Sure! Let’s solve each multiplication problem step by step, using the
rules for multiplying integers shown at the top of the worksheet:
---
📝 Multiplying Integers Rules (Recap):
-
Positive × Positive = Positive
Example: `3 × 2 = 6`
-
Negative × Negative = Positive
Example: `(-3) × (-2) = 6`
-
Negative × Positive = Negative
Example: `(-3) × 4 = -12`
-
Positive × Negative = Negative
Example: `3 × (-4) = -12`
In short:
>
Same signs → Positive result
>
Different signs → Negative result
---
Now let’s solve each problem:
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🔢 Problem Solutions:
1. -11 × -2
→ Negative × Negative =
Positive
→ 11 × 2 = 22
✔ Answer: 22
---
2. 5 × -8
→ Positive × Negative =
Negative
→ 5 × 8 = 40
✔ Answer: -40
---
3. -2 × -9
→ Negative × Negative =
Positive
→ 2 × 9 = 18
✔ Answer: 18
---
4. 12 × -1
→ Positive × Negative =
Negative
→ 12 × 1 = 12
✔ Answer: -12
---
5. -11 × -1
→ Negative × Negative =
Positive
→ 11 × 1 = 11
✔ Answer: 11
---
6. -5 × 10
→ Negative × Positive =
Negative
→ 5 × 10 = 50
✔ Answer: -50
---
7. 2 × -6
→ Positive × Negative =
Negative
→ 2 × 6 = 12
✔ Answer: -12
---
8. 4 × 2
→ Positive × Positive =
Positive
→ 4 × 2 = 8
✔ Answer: 8
---
9. -7 × -10
→ Negative × Negative =
Positive
→ 7 × 10 = 70
✔ Answer: 70
---
10. 11 × 5
→ Positive × Positive =
Positive
→ 11 × 5 = 55
✔ Answer: 55
---
11. -2 × 12
→ Negative × Positive =
Negative
→ 2 × 12 = 24
✔ Answer: -24
---
12. -1 × -9
→ Negative × Negative =
Positive
→ 1 × 9 = 9
✔ Answer: 9
---
✔ Final Answers (in order):
1.
22
2.
-40
3.
18
4.
-12
5.
11
6.
-50
7.
-12
8.
8
9.
70
10.
55
11.
-24
12.
9
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You can now fill these in on your worksheet! 😊
Let me know if you’d like a printable version or to check your work again.
Parent Tip: Review the logic above to help your child master the concept of multiplying negative numbers worksheet.
