
Visualising and representing
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problem
Curvy equation
This problem asks you to use your curve sketching knowledge to find all the solutions to an equation.
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problem
Subtraction slip
Can you spot the mistake in this video? How would you work out the answer to this calculation?
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problem
Picture your method
Can you match these calculation methods to their visual representations? -
interactivity
Tangram browser
Explore our selection of interactive tangrams. Can you use the tangram pieces to re-create each picture? -
problem
Triangle in a trapezium
Can you find and prove the relationship between the area of a trapezium and the area of a triangle constructed within it?
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problem
The farmers' field boundary
The farmers want to redraw their field boundary but keep the area the same. Can you advise them?
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problem
Rod area
This task challenges you to create symmetrical U shapes out of rods and find their areas.
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problem
How many?
Have a look at these photos of different fruit. How many do you see? How did you count? -
list
World of Tan
Read about the adventures of Granma T and her grandchildren in this series of stories, accompanied by interactive tangrams.