Explore our interactive balances in all their different forms in this feature - a seesaw in the woods; a number balance with hooks for identical weights; a number balance with a tray on each side and a hanging mobile.
We hope that these activities deepen your understanding of what it means when we say that two amounts are equal.
Seesaw Shenanigans Age 3 to 7
Challenge Level
Challenge Level
A group of animals has made a seesaw in the woods. How can you make the seesaw balance?
Equivalent Pairs Age 5 to 7
Challenge Level
Challenge Level
Can you match pairs of cards which show the same amount?
Number Balance Age 5 to 7
Challenge Level
Challenge Level
Can you hang weights in the right place to make the the number balance balanced?
Are You Well Balanced? Age 5 to 7
Challenge Level
Challenge Level
Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.
Interactive Balance Age 5 to 11
Challenge Level
Challenge Level
In this simulation of a balance, you can drag numbers and parts of number sentences on to the trays. Have a play!
Sweetie Box Age 5 to 11
Challenge Level
Challenge Level
Max and Bryony both have a box of sweets. What do you know about the number of sweets they each have?
True or False? Age 7 to 11
Challenge Level
Challenge Level
Without doing lots of calculations, can you decide which of these number sentences are true? How do you know?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.