Let’s solve each problem one by one. Remember the rules for multiplying and dividing integers:
- Positive × Positive = Positive
- Negative × Negative = Positive
- Positive × Negative = Negative
- Same rules apply for division.
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a) 1 × (-4)
→ 1 times -4 is just -4.
Answer:
-4
b) 5 × (+7)
→ 5 times 7 is 35, and both are positive → stays positive.
Answer:
35
c) -3 × (-2)
→ Negative times negative = positive. 3×2=6 → so +6.
Answer:
6
d) -12 × (+8)
→ Negative times positive = negative. 12×8=96 → so -96.
Answer:
-96
e) 3 × (-7)
→ Positive times negative = negative. 3×7=21 → so -21.
Answer:
-21
f) -4 × (-4)
→ Negative times negative = positive. 4×4=16 → so +16.
Answer:
16
g) 12 ÷ (-3)
→ Positive divided by negative = negative. 12÷3=4 → so -4.
Answer:
-4
h) -18 ÷ (+2)
→ Negative divided by positive = negative. 18÷2=9 → so -9.
Answer:
-9
i) 4 ÷ (+2)
→ Positive divided by positive = positive. 4÷2=2.
Answer:
2
j) -20 ÷ (-5)
→ Negative divided by negative = positive. 20÷5=4 → so +4.
Answer:
4
k) -50 ÷ (+10)
→ Negative divided by positive = negative. 50÷10=5 → so -5.
Answer:
-5
l) 33 ÷ (-3)
→ Positive divided by negative = negative. 33÷3=11 → so -11.
Answer:
-11
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Final Answer:
a) -4
b) 35
c) 6
d) -96
e) -21
f) 16
g) -4
h) -9
i) 2
j) 4
k) -5
l) -11
Parent Tip: Review the logic above to help your child master the concept of multiplying and dividing positive and negative numbers worksheet.
