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