## Problems

##### Age 5 to 7 Challenge Level:

In your bank, you have three types of coins. The number of spots shows how much they are worth. Can you choose coins to exchange with the groups given to make the same total?

##### Age 5 to 7 Challenge Level:

Can you see which tile is the odd one out in this design? Using the
basic tile, can you make a repeating pattern to decorate our wall?

##### Age 5 to 11 Challenge Level:

Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?

##### Age 7 to 11 Challenge Level:

Would you rather: Have 10% of £5 or 75% of 80p? Be given 60% of 2 pizzas or 26% of 5 pizzas?

##### Age 7 to 11 Challenge Level:

Amy's mum had given her £2.50 to spend. She bought four times as many pens as pencils and was given 40p change. How many of each did she buy?

##### Age 7 to 11 Challenge Level:

Can you fit the tangram pieces into the outline of this telephone?

##### 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!

##### Age 7 to 11 Challenge Level:

There were chews for 2p, mini eggs for 3p, Chocko bars for 5p and lollypops for 7p in the sweet shop. What could each of the children buy with their money?

##### Age 7 to 11 Challenge Level:

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

##### Age 7 to 16 Challenge Level:

Place the numbers 1, 2, 3,..., 9 one on each square of a 3 by 3 grid so that all the rows and columns add up to a prime number. How many different solutions can you find?

## Featured Solution

## Articles & Games