6 counters, 2 equal groups
6 ÷ 3 = 2
6 ÷ 2 = 3
6 ÷ 3 = 3
10 counters, 5 equal groups
10 ÷ 2 = 5
10 ÷ 5 = 2
10 ÷ 5 = 5
4 counters, 2 equal groups
4 ÷ 2 = 6
4 ÷ 4 = 1
4 ÷ 2 = 2
4 ÷ 1 = 3
21 counters, 3 equal groups
21 ÷ 7 = 3
21 ÷ 3 = 7
30 counters, 6 equal groups
30 ÷ 6 = 5
30 ÷ 5 = 6