Number Lines
Age 5 to 7
Challenge Level 
It might help to have a number line of your own to work with.
You could print off this sheet of number lines.
If Leah did a jump of five to get to $9$, where did she start?
How could you find out?
So how big was the jump she had to do to get there from zero?
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Biscuit Decorations
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?