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If you are stuck, try looking at your model or picture in different ways to see if that helps.
Do any of the bits of it match up in pairs?
Think about what you know about the properties of odd and even numbers.
Find a great variety of ways of asking questions which make 8.
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Noah saw 12 legs walk by into the Ark. How many creatures did he see?