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I'm Eight

Find a great variety of ways of asking questions which make 8.

Let's Investigate Triangles

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?

Doing and Undoing

Age 5 to 11
Challenge Level
Think carefully about what has happened to the number.
What sort of thing do you think would take it back to the number that you started with?