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Stop the clock for two
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Seeing squares for two
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Board block for two
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Interactive balance
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Matching numbers for two
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Matching numbers
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Find the difference
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Repeating patterns
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Inside triangles
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Turning man
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Same length trains
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Board block
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Cuisenaire counting
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Multiplication tables - matching cards
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Flip flop - matching cards
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4 dom
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Ladybird box
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Largest even
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Tables teaser
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Junior frogs
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Change around
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Two and one
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Red or black spinner
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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?
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Carroll diagrams
Use the interactivities to fill in these Carroll diagrams. How do you know where to place the numbers?
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Growing garlic
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
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Sort the street
Sort the houses in my street into different groups. Can you do it in any other ways?
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Matching time
Try this matching game which will help you recognise different ways of saying the same time interval.
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Three squares
What is the greatest number of squares you can make by overlapping three squares?
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Seesaw shenanigans
A group of animals has made a seesaw in the woods. How can you make the seesaw balance?
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One big triangle
Make one big triangle so the numbers that touch on the small triangles add to 10.
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Colouring triangles
Explore ways of colouring this set of triangles. Can you make symmetrical patterns?
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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?
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Matching triangles
Can you sort these triangles into three different families and explain how you did it?
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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?
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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?
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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?
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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?
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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?
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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?
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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?
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Always, sometimes or never? KS1
Are these statements relating to calculation and properties of shapes always true, sometimes true or never true?
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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?
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Three ball line up
Use the interactivity to help get a feel for this problem and to find out all the possible ways the balls could land.
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Robot monsters
Use these head, body and leg pieces to make Robot Monsters which are different heights.
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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?
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Poly plug rectangles
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?
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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.
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Gathering gems
Using compass points, can you describe up to ten paths on this map so that you bring as many gems back home as possible?
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Three way mix up
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?
Older lower primary Flash-based interactives
The activities below are older resources which require Flash in order to run.No results found