Sure! Let’s solve each problem step by step using the
number line method, as requested. The key idea is:
> To add a positive number → move
right on the number line.
> To add a negative number → move
left on the number line.
---
Problem 1: 7 + (-5)
- Start at
7 on the number line.
- Add
-5 → move
5 units to the left.
- 7 → 6 → 5 → 4 → 3 →
2
✔ Answer: 2
---
Problem 2: -6 + 1
- Start at
-6 on the number line.
- Add
+1 → move
1 unit to the right.
- -6 →
-5
✔ Answer: -5
---
Problem 3: -2 + (-4)
- Start at
-2.
- Add
-4 → move
4 units to the left.
- -2 → -3 → -4 → -5 →
-6
✔ Answer: -6
---
Problem 4: 0 + 6
- Start at
0.
- Add
+6 → move
6 units to the right.
- 0 → 1 → 2 → 3 → 4 → 5 →
6
✔ Answer: 6
---
Problem 5: 5 + (-10)
- Start at
5.
- Add
-10 → move
10 units to the left.
- 5 → 4 → 3 → 2 → 1 → 0 → -1 → -2 → -3 → -4 →
-5
✔ Answer: -5
---
##
✔ Final Answers:
1)
2
2)
-5
3)
-6
4)
6
5)
-5
---
📌 Summary of Number Line Addition Rules:
-
Positive addend = move
right
-
Negative addend = move
left
- Always start from the
first number in the expression.
Let me know if you’d like to visualize any of these with a drawn number line!
Parent Tip: Review the logic above to help your child master the concept of integer addition problems worksheet.
