Filter by: Content type: ALL Problems Articles Games Stage: All Stage 1&2 Stage 2&3 Stage 3&4 Stage 4&5 Challenge level:
Can you fit the tangram pieces into the outline of Little Ming?
This was a problem for our birthday website. Can you use four of these pieces to form a square? How about making a square with all five pieces?
Can you fit the tangram pieces into the outline of Mai Ling?
Can you fit the tangram pieces into the outlines of the candle and sundial?
Can you fit the tangram pieces into the outline of this junk?
Can you fit the tangram pieces into the outline of the rocket?
Sort the houses in my street into different groups. Can you do it in any other ways?
Can you fit the tangram pieces into the outline of the telescope and microscope?
Can you fit the tangram pieces into the outline of this goat and giraffe?
Can you fit the tangram pieces into the outline of this sports car?
Can you fit the tangram pieces into the outline of this plaque design?
What happens when you try and fit the triomino pieces into these two grids?
Can you cover the camel with these pieces?
Can you fit the tangram pieces into the outlines of these clocks?
Can you fit the tangram pieces into the outlines of these people?
Can you fit the tangram pieces into the outline of the child walking home from school?
Can you fit the tangram pieces into the outlines of the lobster, yacht and cyclist?
Can you fit the tangram pieces into the outlines of the chairs?
Use your mouse to move the red and green parts of this disc. Can you make images which show the turnings described?
Can you fit the tangram pieces into the outline of this brazier for roasting chestnuts?
If you can post the triangle with either the blue or yellow colour face up, how many ways can it be posted altogether?
Can you fit the tangram pieces into the outline of Granma T?
Can you fit the tangram pieces into the outline of this telephone?
Can you fit the tangram pieces into the outline of Little Fung at the table?
Can you fit the tangram pieces into the outline of these rabbits?
Can you fit the tangram pieces into the outline of Wai Ping, Wah Ming and Chi Wing?
Use the clues to colour each square.
Can you fit the tangram pieces into the outline of these convex shapes?
Can you fit the tangram pieces into the outline of Little Ming playing the board game?
NRICH December 2006 advent calendar - a new tangram for each day in the run-up to Christmas.
Can you fit the tangram pieces into the outline of this shape. How would you describe it?
Can you fit the tangram pieces into the outlines of the workmen?
Can you fit the tangram pieces into the outlines of the watering can and man in a boat?
Can you fit the tangram pieces into the outline of Little Ming and Little Fung dancing?
Can you fit the tangram pieces into the outlines of Mai Ling and Chi Wing?
Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.
Using angular.js to bind inputs to outputs
A shape and space game for 2,3 or 4 players. Be the last person to be able to place a pentomino piece on the playing board. Play with card, or on the computer.
Play a dice game of chance
Ben and his mum are planting garlic. Use the interactivity to help you find out how many cloves of garlic they might have had.
How have the numbers been placed in this Carroll diagram? Which labels would you put on each row and column?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
A game for 1 or 2 people. Use the interactive version, or play with friends. Try to round up as many counters as possible.
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?
These interactive dominoes can be dragged around the screen.
You'll need two dice to play this game against a partner. Will Incey Wincey make it to the top of the drain pipe or the bottom of the drain pipe first?
A variant on the game Alquerque
How many times in twelve hours do the hands of a clock form a right angle? Use the interactivity to check your answers.
A game for 2 people that everybody knows. You can play with a friend or online. If you play correctly you never lose!