2.OA.4
Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
| 1. | Choose the array with the same no. of counters: 3x2 | |
| 2. | Choose the array with the same no. of counters: 2x4 | |
| 3. | Choose the array with the same no. of counters: 3x4 | |
| 4. | Choose the array with the same no. of counters: 5x3 | |
| 5. | Count in times: 3x2 | |
| 6. | Count in times: 5x2 | |
| 7. | Count in times: 4x2 | |
| 8. | Count in times: 6x2 | |
| 9. | Count in times: 2x3 | |
| 10. | Count in times: 4x2 | |
| 11. | Count in times: 5x2 | |
| 12. | Count in times: 6x2 | |
| 13. | Count in times: 4x3 | |
| 14. | Count in times: 4x3 | |
| 15. | Count in times: 3x3 | |
| 16. | Count in times: 3x5 |