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Seesaw Shenanigans

3 to 7

A group of animals has made a seesaw in the woods. How can you make the seesaw balance?

article

How can I support the development of early number sense and place value?

3 to 11

This article for primary teachers expands on the key ideas which underpin early number sense and place value, and suggests activities to support learners as they get to grips with these ideas.

problem

Triangle Transformation

7 to 14

Start with a triangle. Can you cut it up to make a rectangle?

problem

Flagged Up

11 to 14

Weekly Problem 31 - 2008
The flag is given a half turn anticlockwise about the point O and is then reflected in the dotted line. What is the final position of the flag?

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Net Result

11 to 14

The net shown here is cut out and folded to form a cube. Which face is then opposite the face marked X?

problem

Thunder and Lightning

11 to 14

How far away was the lightning if the flash and the thunderclap were 6 seconds apart?

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Guillotine

11 to 14

Weekly Problem 9 - 2006
What fraction of the area of the rectangle is shaded?

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Find from Factors

11 to 14

Weekly Problem 35 - 2006
A number has exactly eight factors, two of which are 21 and 35. What is the number?

problem

Making 11p

11 to 14

How many ways are there to make 11p using 1p, 2p and 5p coins?

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Birthday Party

11 to 14

The 30 students in a class have 25 different birthdays between them. What is the largest number that can share any birthday?