Description:
Strategies:
Properties of Addition:
- Associative Property
- Communicative
- Identity
Mental Math:
- Number Sense
- Breaking Up numbers
Algorithms
- Standard algorithm
- Partial-sums method
- Column addition
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Mastery of fluent addition within 1000
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Properties of Operations
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Addition Algorithms
- Standard algorithm
- Partial-sums method
- Column addition
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Mental Math Strategies
- Using number sense
- Breaking apart numbers
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