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GR 2 Unit 6a: How Many Tens? How Many Ones? A (February 16 - March 1)

In this unit, second graders add and subtract two-digit numbers while recording strategies for doing so. Multiples of ten are also examined in the game Roll-a-Square.




Essential Questions

  • How can I combine numbers with tens and ones?

Vocabulary


New Vocabulary
: 100 chart, adding on in parts, decomposing a number and adding it on in parts,


Continuing Vocabulary: adding tens and ones, ones, tens

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