In this challenge, you will work in a group to investigate circular
fences enclosing trees that are planted in square or triangular
Complete these two jigsaws then put one on top of the other. What
happens when you add the 'touching' numbers? What happens when you
change the position of the jigsaws?
Can you each work out the number on your card? What do you notice?
How could you sort the cards?
This group activity will encourage you to share calculation strategies and to think about which strategy might be the most efficient.
You are organising a school trip and you need to write a letter to parents to let them know about the day. Use the cards to gather all the information you need.
How would you count the number of fingers in these pictures?
These clocks have only one hand, but can you work out what time
they are showing from the information?
Which pairs of cogs let the coloured tooth touch every tooth on the
other cog? Which pairs do not let this happen? Why?