####
MA19.1.6
Add and subtract within 20.

Add and subtract within 20.

### Unpacked Content

## UP:MA19.1.6

### Vocabulary

- Fluency

### Knowledge

- Strategies for finding sums and differences within 20.

### Skills

- Use addition and subtraction strategies.

### Understanding

- Addition and subtraction strategies can be used to compute sums and differences, and how.