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I'm Eight

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

One Big Triangle

Stage: 1 Challenge Level: Challenge Level:1

Drag and drop these triangles so that the numbers that touch add up to $10$
Try to use all the small triangles and move them to fill in all the spaces in the big triangle.

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You can also print out these triangles, cut them out and rearrange them to make the big triangle.