Percentages

problem

The Money Maze

Age

7 to 11

Challenge level

Go through the maze, collecting and losing your money as you go. Which route gives you the highest return? And the lowest?
problem

Are You a Smart Shopper?

Age

7 to 11

Challenge level

In a town there are three supermarkets which each have a special deal on some products. If you bought all your shopping in one shop, which would be the cheapest?
problem

The Magic Number and the Hepta-Tree

Age

7 to 11

Challenge level

Find the exact difference between the largest ball and the smallest ball on the Hepta Tree and then use this to work out the MAGIC NUMBER!
problem

Put Out the Flags

Age

11 to 14

Challenge level

Tim and Beth both have a string of flags. Use the percentages to find out who has the most flags.
problem

Retiring to Paradise

Age

11 to 14

Challenge level

When Charlie retires, he's looking forward to the quiet life, whereas Alison wants a busy and exciting retirement. Can you advise them on where they should go?
problem

Pied Piper

Age

14 to 16

Challenge level

How many rats did the Pied Piper catch?
problem

Pineapple Juice

Age

14 to 16

Challenge level

What percentage of this orange drink is juice?
problem

Circle Packing

Age

14 to 16

Challenge level

Equal circles can be arranged so that each circle touches four or six others. What percentage of the plane is covered by circles in each packing pattern? ...
article
Roasting Old Chestnuts 4

For teachers. Yet more school maths from long ago-interest and percentages.
article
Activities on the Gattegno Chart

In this article, Alf outlines six activities using the Gattegno chart, which help to develop understanding of place value, multiplication and division.