Let's solve the
Multiplication of Integers worksheet step by step.
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Rules for Multiplying Integers:
1.
Positive × Positive = Positive
Example: $ 3 \times 4 = 12 $
2.
Negative × Negative = Positive
Example: $ -3 \times -4 = 12 $
3.
Positive × Negative = Negative
Example: $ 3 \times -4 = -12 $
4.
Any number × 0 = 0
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Now, let’s solve each problem:
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1. $ 7 \times -2 = $
→ Positive × Negative = Negative
$ 7 \times 2 = 14 $ → So, $ -14 $
✔ Answer: -14
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2. $ 5 \times -4 = $
→ Positive × Negative = Negative
$ 5 \times 4 = 20 $ → So, $ -20 $
✔ Answer: -20
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3. $ -7 \times 7 = $
→ Negative × Positive = Negative
$ 7 \times 7 = 49 $ → So, $ -49 $
✔ Answer: -49
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4. $ 5 \times 7 = $
→ Positive × Positive = Positive
$ 5 \times 7 = 35 $
✔ Answer: 35
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5. $ 10 \times -5 = $
→ Positive × Negative = Negative
$ 10 \times 5 = 50 $ → So, $ -50 $
✔ Answer: -50
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6. $ -6 \times 8 = $
→ Negative × Positive = Negative
$ 6 \times 8 = 48 $ → So, $ -48 $
✔ Answer: -48
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7. $ -10 \times 2 = $
→ Negative × Positive = Negative
$ 10 \times 2 = 20 $ → So, $ -20 $
✔ Answer: -20
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8. $ -7 \times 5 = $
→ Negative × Positive = Negative
$ 7 \times 5 = 35 $ → So, $ -35 $
✔ Answer: -35
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9. $ -3 \times 6 = $
→ Negative × Positive = Negative
$ 3 \times 6 = 18 $ → So, $ -18 $
✔ Answer: -18
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10. $ 9 \times 7 = $
→ Positive × Positive = Positive
$ 9 \times 7 = 63 $
✔ Answer: 63
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11. $ 4 \times -9 = $
→ Positive × Negative = Negative
$ 4 \times 9 = 36 $ → So, $ -36 $
✔ Answer: -36
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12. $ -4 \times 10 = $
→ Negative × Positive = Negative
$ 4 \times 10 = 40 $ → So, $ -40 $
✔ Answer: -40
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13. $ 5 \times -3 = $
→ Positive × Negative = Negative
$ 5 \times 3 = 15 $ → So, $ -15 $
✔ Answer: -15
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14. $ -4 \times -9 = $
→ Negative × Negative = Positive
$ 4 \times 9 = 36 $ → So, $ +36 $
✔ Answer: 36
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15. $ 1 \times 3 = $
→ Positive × Positive = Positive
$ 1 \times 3 = 3 $
✔ Answer: 3
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16. $ -4 \times 0 = $
→ Any number × 0 = 0
✔ Answer: 0
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17. $ -5 \times -1 = $
→ Negative × Negative = Positive
$ 5 \times 1 = 5 $ → So, $ +5 $
✔ Answer: 5
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18. $ -5 \times 5 = $
→ Negative × Positive = Negative
$ 5 \times 5 = 25 $ → So, $ -25 $
✔ Answer: -25
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✔ Final Answers:
1. -14
2. -20
3. -49
4. 35
5. -50
6. -48
7. -20
8. -35
9. -18
10. 63
11. -36
12. -40
13. -15
14. 36
15. 3
16. 0
17. 5
18. -25
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Parent Tip: Review the logic above to help your child master the concept of integer multiplication worksheet.