MA19.1.3
Apply properties of operations as strategies to add and subtract.
Apply properties of operations as strategies to add and subtract.
UP:MA19.1.3
Vocabulary
- Commutative property of addition
- Associative property of addition
- Identity property of zero for addition
Knowledge
Students know:
- addition and subtraction strategies.
- how to form an equation. li>how the commutative property works.
Skills
Students are able to:
- Strategically apply properties of addition in order to find sums.
Understanding
Students understand that:
- the order in which addends are joined doesn't change the sum.
- numbers may be composed or decomposed in a variety of ways.
