Let's solve each of these decimal addition and subtraction problems step by step. We'll align the decimals properly and perform the operations carefully.
---
Problem 1:
3.897 + 1.127
```
3.897
+ 1.127
-------
5.024
```
✔ Answer: 5.024
---
Problem 2:
9.387 - 1.819
```
9.387
- 1.819
-------
7.568
```
✔ Answer: 7.568
---
Problem 3:
1.944 - 1.174
```
1.944
- 1.174
-------
0.770
```
✔ Answer: 0.770 (or
0.77, but keep three decimal places →
0.770)
---
Problem 4:
5.234 + 4.199
```
5.234
+ 4.199
-------
9.433
```
✔ Answer: 9.433
---
Problem 5:
3.092 - 1.308
```
3.092
- 1.308
-------
1.784
```
✔ Answer: 1.784
---
Problem 6:
4.448 - 3.432
```
4.448
- 3.432
-------
1.016
```
✔ Answer: 1.016
---
Problem 7:
9.423 + 3.231
```
9.423
+ 3.231
-------
12.654
```
✔ Answer: 12.654
---
Problem 8:
4.982 - 2.999
```
4.982
- 2.999
-------
1.983
```
✔ Answer: 1.983
---
Problem 9:
7.224 + 6.331
```
7.224
+ 6.331
-------
13.555
```
✔ Answer: 13.555
---
Problem 10:
6.104 - 5.503
```
6.104
- 5.503
-------
0.601
```
✔ Answer: 0.601
---
Problem 11:
5.204 + 5.199
```
5.204
+ 5.199
-------
10.403
```
✔ Answer: 10.403
---
Problem 12:
6.290 + 8.980
```
6.290
+ 8.980
-------
15.270
```
✔ Answer: 15.270
---
Problem 13:
0.987 + 3.442
```
0.987
+ 3.442
-------
4.429
```
✔ Answer: 4.429
---
Problem 14:
7.434 + 6.177
```
7.434
+ 6.177
-------
13.611
```
✔ Answer: 13.611
---
Problem 15:
3.997 - 2.813
```
3.997
- 2.813
-------
1.184
```
✔ Answer: 1.184
---
Problem 16:
3.143 - 0.198
```
3.143
- 0.198
-------
2.945
```
✔ Answer: 2.945
---
✔ Final Answers:
1.
5.024
2.
7.568
3.
0.770
4.
9.433
5.
1.784
6.
1.016
7.
12.654
8.
1.983
9.
13.555
10.
0.601
11.
10.403
12.
15.270
13.
4.429
14.
13.611
15.
1.184
16.
2.945
---
💡
Tip: Always line up the decimal points before adding or subtracting, and make sure to keep the same number of decimal places in your answer (especially thousandths place). If needed, you can add zeros to make numbers have equal length.
Let me know if you'd like this as a printable PDF or need explanations for any specific problem!
Parent Tip: Review the logic above to help your child master the concept of subtracting decimals worksheet year 6.
