Mass and weight

problem
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
Finding out!

Age

7 to 11

Challenge level

Explore all aspects of measurement in this activity.
problem
Watermelons

Age

7 to 11

Challenge level

These watermelons have been entered into a competition. Use the information to work out the number of points each one was awarded.
problem
Order, order!

Age

5 to 11

Challenge level

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

Age

7 to 11

Challenge level

Can you use this information to estimate how much the different fruit selections weigh in kilos and pounds?
problem
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
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?