
Challenge level
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A group of animals has made a seesaw in the woods. How can you make the seesaw balance?

Celebrate 25 Years of NRICH
game

Celebrate 25 Years of NRICH

To celebrate NRICH's 25th birthday, why not play this special version of our classic game, Got It? Can you devise a strategy so that you will always win?

Matching Numbers for Two
problem

Matching Numbers for Two

Age
5 to 7
Challenge level
filled star empty star empty star
Matching Numbers game for an adult and child. Can you remember where the cards are so you can choose two which match?
Seeing Squares for Two
game

Seeing Squares for Two

Seeing Squares game for an adult and child. Can you come up with a way of always winning this game?
Turning Man
problem
Favourite

Turning Man

Age
5 to 7
Challenge level
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Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.
Always, Sometimes or Never? KS1
problem
Favourite

Always, Sometimes or Never? KS1

Age
5 to 7
Challenge level
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Are these statements relating to calculation and properties of shapes always true, sometimes true or never true?

Board Block for Two
game

Board Block for Two

Board Block game for two. Can you stop your partner from being able to make a shape on the board?
100 Square Jigsaw
problem
Favourite

100 Square Jigsaw

Age
5 to 7
Challenge level
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Can you complete this jigsaw of the 100 square?
Seeing Squares
problem
Favourite

Seeing Squares

Age
5 to 11
Challenge level
filled star empty star empty star

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.

Carroll Diagrams
problem
Favourite

Carroll Diagrams

Age
5 to 11
Challenge level
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Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?

Growing Garlic
problem
Favourite

Growing Garlic

Age
5 to 11
Challenge level
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Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

Matching Triangles
problem
Favourite

Matching Triangles

Age
5 to 7
Challenge level
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Can you sort these triangles into three different families and explain how you did it?

Inside Triangles
problem
Favourite

Inside Triangles

Age
5 to 7
Challenge level
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How many different triangles can you draw on the dotty grid which each have one dot in the middle?
Gathering Gems
problem

Gathering Gems

Age
5 to 11
Challenge level
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Using compass points, can you describe up to ten paths on this map so that you bring as many gems back home as possible?
Tables Teaser
problem
Favourite

Tables Teaser

Age
5 to 7
Challenge level
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How will you work out which numbers have been used to create this multiplication square?
Repeating Patterns
problem
Favourite

Repeating Patterns

Age
5 to 7
Challenge level
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Try continuing these patterns made from triangles. Can you create your own repeating pattern?
Robot Monsters
problem
Favourite

Robot Monsters

Age
5 to 7
Challenge level
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Use these head, body and leg pieces to make Robot Monsters which are different heights.
Four Triangles Puzzle
problem
Favourite

Four Triangles Puzzle

Age
5 to 11
Challenge level
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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?

Cuisenaire Counting
problem
Favourite

Cuisenaire Counting

Age
5 to 7
Challenge level
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Here are some rods that are different colours. How could I make a yellow rod using white and red rods?
Venn diagrams
problem
Favourite

Venn diagrams

Age
5 to 11
Challenge level
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How will you complete these interactive Venn diagrams?

Fraction Card Game
problem

Fraction Card Game

Age
5 to 7
Challenge level
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Can you match the halves in this interactive game?
Equivalent Pairs
problem
Favourite

Equivalent Pairs

Age
5 to 7
Challenge level
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Can you match pairs of cards which show the same amount?
Two-digit targets
problem
Favourite

Two-digit targets

Age
5 to 7
Challenge level
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You have a set of the digits from 0 to 9. Can you arrange these in the five boxes to make two-digit numbers as close to the targets as possible?

One Big Triangle
problem
Favourite

One Big Triangle

Age
5 to 7
Challenge level
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Make one big triangle so the numbers that touch on the small triangles add to 10.

Board Block
problem

Board Block

Age
5 to 7
Challenge level
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Take it in turns to make a triangle on the pegboard. Can you block your opponent?
Largest Even
problem
Favourite

Largest Even

Age
5 to 11
Challenge level
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How would you create the largest possible two-digit even number from the digit I've given you and one of your choice?
Same Length Trains
problem
Favourite

Same Length Trains

Age
5 to 7
Challenge level
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How many trains can you make which are the same length as Matt's and Katie's, using rods that are identical?
Poly Plug Rectangles
problem
Favourite

Poly Plug Rectangles

Age
5 to 11
Challenge level
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The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Matching numbers
problem

Matching numbers

Age
5 to 7
Challenge level
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Can you find different ways of showing the same number? Try this matching game and see!
Cover the Camel
problem
Favourite

Cover the Camel

Age
5 to 7
Challenge level
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Can you cover the camel with these pieces?
Matching Time
problem
Favourite

Matching Time

Age
5 to 7
Challenge level
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Try this matching game which will help you recognise different ways of saying the same time interval.

Sizing them Up
problem
Favourite

Sizing them Up

Age
5 to 7
Challenge level
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Can you put these shapes in order of size? Start with the smallest.

