Model the commutative property of multiplication, eg '3 groups of 2 is the same as 2 groups of 3'
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: 4x2 | |
7. | Count in times: 2x3 | |
8. | Count in times: 4x2 |