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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!
problem
Robot monsters
Age
5 to 7
Challenge level
Use these head, body and leg pieces to make Robot Monsters which are different heights.
problem
100 square jigsaw
Age
5 to 7
Challenge level
Can you complete this jigsaw of the 100 square?
problem
Growing garlic
Age
5 to 11
Challenge level
Ben and his mum are planting garlic. Can you find out how many cloves of garlic they might have had?
problem
Number round up
Age
5 to 7
Challenge level
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.
problem
The Deca Tree
Age
7 to 11
Challenge level
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.
problem
Unravelling sequences
Age
7 to 11
Challenge level
Can you describe what is happening as this program runs? Can you unpick the steps in the process?
problem
Coded hundred square
Age
7 to 11
Challenge level
This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?
problem
Domino sets
Age
7 to 11
Challenge level
How do you know if your set of dominoes is complete?
problem
Always, sometimes or never? Number
Age
7 to 11
Challenge level
Are these statements always true, sometimes true or never true?
problem
Amy's dominoes
Age
7 to 11
Challenge level
Amy has a box containing domino pieces but she does not think it is a complete set. Which of her domino pieces are missing?
problem
Sealed solution
Age
7 to 11
Challenge level
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?