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Rachelle Michael
Math Unit 7 lesson 10 Cool Down
ชั้น:
2nd Grade
วิชา:
Math
มาตรฐาน:
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds. (2.NBT.B.7) (DOK 2) (2.NBT.B.7.)
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Illustrative Math 2nd Grade
Unit 7 Cool down lesson 10
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