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The Deca Tree
problem
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The Deca Tree

7 to 11

A Deca Tree has 10 trunks, and on each trunk are 10 branches, and on each branch are 10 twigs...

problem
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Ladybirds in the Garden

5 to 7

There are ladybirds with 7 spots or 4 spots in this garden. What numbers of total spots can you make?

Number Differences
problem
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Number Differences

5 to 11

Place the numbers from 1 to 9 in the squares so that the difference between joined squares is odd.

Dominant Intelligences
article

Dominant Intelligences

5 to 16
The second in a series, this article looks at the possible opportunities for children who operate from different intelligences to be involved in "typical" maths problems.
Nicola's Jigsaw
problem

Nicola's Jigsaw

11 to 14

Nicola has lost a piece of her 3D jigsaw. Can you work out the shape of the missing piece?

project

Make Your Own Pencil Case

11 to 14

What shape would fit your pens and pencils best? How can you make it?

How do you react?
problem

How Do You React?

14 to 16
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Troublesome Dice
problem

Troublesome Dice

11 to 14
When dice land edge-up, we usually roll again. But what if we didn't...?
Fitting flat shapes
problem

Fitting Flat Shapes

16 to 18
How efficiently can various flat shapes be fitted together?
Sorted
problem

Sorted

14 to 18

How can you quickly sort a suit of cards in order from Ace to King?

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