Here are the solutions to the decimal addition and subtraction problems.
Part 1: Adding Decimals
To add decimals, line up the decimal points vertically. Add zeros to the end of numbers if needed to make them the same length, then add from right to left.
1) $92.88 + 134.66$
* Line them up:
```text
92.88
+134.66
-------
```
* $8 + 6 = 14$ (write 4, carry 1)
* $8 + 6 + 1 = 15$ (write 5, carry 1)
* Place the decimal point.
* $2 + 4 + 1 = 7$
* $9 + 3 = 12$ (write 2, carry 1)
* $1 + 1 = 2$
*
Answer: 227.54
2) $544.407 + 370.403$
* Line them up:
```text
544.407
+ 370.403
---------
```
* $7 + 3 = 10$ (write 0, carry 1)
* $0 + 0 + 1 = 1$
* $4 + 4 = 8$
* Place the decimal point.
* $4 + 0 = 4$
* $4 + 7 = 11$ (write 1, carry 1)
* $5 + 3 + 1 = 9$
*
Answer: 914.810 (or just 914.81)
3) $96.99 + 87.10$
* Line them up:
```text
96.99
+ 87.10
-------
```
* $9 + 0 = 9$
* $9 + 1 = 10$ (write 0, carry 1)
* Place the decimal point.
* $6 + 7 + 1 = 14$ (write 4, carry 1)
* $9 + 8 + 1 = 18$
*
Answer: 184.09
4) $23.35 + 56.76$
Parent Tip: Review the logic above to help your child master the concept of subtracting decimals worksheet year 6.