25) addition, adding 4-digit numbers Math Worksheets, Math ... - Free Printable

Explanation:
Let's solve each addition problem step by step. We are adding two 4-digit numbers. We add from right to left, starting with the ones place, then the tens, hundreds, and finally the thousands. If the sum in any column is 10 or more, we carry over the extra to the next column on the left.

---

First row:

1. 8341 + 9577
- Ones: 1 + 7 = 8
- Tens: 4 + 7 = 11 → write 1, carry 1
- Hundreds: 3 + 5 = 8, plus 1 = 9
- Thousands: 8 + 9 = 17
→ Answer: 17918

2. 7131 + 1900
- Ones: 1 + 0 = 1
- Tens: 3 + 0 = 3
- Hundreds: 1 + 9 = 10 → write 0, carry 1
- Thousands: 7 + 1 = 8, plus 1 = 9
→ Answer: 9031

3. 1501 + 6494
- Ones: 1 + 4 = 5
- Tens: 0 + 9 = 9
- Hundreds: 5 + 4 = 9
- Thousands: 1 + 6 = 7
→ Answer: 7995

4. 9345 + 6105
- Ones: 5 + 5 = 10 → write 0, carry 1
- Tens: 4 + 0 = 4, plus 1 = 5
- Hundreds: 3 + 1 = 4
- Thousands: 9 + 6 = 15
→ Answer: 15450

5. 9990 + 3348
- Ones: 0 + 8 = 8
- Tens: 9 + 4 = 13 → write 3, carry 1
- Hundreds: 9 + 3 = 12, plus 1 = 13 → write 3, carry 1
- Thousands: 9 + 3 = 12, plus 1 = 13
→ Answer: 13338

---

Second row:

1. 2831 + 8423
- Ones: 1 + 3 = 4
- Tens: 3 + 2 = 5
- Hundreds: 8 + 4 = 12 → write 2, carry 1
- Thousands: 2 + 8 = 10, plus 1 = 11
→ Answer: 11254

2. 6403 + 4856
- Ones: 3 + 6 = 9
- Tens: 0 + 5 = 5
- Hundreds: 4 + 8 = 12 → write 2, carry 1
- Thousands: 6 + 4 = 10, plus 1 = 11
→ Answer: 11259

3. 4895 + 4196
- Ones: 5 + 6 = 11 → write 1, carry 1
- Tens: 9 + 9 = 18, plus 1 = 19 → write 9, carry 1
- Hundreds: 8 + 1 = 9, plus 1 = 10 → write 0, carry 1
- Thousands: 4 + 4 = 8, plus 1 = 9
→ Answer: 9091

4. 3602 + 2286
- Ones: 2 + 6 = 8
- Tens: 0 + 8 = 8
- Hundreds: 6 + 2 = 8
- Thousands: 3 + 2 = 5
→ Answer: 5888

5. 6428 + 3028
- Ones: 8 + 8 = 16 → write 6, carry 1
- Tens: 2 + 2 = 4, plus 1 = 5
- Hundreds: 4 + 0 = 4
- Thousands: 6 + 3 = 9
→ Answer: 9456

---

Third row:

1. 9310 + 3978
- Ones: 0 + 8 = 8
- Tens: 1 + 7 = 8
- Hundreds: 3 + 9 = 12 → write 2, carry 1
- Thousands: 9 + 3 = 12, plus 1 = 13
→ Answer: 13288

2. 8992 + 4023
- Ones: 2 + 3 = 5
- Tens: 9 + 2 = 11 → write 1, carry 1
- Hundreds: 9 + 0 = 9, plus 1 = 10 → write 0, carry 1
- Thousands: 8 + 4 = 12, plus 1 = 13
→ Answer: 13015

3. 4525 + 2060
- Ones: 5 + 0 = 5
- Tens: 2 + 6 = 8
- Hundreds: 5 + 0 = 5
- Thousands: 4 + 2 = 6
→ Answer: 6585

4. 8402 + 3601
- Ones: 2 + 1 = 3
- Tens: 0 + 0 = 0
- Hundreds: 4 + 6 = 10 → write 0, carry 1
- Thousands: 8 + 3 = 11, plus 1 = 12
→ Answer: 12003

5. 4068 + 4553
- Ones: 8 + 3 = 11 → write 1, carry 1
- Tens: 6 + 5 = 11, plus 1 = 12 → write 2, carry 1
- Hundreds: 0 + 5 = 5, plus 1 = 6
- Thousands: 4 + 4 = 8
→ Answer: 8621

---

Fourth row:

1. 8006 + 9128
- Ones: 6 + 8 = 14 → write 4, carry 1
- Tens: 0 + 2 = 2, plus 1 = 3
- Hundreds: 0 + 1 = 1
- Thousands: 8 + 9 = 17
→ Answer: 17134

2. 6652 + 6336
- Ones: 2 + 6 = 8
- Tens: 5 + 3 = 8
- Hundreds: 6 + 3 = 9
- Thousands: 6 + 6 = 12
→ Answer: 12988

3. 7889 + 2822
- Ones: 9 + 2 = 11 → write 1, carry 1
- Tens: 8 + 2 = 10, plus 1 = 11 → write 1, carry 1
- Hundreds: 8 + 8 = 16, plus 1 = 17 → write 7, carry 1
- Thousands: 7 + 2 = 9, plus 1 = 10
→ Answer: 10711

4. 5313 + 6130
- Ones: 3 + 0 = 3
- Tens: 1 + 3 = 4
- Hundreds: 3 + 1 = 4
- Thousands: 5 + 6 = 11
→ Answer: 11443

5. 6380 + 4966
- