Let's solve the
Multiplying Integers worksheet step by step, using the rules provided:
Rules for Multiplying Integers:
1.
Positive × Positive = Positive
Example: 3 × 2 = 6
2.
Negative × Negative = Positive
Example: (-2) × (-3) = 6
3.
Negative × Positive = Negative
Example: (-3) × 4 = -12
4.
Positive × Negative = Negative
Example: 3 × (-4) = -12
---
Now let’s solve each problem:
---
1.
-11 × -2
→ Negative × Negative = Positive
→ 11 × 2 = 22
✔ Answer: 22
2.
5 × -8
→ Positive × Negative = Negative
→ 5 × 8 = 40 → then negative
✔ Answer: -40
3.
-2 × -9
→ Negative × Negative = Positive
→ 2 × 9 = 18
✔ Answer: 18
4.
12 × -1
→ Positive × Negative = Negative
→ 12 × 1 = 12 → then negative
✔ Answer: -12
5.
-11 × -1
→ Negative × Negative = Positive
→ 11 × 1 = 11
✔ Answer: 11
6.
-5 × 10
→ Negative × Positive = Negative
→ 5 × 10 = 50 → then negative
✔ Answer: -50
7.
2 × -6
→ Positive × Negative = Negative
→ 2 × 6 = 12 → then negative
✔ 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 → then negative
✔ Answer: -24
12.
-1 × -9
→ Negative × Negative = Positive
→ 1 × 9 = 9
✔ Answer: 9
---
✔ Final Answers:
1. 22
2. -40
3. 18
4. -12
5. 11
6. -50
7. -12
8. 8
9. 70
10. 55
11. -24
12. 9
---
🔍 Summary of Rules Used:
- When signs are the
same, the product is
positive.
- When signs are
different, the product is
negative.
This pattern applies to all multiplication problems with integers.
Let me know if you'd like this in a printable format or need help with division too!
Parent Tip: Review the logic above to help your child master the concept of multiplication of integers worksheet.
