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I'm Eight

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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?

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Noah

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

100 Square Jigsaw

Age 5 to 7 Challenge Level:

Complete the jigsaw of the $100$ square.




You could print off a sheet of the square and the pieces to cut out.
The printable sheets can be found here: Puzzle 1, Puzzle 2, Puzzle 3 and Puzzle 4.
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.
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NRICH is part of the family of activities in the Millennium Mathematics Project.