Sort the Street
problem
Favourite

Sort the Street

Age
5 to 7
Challenge level
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Sort the houses in my street into different groups. Can you do it in any other ways?

Flip Flop - matching cards
problem

Flip Flop - matching cards

Age
5 to 11
Challenge level
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Practise your number bonds whilst improving your memory in this matching pairs game.
Tangrams
problem

Tangrams

Age
5 to 11
Challenge level
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Can you make five differently sized squares from the interactive tangram pieces?

Find the Difference
problem
Favourite

Find the Difference

Age
5 to 7
Challenge level
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Place the numbers 1 to 6 in the circles so that each number is the difference between the two numbers just below it.
Teddy Town
problem

Teddy Town

Age
5 to 11
Challenge level
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There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?

Junior Frogs
problem

Junior Frogs

Age
5 to 11
Challenge level
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Have a go at this well-known challenge. Can you swap the frogs and toads in as few slides and jumps as possible?
Ladybird Box
problem

Ladybird Box

Age
5 to 11
Challenge level
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Place six toy ladybirds into the box so that there are two ladybirds in every column and every row.
Colouring Triangles
problem
Favourite

Colouring Triangles

Age
5 to 7
Challenge level
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Explore ways of colouring this set of triangles. Can you make symmetrical patterns?

Three Way Mix Up
problem

Three Way Mix Up

Age
5 to 11
Challenge level
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Jack has nine tiles. He put them together to make a square so that two tiles of the same colour were not beside each other. Can you find another way to do it?
Change Around
problem

Change Around

Age
5 to 7
Challenge level
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Move just three of the circles so that the triangle faces in the opposite direction.
Three Ball Line Up
problem
Favourite

Three Ball Line Up

Age
5 to 7
Challenge level
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Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
Light the Lights
problem
Favourite

Light the Lights

Age
5 to 7
Challenge level
filled star filled star empty star

Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

Chain of Changes
problem
Favourite

Chain of Changes

Age
5 to 7
Challenge level
filled star filled star empty star

Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?

Teddy Town
problem

Teddy Town - Part two

Age
5 to 11
Challenge level
filled star filled star empty star

There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?

Teddy Town
problem

Teddy Town - Part three

Age
5 to 11
Challenge level
filled star filled star empty star

There are sixteen teddies in Teddy Town - four red, four blue, four yellow and four green. There are also sixteen houses, four of each colour. Can you put them on the map of Teddy Town according to the rules?

Teddy Town
problem

Teddy Town - Part four

Age
5 to 11
Challenge level
filled star filled star empty star

There are twenty five teddies in Teddy Town - five red, five blue, five yellow, five green and five purple. There are also twenty five houses, five of each colour. Can you put them on the map of Teddy Town according to the rules?

Teddy Town
problem

Teddy Town - Part five

Age
5 to 11
Challenge level
filled star filled star empty star

There are thirty six teddies in Teddy Town - six red, six blue, six yellow, six green, six purple and six turquoise. There are also thirty six houses, six of each colour. Can you put them on the map of Teddy Town according to the rules?

Triangle Edges
problem

Triangle Edges

Age
5 to 7
Challenge level
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How many triangles can you make using sticks that are 3cm, 4cm and 5cm long?
Square split into a triangle and trapezium
problem
Favourite

Tangram Tangle

Age
5 to 7
Challenge level
filled star filled star filled star

If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?

Three Squares
problem
Favourite

Three Squares

Age
5 to 11
Challenge level
filled star filled star filled star

What is the greatest number of squares you can make by overlapping three squares?

4 Dom
problem
Favourite

4 Dom

Age
5 to 11
Challenge level
filled star filled star filled star
Use these four dominoes to make a square that has the same number of dots on each side.
Two and One
problem

Two and One

Age
5 to 7
Challenge level
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Terry and Ali are playing a game with three balls. Is it fair that Terry wins when the middle ball is red?
Stop the Clock for Two
game

Stop the Clock for Two

Stop the Clock game for an adult and child. How can you make sure you always win this game?
Twice as Big?
problem
Favourite

Twice as Big?

Age
7 to 11
Challenge level
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Investigate how the four L-shapes fit together to make an enlarged L-shape. You could explore this idea with other shapes too.

First Connect Three for Two
game

First Connect Three for Two

First Connect Three game for an adult and child. Use the dice numbers and either addition or subtraction to get three numbers in a straight line.

Transformations on a Pegboard
problem
Favourite

Transformations on a Pegboard

Age
7 to 11
Challenge level
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How would you move the bands on the pegboard to alter these shapes?
1, 2, 3 Magic Square
problem
Favourite

1, 2, 3 Magic Square

Age
7 to 11
Challenge level
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Arrange three 1s, three 2s and three 3s in this square so that every row, column and diagonal adds to the same total.
Triangle in a Square
problem

Triangle in a Square

Age
7 to 11
Challenge level
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Do you agree with Badger's statements? Is Badger's reasoning watertight? Why or why not?
Phiddlywinks
game

Phiddlywinks

Have a go at this version of John Conway's game. Do you have any good strategies for winning?
A Square of Numbers
problem
Favourite

A Square of Numbers

Age
7 to 11
Challenge level
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Can you put the numbers 1 to 8 into the circles so that the four calculations are correct?
Magic Crosses
problem

Magic Crosses

Age
7 to 14
Challenge level
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Can you find examples of magic crosses? Can you find all the possibilities?

