36 ÷ 4 = 9
24 ÷ 4 = 6
4 × 3 = 12
80 ÷ 10 = 8
10 × 4 = 40
6 × 4 = 24
9 ÷ 2 = 4 with 1 left over.
12 ÷ 4 = 3
10 × 3 = 30
40 ÷ 5 = 8
30 ÷ 5 = 6
27 ÷ 5 = 5 with 2 left over.
4 × 5 = 20
50 ÷ 5 = 10
4 × 3 = 12