1.OA.2
Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.
| 1. | At the Zoo: 5 + 4 + 2 | |
| 2. | How many people altogether? 6+4+3 | |
| 3. | Ball skills: How many more to make 10? 7+2+? | |
| 4. | Ball skills: How many more to make 10? 6+3+? | |
| 5. | Ball skills: How many more to make 10? 5+3+? | |
| 6. | Ball skills: How many more to make 10? 7+1+? | |
| 7. | Ball skills: How many more to make 10? 2+3+? | |
| 8. | Making 10 - Choose 3 groups that add to 10 | |
| 9. | At the Zoo: 4 + 3 + 4 | |
| 10. | Bessie catches bugs: 2+2+2 | |
| 11. | Ben's toy soldiers: 2+2+2=? |