Let's solve each of these decimal addition problems step by step. The key to adding decimals is to
align the decimal points and then add as you would with whole numbers.
---
Problem Set: Adding Decimals
We'll go through each one:
---
1.
6.2 + 5.5
```
6.2
+ 5.5
------
11.7
```
✔ Answer: 11.7
2.
7.4 + 4.4
```
7.4
+ 4.4
------
11.8
```
✔ Answer: 11.8
3.
4.3 + 7.9
```
4.3
+ 7.9
------
12.2
```
✔ Answer: 12.2
4.
3.7 + 4.2
```
3.7
+ 4.2
------
7.9
```
✔ Answer: 7.9
5.
0.8 + 2.5
```
0.8
+ 2.5
------
3.3
```
✔ Answer: 3.3
6.
9.4 + 6.6
```
9.4
+ 6.6
------
16.0
```
✔ Answer: 16.0 (or just
16)
7.
0.3 + 3.3
```
0.3
+ 3.3
------
3.6
```
✔ Answer: 3.6
8.
8.7 + 9.2
```
8.7
+ 9.2
------
17.9
```
✔ Answer: 17.9
9.
8.3 + 2.0
```
8.3
+ 2.0
------
10.3
```
✔ Answer: 10.3
10.
5.5 + 3.2
```
5.5
+ 3.2
------
8.7
```
✔ Answer: 8.7
11.
0.3 + 4.7
```
0.3
+ 4.7
------
5.0
```
✔ Answer: 5.0 (or
5)
12.
5.8 + 5.1
```
5.8
+ 5.1
------
10.9
```
✔ Answer: 10.9
13.
9.4 + 4.8
```
9.4
+ 4.8
------
14.2
```
✔ Answer: 14.2
14.
6.4 + 3.5
```
6.4
+ 3.5
------
9.9
```
✔ Answer: 9.9
15.
4.3 + 8.8
```
4.3
+ 8.8
------
13.1
```
✔ Answer: 13.1
16.
3.3 + 2.3
```
3.3
+ 2.3
------
5.6
```
✔ Answer: 5.6
17.
5.6 + 4.8
```
5.6
+ 4.8
------
10.4
```
✔ Answer: 10.4
18.
3.8 + 6.1
```
3.8
+ 6.1
------
9.9
```
✔ Answer: 9.9
19.
1.3 + 8.8
```
1.3
+ 8.8
------
10.1
```
✔ Answer: 10.1
20.
2.7 + 4.7
```
2.7
+ 4.7
------
7.4
```
✔ Answer: 7.4
---
✔ Final Answers:
1. 11.7
2. 11.8
3. 12.2
4. 7.9
5. 3.3
6. 16.0
7. 3.6
8. 17.9
9. 10.3
10. 8.7
11. 5.0
12. 10.9
13. 14.2
14. 9.9
15. 13.1
16. 5.6
17. 10.4
18. 9.9
19. 10.1
20. 7.4
---
🔍 Tips for Adding Decimals:
- Always line up the
decimal points.
- Add zeros if needed to make the numbers the same length (e.g., 5.5 = 5.50).
- Add normally, then place the decimal point in the answer directly below the others.
Let me know if you'd like this as a printable worksheet or want help checking your work! 😊
Parent Tip: Review the logic above to help your child master the concept of free printable worksheets addition decimals.