Unpacked Content
Knowledge
Students know:
- how to use mental strategies to add and subtract within 20.
Skills
Students are able to:
- use addition and subtraction strategies efficiently.
Understanding
Students understand that:
- fluency involves a mixture of "just knowing" answers, knowing answers from patterns, and knowing answers from the use of strategies. The word fluently is used in the standards to mean accurately, efficiently, and flexibly.
Vocabulary
- Fluently
