- 1.OA.A.1
- 1.OA.C.6

Major StandardsSupporting StandardsAdditional Standards

Standard 1.OA.A.1### Prerequisites for 1.OA.A.1

### Upcoming Standards for 1.OA.A.1

### 1st Grade

Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Part of Major Cluster 1.OA.A

The Understood offers evidence-based strategies that benefit all students, especially those with learning differences and attention issues.

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