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Noah

Noah saw 12 legs walk by into the Ark. How many creatures did he see?

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Magic Plant

On Friday the magic plant was only 2 centimetres tall. Every day it doubled its height. How tall was it on Monday?

Heads and Feet

Stage: 1 Challenge Level: Challenge Level:2 Challenge Level:2

On a farm there were some hens and sheep.

Altogether there were $8$ heads and $22$ feet.

How many hens were there?