UP:MA19.1.13
Vocabulary
- Compose
- Multiple of 10
Knowledge
Students know:
- how to add within 100 using place vaue strategies.
- how to identify tens and ones.
- how to compose two digit numbers.
- how to decompose two digit numbers.
Skills
Students are able to:
- add within 100.
- Model addition problems using visual models.
- Record strategies for solving addition problems.
- Communicate the relationship between models and symbolic (numeric) representations.
Understanding
Students understand that:
- relationships between models of addition problems and written strategies of those models can be used to justify solutions.
