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Leah and Tom both have number lines and a counter. They always start with their counters at zero.
Leah's number line goes along from left to right like this:
First Leah made a jump of three along her number line and then a jump of four. Where did she land?
Next Leah made a secret jump along her number line. Then she made a jump of five and landed on $9$.
How long was her secret jump?
Then Leah made a jump of six and another secret jump. She landed on $10$.
How long was her second secret jump?
Tom's number line goes up and down like this:
First Tom made a jump of three up his number line and then a jump of two. Where did he land?
Next Tom made a secret jump up his number line. Then he made a jump of six and landed on $8$.
How long was his secret jump?
Then Tom made a jump of four and another secret jump. He landed on $7$.
What is the greatest number of squares you can make by overlapping three squares?
Find all the numbers that can be made by adding the dots on two dice.
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?