Red or Black Spinner
Interactive Balance
Tessellation interactivity
Tangram Browser
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.World of Tan 23 - Transform this into that
Seesaw Shenanigans
A group of animals has made a seesaw in the woods. How can you make the seesaw balance?
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?
Board Block
Largest Even
Same Length Trains
Poly Plug Rectangles
Matching numbers
Matching Time
Try this matching game which will help you recognise different ways of saying the same time interval.
Seeing Squares for Two
Multiplication Tables - matching cards
Board Block for Two
Sizing them Up
Can you put these shapes in order of size? Start with the smallest.
Sort the Street
Sort the houses in my street into different groups. Can you do it in any other ways?
Matching Numbers for Two
Turning Man
Always, Sometimes or Never? KS1
Are these statements relating to calculation and properties of shapes always true, sometimes true or never true?
Seeing Squares
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
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
Growing Garlic
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
Matching Triangles
Can you sort these triangles into three different families and explain how you did it?
Robot Monsters
Inside Triangles
Gathering Gems
Four Triangles Puzzle
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?
Tables Teaser
Cuisenaire Counting
Repeating Patterns
One Big Triangle
Make one big triangle so the numbers that touch on the small triangles add to 10.
Two-digit targets
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?
Three Ball Line Up
Light the Lights
Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?
Teddy Town - Part two
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 - Part three
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 - Part four
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 - Part five
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?
Flip Flop - matching cards
Teddy Town
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?
Ladybird Box
Find the Difference
Colouring Triangles
Explore ways of colouring this set of triangles. Can you make symmetrical patterns?
Junior Frogs
Three Way Mix Up
Change Around
Chain of Changes
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?
Stop the Clock for Two
Tangram Tangle
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
What is the greatest number of squares you can make by overlapping three squares?
4 Dom
Two and One
Seeing Parallelograms
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.
Which Scripts?
Sliding Game
Fractions and Coins Game
Missing Multipliers
Factors and Multiples Game
A game in which players take it in turns to choose a number. Can you block your opponent?
Rod Fractions
The Remainders Game
Play this game and see if you can figure out the computer's chosen number.
Matching fractions
Can you find different ways of showing the same fraction? Try this matching game and see.
A Puzzling Cube
Here are the six faces of a cube - in no particular order. Here are three views of the cube. Can you deduce where the faces are in relation to each other and record them on the net of this cube?
Matching Fractions, Decimals and Percentages
How long does it take?
Shape Draw
Use the information on these cards to draw the shape that is being described.
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
1, 2, 3 Magic Square
Twice as Big?
Investigate how the four L-shapes fit together to make an enlarged L-shape. You could explore this idea with other shapes too.
Always, Sometimes or Never? Shape
Phiddlywinks
A Square of Numbers
Fractional Triangles
Use the lines on this figure to show how the square can be divided into 2 halves, 3 thirds, 6 sixths and 9 ninths.
Multiplication Square Jigsaw
Your number is...
Triangle in a Square
Fruity Totals
In this interactivity each fruit has a hidden value. Can you deduce what each one is worth?
Unravelling Sequences
Arrangements
First Connect Three
The Number Jumbler
Latin Lilies
An Easy Way to Multiply by 10?
Mathdoku
Less is More
Treasure Hunt
Diagonally Square
Four-digit targets
Nine-Pin Triangles
How many different triangles can you make on a circular pegboard that has nine pegs?