Math Workbook Grade 3 & 4 Addition, Subtraction, Multiplication - Free Printable
Educational worksheet: Math Workbook Grade 3 & 4 Addition, Subtraction, Multiplication. Download and print for classroom or home learning activities.
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Show Answer Key & Explanations
Step-by-step solution for: Math Workbook Grade 3 & 4 Addition, Subtraction, Multiplication
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Show Answer Key & Explanations
Step-by-step solution for: Math Workbook Grade 3 & 4 Addition, Subtraction, Multiplication
Let's solve the addition problems in the worksheet step by step. The task is to add 3-digit numbers in columns without regrouping, which means we only add digits in each column (ones, tens, hundreds) and do not carry over any digits.
We will go through each problem one by one:
---
```
152
+ 102
-----
```
- Ones: 2 + 2 = 4
- Tens: 5 + 0 = 5
- Hundreds: 1 + 1 = 2
→ 254
---
```
720
+ 139
-----
```
- Ones: 0 + 9 = 9
- Tens: 2 + 3 = 5
- Hundreds: 7 + 1 = 8
→ 859
---
```
854
+ 130
-----
```
- Ones: 4 + 0 = 4
- Tens: 5 + 3 = 8
- Hundreds: 8 + 1 = 9
→ 984
---
```
220
+ 542
-----
```
- Ones: 0 + 2 = 2
- Tens: 2 + 4 = 6
- Hundreds: 2 + 5 = 7
→ 762
---
```
833
+ 104
-----
```
- Ones: 3 + 4 = 7
- Tens: 3 + 0 = 3
- Hundreds: 8 + 1 = 9
→ 937
---
```
395
+ 103
-----
```
- Ones: 5 + 3 = 8
- Tens: 9 + 0 = 9
- Hundreds: 3 + 1 = 4
→ 498
---
```
151
+ 313
-----
```
- Ones: 1 + 3 = 4
- Tens: 5 + 1 = 6
- Hundreds: 1 + 3 = 4
→ 464
---
```
226
+ 622
-----
```
- Ones: 6 + 2 = 8
- Tens: 2 + 2 = 4
- Hundreds: 2 + 6 = 8
→ 848
---
```
100
+ 490
-----
```
- Ones: 0 + 0 = 0
- Tens: 0 + 9 = 9
- Hundreds: 1 + 4 = 5
→ 590
---
```
790
+ 104
-----
```
- Ones: 0 + 4 = 4
- Tens: 9 + 0 = 9
- Hundreds: 7 + 1 = 8
→ 894
---
```
224
+ 554
-----
```
- Ones: 4 + 4 = 8
- Tens: 2 + 5 = 7
- Hundreds: 2 + 5 = 7
→ 778
---
```
631
+ 241
-----
```
- Ones: 1 + 1 = 2
- Tens: 3 + 4 = 7
- Hundreds: 6 + 2 = 8
→ 872
---
```
324
+ 271
-----
```
- Ones: 4 + 1 = 5
- Tens: 2 + 7 = 9
- Hundreds: 3 + 2 = 5
→ 595
---
```
117
+ 130
-----
```
- Ones: 7 + 0 = 7
- Tens: 1 + 3 = 4
- Hundreds: 1 + 1 = 2
→ 247
---
```
703
+ 202
-----
```
- Ones: 3 + 2 = 5
- Tens: 0 + 0 = 0
- Hundreds: 7 + 2 = 9
→ 905
---
```
434
+ 121
-----
```
- Ones: 4 + 1 = 5
- Tens: 3 + 2 = 5
- Hundreds: 4 + 1 = 5
→ 555
---
```
74
+ 124
-----
```
(Note: 74 is a 2-digit number, but we can still add it as if it were 074)
- Ones: 4 + 4 = 8
- Tens: 7 + 2 = 9
- Hundreds: 0 + 1 = 1
→ 198
---
```
32
+ 12
-----
```
(32 + 12)
- Ones: 2 + 2 = 4
- Tens: 3 + 1 = 4
→ 44
---
```
254
+ 120
-----
```
- Ones: 4 + 0 = 4
- Tens: 5 + 2 = 7
- Hundreds: 2 + 1 = 3
→ 374
---
```
80
+ 408
-----
```
(80 = 080)
- Ones: 0 + 8 = 8
- Tens: 8 + 0 = 8
- Hundreds: 0 + 4 = 4
→ 488
---
1. 254
2. 859
3. 984
4. 762
5. 937
6. 498
7. 464
8. 848
9. 590
10. 894
11. 778
12. 872
13. 595
14. 247
15. 905
16. 555
17. 198
18. 44
19. 374
20. 488
---
Since this is no regrouping, we just add each column independently:
- Add ones place digits.
- Add tens place digits.
