Illuminations: Counting to Find Sums

This lesson focuses on the counting model for addition and begins with reading a counting book.

Students model the numbers with counters as the book is read. Then they count the spots on each side of a domino and write, in vertical and horizontal format, the sums suggested by dominoes. Finally, the students illustrate a domino and record a sum it represents.


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Illuminations (National Council of Teachers of Mathematics)

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Dice & Dominoes
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