1) -7 × 4 = -28
2) 11 × 10 = 110
3) 21 ÷ 3 = 7
4) -11 × 2 = -22
5) 7 × -9 = -63
6) -7 × -8 = 56
7) 3 × -9 = -27
8) 56 ÷ 7 = 8
9) -2 × -9 = 18
10) 10 × -5 = -50
11) 12 × -4 = -48
12) -35 ÷ 7 = -5
13) 90 ÷ 9 = 10
14) -11 × -5 = 55
15) 8 × -5 = -40
16) 40 ÷ 8 = 5
17) -10 × 6 = -60
18) -12 ÷ 2 = -6
19) 6 ÷ -3 = -2
20) 66 ÷ 11 = 6