Fractional Triangles
problem
Favourite

Fractional Triangles

Age
7 to 11
Challenge level
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Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.

Fruity Totals
problem
Favourite

Fruity Totals

Age
7 to 16
Challenge level
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In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?

Your number is...
problem
Favourite

Your number is...

Age
7 to 14
Challenge level
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Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?
First Connect Three
problem
Favourite

First Connect Three

Age
7 to 11
Challenge level
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Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?
The Number Jumbler
problem
Favourite

The Number Jumbler

Age
7 to 14
Challenge level
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The Number Jumbler can always work out your chosen symbol. Can you work out how?
Latin Lilies
problem

Latin Lilies

Age
7 to 14
Challenge level
filled star empty star empty star
In this game you are challenged to gain more columns of lily pads than your opponent.
Unravelling Sequences
problem

Unravelling Sequences

Age
7 to 11
Challenge level
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Can you describe what is happening as this program runs? Can you unpick the steps in the process?
Rearranged Rectangle
problem

Rearranged Rectangle

Age
7 to 11
Challenge level
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How many different rectangles can you make using this set of rods?
Arrangements
problem

Arrangements

Age
7 to 11
Challenge level
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Is it possible to place 2 counters on the 3 by 3 grid so that there is an even number of counters in every row and every column? How about if you have 3 counters or 4 counters or....?
Less is More
problem
Favourite

Less is More

Age
7 to 11
Challenge level
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Use your knowledge of place value to try to win this game. How will you maximise your score?
Treasure Hunt
problem
Favourite

Treasure Hunt

Age
7 to 14
Challenge level
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Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
Four-digit targets
problem
Favourite

Four-digit targets

Age
7 to 11
Challenge level
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You have two sets of the digits 0-9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?
An Easy Way to Multiply by 10?
problem
Favourite

An Easy Way to Multiply by 10?

Age
7 to 11
Challenge level
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Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
3 by 3 Mathdokus
problem

3 by 3 Mathdokus

Age
7 to 14
Challenge level
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Can you use the clues to complete these 3 by 3 Mathematical Sudokus?
Mathdoku
problem

Mathdoku

Age
7 to 11
Challenge level
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Complete the Mathdoku grid using the clues. Can you convince us that the number you have chosen for each square has to be correct?
4 by 4 Mathdokus
problem
Favourite

4 by 4 Mathdokus

Age
7 to 14
Challenge level
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Can you use the clues to complete these 4 by 4 Mathematical Sudokus?
Coded hundred square
problem
Favourite

Coded hundred square

Age
7 to 11
Challenge level
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This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Diagonally Square
problem

Diagonally Square

Age
7 to 11
Challenge level
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Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?
5 by 5 Mathdokus
problem
Favourite

5 by 5 Mathdokus

Age
7 to 16
Challenge level
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Can you use the clues to complete these 5 by 5 Mathematical Sudokus?
Times Tables Shifts
problem
Favourite

Times Tables Shifts

Age
7 to 11
Challenge level
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In this activity, the computer chooses a times table and shifts it. Can you work out the table and the shift each time?

Seeing Parallelograms
problem
Favourite

Seeing Parallelograms

Age
7 to 11
Challenge level
filled star empty star empty star

Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.

Nine-Pin Triangles
problem
Favourite

Nine-Pin Triangles

Age
7 to 11
Challenge level
filled star empty star empty star

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

missing multipliers
problem
Favourite

Missing Multipliers

Age
7 to 14
Challenge level
filled star empty star empty star
What is the smallest number of answers you need to reveal in order to work out the missing headers?
Dozens
problem
Favourite

Dozens

Age
7 to 14
Challenge level
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Can you select the missing digit(s) to find the largest multiple?
Which Scripts?
problem
Favourite

Which Scripts?

Age
7 to 11
Challenge level
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There are six numbers written in five different scripts. Can you sort out which is which?
Rod Fractions
problem

Rod Fractions

Age
7 to 14
Challenge level
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Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?
Sliding Game
game

Sliding Game

A shunting puzzle for 1 person. Swop the positions of the counters at the top and bottom of the board.
Matching fractions
problem
Favourite

Matching fractions

Age
7 to 11
Challenge level
filled star empty star empty star

Can you find different ways of showing the same fraction? Try this matching game and see.

Calendar Sorting
problem

Calendar Sorting

Age
7 to 11
Challenge level
filled star empty star empty star
The pages of my calendar have got mixed up. Can you sort them out?
Train Tactics
game

Train Tactics

A train building game for two players. Can you be the one to complete the train?
Factors and Multiples Game
game
Favourite

Factors and Multiples Game

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

How long does it take?
problem

How long does it take?

Age
7 to 11
Challenge level
filled star empty star empty star
How long does it take to brush your teeth? Can you find the matching length of time?