Here are 100 multiplication problems involving positive and negative signs (integers only).
Work out each one carefully — remember the sign rules:
- positive × positive = positive
- negative × negative = positive
- positive × negative = negative
- negative × positive = negative
- 12 × (−7)
- −8 × 9
- −15 × (−4)
- 25 × (−3)
- −6 × (−11)
- 14 × 6
- −20 × (−5)
- −9 × 13
- 7 × (−16)
- −18 × (−2)
- 30 × (−4)
- −11 × 8
- −24 × (−3)
- 5 × (−19)
- −13 × (−10)
- −7 × 12
- 22 × (−6)
- −16 × (−7)
- 9 × (−14)
- −25 × 5
- −4 × (−28)
- 17 × (−8)
- −32 × (−2)
- −10 × 15
- 6 × (−21)
- −19 × (−4)
- 8 × (−13)
- −27 × 3
- −5 × (−18)
- 23 × (−7)
- −14 × (−9)
- 11 × (−16)
- −35 × (−1)
- −8 × 20
- 4 × (−26)
- −22 × (−5)
- −12 × 17
- 15 × (−9)
- −29 × (−3)
- −6 × 24
- 18 × (−11)
- −21 × (−8)
- 13 × (−15)
- −33 × 4
- −9 × (−23)
- 7 × (−20)
- −16 × (−12)
- −25 × 10
- 28 × (−5)
- −14 × (−13)
- −3 × 31
- 19 × (−7)
- −40 × (−2)
- −11 × 18
- 5 × (−34)
- −26 × (−6)
- 10 × (−17)
- −30 × 9
- −7 × (−29)
- 24 × (−8)
- −15 × (−14)
- −4 × 36
- 12 × (−19)
- −38 × (−3)
- −20 × 11
- 9 × (−25)
- −17 × (−10)
- 16 × (−13)
- −22 × 7
- −5 × (−32)
- 27 × (−6)
- −13 × (−19)
- −8 × 23
- 14 × (−18)
- −36 × (−4)
- −10 × 29
- 21 × (−11)
- −24 × (−9)
- −15 × 16
- 6 × (−33)
- −28 × (−7)
- 25 × (−12)
- −9 × 26
- −31 × (−5)
- 3 × (−37)
- −18 × (−17)
- 8 × (−22)
- −34 × 4
- −12 × (−25)
- 20 × (−14)
- −19 × (−13)
- −7 × 38
- 11 × (−29)
- −42 × (−2)
- −16 × 15
- 13 × (−24)
- −27 × (−8)
- 17 × (−21)
- −5 × 45
- −23 × (−11)