1) 8 × -5 = -40
2) -7 × -2 = 14
3) -36 ÷ -12 = 3
4) 8 × 8 = 64
5) -8 × -10 = 80
6) -20 ÷ -10 = 2
7) 10 ÷ -2 = -5
8) 4 × -12 = -48
9) -8 ÷ 4 = -2
10) 12 × -8 = -96
11) 11 × -12 = -132
12) -7 × -3 = 21
13) -36 ÷ 6 = -6
14) 10 × -12 = -120
15) -10 × -7 = 70
16) 64 ÷ 8 = 8
17) 7 × 5 = 35
18) -4 × -11 = 44
19) 12 × 7 = 84
20) -40 ÷ -10 = 4