Adding & Subtracting in Chunks | Skubes

Adding & Subtracting in Chunks

 
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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. Using the strategy call compensation to add.

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Teacher: 
Carrie