Let’s solve each problem step by step using the number line method shown in the examples.
Remember:
- Adding a
positive integer means moving
right on the number line.
- Adding a
negative integer means moving
left on the number line.
---
a. 4 + (-6) = ?
Start at 4.
Add -6 → move 6 steps to the left.
4 → 3 → 2 → 1 → 0 → -1 →
-2
✔ Answer:
-2
---
b. -3 + 6 = ?
Start at -3.
Add 6 → move 6 steps to the right.
-3 → -2 → -1 → 0 → 1 → 2 →
3
✔ Answer:
3
---
c. -1 + (-2) = ?
Start at -1.
Add -2 → move 2 steps to the left.
-1 → -2 →
-3
✔ Answer:
-3
---
d. 0 + (-5) = ?
Start at 0.
Add -5 → move 5 steps to the left.
0 → -1 → -2 → -3 → -4 →
-5
✔ Answer:
-5
---
e. -4 + 5 = ?
Start at -4.
Add 5 → move 5 steps to the right.
-4 → -3 → -2 → -1 → 0 →
1
✔ Answer:
1
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Final Answer:
a. -2
b. 3
c. -3
d. -5
e. 1
Parent Tip: Review the logic above to help your child master the concept of adding integers using a number line worksheet.
