Illuminations: Building Sets of 13 and 14

Students construct and identify sets of size 13 and size 14.

They compare sets to sets of size 13 and size 14, and record the number in the sets. They decompose a set of 13 and a set of 14 in several ways.


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Early Childhood, K-6, Educator

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Illuminations (National Council of Teachers of Mathematics)

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