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Have a look at the sets of four quantities below. Can you rank them in order from smallest to largest?
To help you decide, you may need to find extra information or carry out some experiments.
Can you convince us that your order is right?
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Time
Taken to travel to school
For mustard and cress to grow from seeds
Taken to eat a biscuit
Between your 6th and 7th birthdays
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Distance
You could jump up in the air
You can kick a football
You can run in half a minute
Length of a bug
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Mass
Of a blown-up balloon
Of a bar of chocolate
Of a loaf of bread
Of your teacher
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How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?
This challenge involves eight three-cube models made from interlocking cubes. Investigate different ways of putting the models together then compare your constructions.
Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?