Mass and weight

problem
Favourite

Seesaw Shenanigans

Age

3 to 7

Challenge level

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

Discuss and Choose

Age

5 to 11

Challenge level

This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.
problem
Favourite

Order, Order!

Age

5 to 11

Challenge level

Can you place these quantities in order from smallest to largest?
problem
Favourite

Place Your Orders

Age

11 to 14

Challenge level

Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
problem
Favourite

All in a Jumble

Age

11 to 14

Challenge level

My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.
problem

Caught in the Web

Age

14 to 16

Challenge level

Can you estimate the mass of insects caught by spiders in the UK each year?
problem

Flapjack

Age

11 to 14

Challenge level

A recipe for flapjacks calls for a certain quantity of butter, sugar and oats. Given the amount of these ingredients I have, how many flapjacks can I make?
problem

Grandpa's Rock Cakes

Age

11 to 14

Challenge level

Grandpa made a super-heavy rock cake. Five people have guessed the weight of the cake. Can you work out the weight of his cake?
game

Do You Measure Up?

Age

7 to 11

Challenge level

A game for two or more players that uses a knowledge of measuring tools. Spin the spinner and identify which jobs can be done with the measuring tool shown.
problem

What's My Weight?

Age

7 to 11

Challenge level

There are four equal weights on one side of the scale and an apple on the other side. What can you say that is true about the apple and the weights from the picture?