Let's solve each addition problem using the number line method as shown in the worksheet. The idea is to
start at the first number and
jump forward by the amount of the second number to find the sum.
---
1) 6 + 7 = ?
- Start at
6 on the number line.
- Jump forward
7 steps:
6 → 7 (1), 8 (2), 9 (3), 10 (4), 11 (5), 12 (6), 13 (7)
- Final answer:
13
✔ Answer: 13
---
2) 14 + 4 = ?
- Start at
14.
- Jump forward
4 steps:
14 → 15 (1), 16 (2), 17 (3), 18 (4)
- Final answer:
18
✔ Answer: 18
---
3) 9 + 5 = ?
- Start at
9.
- Jump forward
5 steps:
9 → 10 (1), 11 (2), 12 (3), 13 (4), 14 (5)
- Final answer:
14
✔ Answer: 14
---
4) 12 + 3 = ?
- Start at
12.
- Jump forward
3 steps:
12 → 13 (1), 14 (2), 15 (3)
- Final answer:
15
✔ Answer: 15
---
5) 15 + 5 = ?
- Start at
15.
- Jump forward
5 steps:
15 → 16 (1), 17 (2), 18 (3), 19 (4), 20 (5)
- Final answer:
20
✔ Answer: 20
---
6) 4 + 8 = ?
- Start at
4.
- Jump forward
8 steps:
4 → 5 (1), 6 (2), 7 (3), 8 (4), 9 (5), 10 (6), 11 (7), 12 (8)
- Final answer:
12
✔ Answer: 12
---
7) 11 + 4 = ?
- Start at
11.
- Jump forward
4 steps:
11 → 12 (1), 13 (2), 14 (3), 15 (4)
- Final answer:
15
✔ Answer: 15
---
8) 18 + 2 = ?
- Start at
18.
- Jump forward
2 steps:
18 → 19 (1), 20 (2)
- Final answer:
20
✔ Answer: 20
---
✔ Final Answers:
1) 13
2) 18
3) 14
4) 15
5) 20
6) 12
7) 15
8) 20
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💡
Tip: Using a number line helps visualize addition and builds number sense, especially for young learners. Each jump represents one unit added.
Let me know if you'd like this turned into a printable version or explained with visuals!
Parent Tip: Review the logic above to help your child master the concept of addition worksheet using a number line.
