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GR 1 Unit 8b: Twos, Fives and Tens B (April 11 - May 6)

Students start to think of two-digit numbers between 10 and 20 as a combination of a ten and ones, and form equivalent expressions such as 8 + 7 = 10 + 5.




Essential Questions

  • How are numbers between 10 and 20 related to 10?

Vocabulary


New Vocabulary
: addend, addition notation, ones, tens, the same as


Continuing Vocabulary: combination, equals, greater than, less than

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