Working systematically
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problemLight the lights again
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?
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problemCharlie's delightful machine
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
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problemWhat shape?
This task develops spatial reasoning skills. By framing and asking questions a member of the team has to find out what mathematical object they have chosen.
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problemDoughnut percents
Can you work as a team to make doughnuts by matching these fractions, decimals and percentages?
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problemGrowing rectangles
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
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problemPartly painted cube
Jo made a cube from some smaller cubes, painted some of the faces of the large cube, and then took it apart again. 45 small cubes had no paint on them at all. How many small cubes did Jo use?
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problemJig shapes
Can you each work out what shape you have part of on your card? What will the rest of it look like?
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problemMore and more buckets
In this challenge, buckets come in five different sizes. If you choose some buckets, can you investigate the different ways in which they can be filled?