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problem

Triangle Pin-down

7 to 11

Use the interactivity to investigate what kinds of triangles can be drawn on peg boards with different numbers of pegs.

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Entrepreneurs in Action

A description of the EiA project

problem

Amazing Alphabet Maze

5 to 7

Can you go from A to Z right through the alphabet in the hexagonal maze?

problem

Tummy Ache

14 to 16

Timmy, Tammy and Tommy all go to the doctors. In what order do they arrive at the surgery?

problem

Maximised Area

14 to 16

Of these five figures, which shaded area is the greatest? The large circle in each figure has the same radius.

problem

Cubic Covering

14 to 16

A blue cube has blue cubes glued on all of its faces. Yellow cubes are then glued onto all the visible blue facces. How many yellow cubes are needed?

problem

Big Fish

14 to 16

Granny has taken up deep-sea fishing! Last week, she caught a fish so big that she had to cut it into three pieces in order to weigh it...

problem

Platinum Puzzle

14 to 16

What is the approximate total volume of platinum that has ever been produced?

problem

Cinema Costs

11 to 14

Weekly Problem 41 - 2009
At a cinema a child's ticket costs £4.20 and an adult's ticket costs £7.70. How much did it cost this group of adults and children to see a film?

problem

Better Spelling

11 to 14

Weekly Problem 12 - 2010
Can Emily increase her average test score to more than $80$%? Find out how many more tests she must take to do so.

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Triangle Pin-down

Entrepreneurs in Action

Amazing Alphabet Maze

Tummy Ache

Maximised Area

Cubic Covering

Big Fish

Platinum Puzzle

Cinema Costs

Better Spelling