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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?
How many different triangles can you make on a circular pegboard that has nine pegs?
These rectangles have been torn. How many squares did each one have inside it before it was ripped?
Use the clues about the symmetrical properties of these letters to place them on the grid.
On the planet Vuv there are two sorts of creatures. The Zios have 3 legs and the Zepts have 7 legs. The great planetary explorer Nico counted 52 legs. How many Zios and how many Zepts were there?
Use two dice to generate two numbers with one decimal place. What happens when you round these numbers to the nearest whole number?
Sally and Ben were drawing shapes in chalk on the school playground. Can you work out what shapes each of them drew using the clues?
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you find the smallest number that lights up all four lights?
The discs for this game are kept in a flat square box with a square hole for each. Use the information to find out how many discs of each colour there are in the box.
How many symmetric designs can you make on this grid? Can you find them all?
Play this game and see if you can figure out the computer's chosen number.