Let’s solve each problem one by one. We’ll do the math carefully and write down the answers.
---
1. 0.6 × 0.2
Multiply:
0.6 × 0.2 = 0.12
✔ Answer:
0.12
---
2. 3.2 - 0.83
Line up decimals:
```
3.20
- 0.83
------
2.37
```
✔ Answer:
2.37
---
3. 5.08 + 2.92
Add:
```
5.08
+ 2.92
------
8.00
```
✔ Answer:
8.00 (or just
8)
---
4. 4 ) 0.38 → This means 0.38 ÷ 4
Divide 0.38 by 4:
0.38 ÷ 4 = 0.095
✔ Answer:
0.095
---
5. 2.5 × 21.4
Multiply:
First, ignore decimals: 25 × 214 = ?
25 × 200 = 5000
25 × 14 = 350
Total = 5000 + 350 = 5350
Now count decimal places:
2.5 has 1 decimal place
21.4 has 1 decimal place
Total = 2 decimal places
So, 5350 → move decimal 2 places left →
53.50
✔ Answer:
53.5
---
6. 3 - 1.23
Write as:
```
3.00
- 1.23
------
1.77
```
✔ Answer:
1.77
---
7. 0.45 + 4.6
Align decimals:
```
0.45
+ 4.60
------
5.05
```
✔ Answer:
5.05
---
8. 0.5 ) 4.27 → 4.27 ÷ 0.5
Dividing by 0.5 is same as multiplying by 2.
4.27 × 2 = 8.54
✔ Answer:
8.54
---
9. 3.6 × 0.85
Multiply:
Ignore decimals: 36 × 85
36 × 80 = 2880
36 × 5 = 180
Total = 2880 + 180 = 3060
Decimal places:
3.6 → 1
0.85 → 2
Total = 3 decimal places
→ 3060 → move decimal 3 places left →
3.060 → which is
3.06
✔ Answer:
3.06
---
10. 18 - 3.83
```
18.00
- 3.83
-------
14.17
```
✔ Answer:
14.17
---
11. 6 ) 58.2 → 58.2 ÷ 6
Divide:
6 × 9 = 54 → subtract from 58.2 → remainder 4.2
6 × 0.7 = 4.2 → so total = 9.7
✔ Answer:
9.7
---
12. 4.271 + 1.629
Add:
```
4.271
+ 1.629
-------
5.900
```
✔ Answer:
5.9
---
13. 2.2 ) 68.2 → 68.2 ÷ 2.2
To make it easier, multiply numerator and denominator by 10:
682 ÷ 22
22 × 31 = 682 → because 22×30=660, 22×1=22 → 660+22=682
✔ Answer:
31
---
14. 1.4 × 4.7
Multiply:
14 × 47 = ?
14 × 40 = 560
14 × 7 = 98
Total = 560 + 98 = 658
Decimal places: 1 + 1 = 2 → so 6.58
✔ Answer:
6.58
---
15. 24.17 - 19.3
Write as:
```
24.17
- 19.30
-------
4.87
```
✔ Answer:
4.87
---
16. 28 × 0.05
28 × 5 = 140 → then divide by 100 (because 0.05 = 5/100) → 1.40
✔ Answer:
1.4
---
17. 8.7 + 0.87
```
8.70
+ 0.87
------
9.57
```
✔ Answer:
9.57
---
18. .03 ) 0.228 → 0.228 ÷ 0.03
Multiply top and bottom by 100:
22.8 ÷ 3 = 7.6
✔ Answer:
7.6
---
19. 18.402 + 2.598
Add:
```
18.402
+ 2.598
--------
21.000
```
✔ Answer:
21
---
20. 0.15 ) 1.68 → 1.68 ÷ 0.15
Multiply top and bottom by 100:
168 ÷ 15
15 × 11 = 165 → remainder 3 → 3/15 = 0.2 → so 11.2
✔ Answer:
11.2
---
21. 4.003 - 3.614
```
4.003
- 3.614
-------
0.389
```
✔ Answer:
0.389
---
22. 0.567 + 4.433
```
0.567
+ 4.433
-------
5.000
```
✔ Answer:
5
---
Final Answer:
Here are all the answers in order:
1. 0.12
2. 2.37
3. 8
4. 0.095
5. 53.5
6. 1.77
7. 5.05
8. 8.54
9. 3.06
10. 14.17
11. 9.7
12. 5.9
13. 31
14. 6.58
15. 4.87
16. 1.4
17. 9.57
18. 7.6
19. 21
20. 11.2
21. 0.389
22. 5
Parent Tip: Review the logic above to help your child master the concept of search and shade math worksheet answers.
