You will need:
something to write on
something to write with.
(These videos were created with Sally from Ellalong PS)
Transcript coming soon.
Choose one of the numbers from the right side of the balance (10, 5 or 7).
How could you use that number and some others to make the arms balance.
How many different combinations can you find?
Draw a picture to record your thinking.
Now that you've seen some different ways to make the arms balance, how could you make them balance using 4 tags.
How could you be sure you have all the possible combinations?
What other ways could you make the arms balance if you could use any numbers?
Draw a number balance for someone else to solve.