- Standards (20)
- Lessons (48)
- Activities (52)
- Strategies (0)

Expand Your Content Knowledge

Mathematical Practices

Sources

WATSON RECOMMENDS

Put Watson to the Test!

Look for and make use of repeated reasoning and structure using the addition chart to solve subtraction problems.

1.OA.C.6

1.OA.D.8

MP.7

MP.8

60 min(s)