- Add hundreds place digits.
No carrying over is needed because all sums in each column are less than 10.
This method helps students understand place value and build confidence in addition before introducing regrouping.
Let me know if you'd like this formatted as a printable answer sheet!
We will go through each problem one by one:
---
1.
```
152
+ 102
-----
```
- Ones: 2 + 2 = 4
- Tens: 5 + 0 = 5
- Hundreds: 1 + 1 = 2
→ 254
---
2.
```
720
+ 139
-----
```
- Ones: 0 + 9 = 9
- Tens: 2 + 3 = 5
- Hundreds: 7 + 1 = 8
→ 859
---
3.
```
854
+ 130
-----
```
- Ones: 4 + 0 = 4
- Tens: 5 + 3 = 8
- Hundreds: 8 + 1 = 9
→ 984
---
4.
```
220
+ 542
-----
```
- Ones: 0 + 2 = 2
- Tens: 2 + 4 = 6
- Hundreds: 2 + 5 = 7
→ 762
---
5.
```
833
+ 104
-----
```
- Ones: 3 + 4 = 7
- Tens: 3 + 0 = 3
- Hundreds: 8 + 1 = 9
→ 937
---
6.
```
395
+ 103
-----
```
- Ones: 5 + 3 = 8
- Tens: 9 + 0 = 9
- Hundreds: 3 + 1 = 4
→ 498
---
7.
```
151
+ 313
-----
```
- Ones: 1 + 3 = 4
- Tens: 5 + 1 = 6
- Hundreds: 1 + 3 = 4
→ 464
---
8.
```
226
+ 622
-----
```
- Ones: 6 + 2 = 8
- Tens: 2 + 2 = 4
- Hundreds: 2 + 6 = 8
→ 848
---
9.
```
100
+ 490
-----
```
- Ones: 0 + 0 = 0
- Tens: 0 + 9 = 9
- Hundreds: 1 + 4 = 5
→ 590
---
10.
```
790
+ 104
-----
```
- Ones: 0 + 4 = 4
- Tens: 9 + 0 = 9
- Hundreds: 7 + 1 = 8
→ 894
---
11.
```
224
+ 554
-----
```
- Ones: 4 + 4 = 8
- Tens: 2 + 5 = 7
- Hundreds: 2 + 5 = 7
→ 778
---
12.
```
631
+ 241
-----
```
- Ones: 1 + 1 = 2
- Tens: 3 + 4 = 7
- Hundreds: 6 + 2 = 8
→ 872
---
13.
```
324
+ 271
-----
```
- Ones: 4 + 1 = 5
- Tens: 2 + 7 = 9
- Hundreds: 3 + 2 = 5
→ 595
---
14.
```
117
+ 130
-----
```
- Ones: 7 + 0 = 7
- Tens: 1 + 3 = 4
- Hundreds: 1 + 1 = 2
→ 247
---
15.
```
703
+ 202
-----
```
- Ones: 3 + 2 = 5
- Tens: 0 + 0 = 0
- Hundreds: 7 + 2 = 9
→ 905
---
16.
```
434
+ 121
-----
```
- Ones: 4 + 1 = 5
- Tens: 3 + 2 = 5
- Hundreds: 4 + 1 = 5
→ 555
---
17.
```
74
+ 124
-----
```
(Note: 74 is a 2-digit number, but we can still add it as if it were 074)
- Ones: 4 + 4 = 8
- Tens: 7 + 2 = 9
- Hundreds: 0 + 1 = 1
→ 198
---
18.
```
32
+ 12
-----
```
(32 + 12)
- Ones: 2 + 2 = 4
- Tens: 3 + 1 = 4
→ 44
---
19.
```
254
+ 120
-----
```
- Ones: 4 + 0 = 4
- Tens: 5 + 2 = 7
- Hundreds: 2 + 1 = 3
→ 374
---
20.
```
80
+ 408
-----
```
(80 = 080)
- Ones: 0 + 8 = 8
- Tens: 8 + 0 = 8
- Hundreds: 0 + 4 = 4
→ 488
---
✔ Final Answers:
1. 254
2. 859
3. 984
4. 762
5. 937
6. 498
7. 464
8. 848
9. 590
10. 894
11. 778
12. 872
13. 595
14. 247
15. 905
16. 555
17. 198
18. 44
19. 374
20. 488
---
🔍 Explanation:
Since this is no regrouping, we just add each column independently:
- Add ones place digits.
- Add tens place digits.
- Add hundreds place digits.
No carrying over is needed because all sums in each column are less than 10.
This method helps students understand place value and build confidence in addition before introducing regrouping.
Let me know if you'd like this formatted as a printable answer sheet!
Parent Tip: Review the logic above to help your child master the concept of math worksheets grade 3.
