List

Digging into Number

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These tasks give you the chance to dig deeply into maths, particularly number and calculation. The way to a solution is not obvious, so you will need to be prepared to explore, to make use of your creativity, and to explain your ideas. The deeper understanding you gain will make it all worthwhile!

Robot Monsters
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Favourite

Robot Monsters

Age
5 to 7
Challenge level
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Use these head, body and leg pieces to make Robot Monsters which are different heights.
100 Square Jigsaw
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Favourite

100 Square Jigsaw

Age
5 to 7
Challenge level
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Can you complete this jigsaw of the 100 square?
Growing Garlic
problem
Favourite

Growing Garlic

Age
5 to 11
Challenge level
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Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?

Number Round Up
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Favourite

Number Round Up

Age
5 to 7
Challenge level
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Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.
The Deca Tree
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Favourite

The Deca Tree

Age
7 to 11
Challenge level
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Find out what a Deca Tree is and then work out how many leaves there will be after the woodcutter has cut off a trunk, a branch, a twig and a leaf.
Unravelling Sequences
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Unravelling Sequences

Age
7 to 11
Challenge level
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Can you describe what is happening as this program runs? Can you unpick the steps in the process?
Coded hundred square
problem
Favourite

Coded hundred square

Age
7 to 11
Challenge level
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This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
Domino sets
problem
Favourite

Domino sets

Age
7 to 11
Challenge level
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How do you know if your set of dominoes is complete?

Amy's Dominoes
problem
Favourite

Amy's Dominoes

Age
7 to 11
Challenge level
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Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
Sealed Solution
problem
Favourite

Sealed Solution

Age
7 to 11
Challenge level
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Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?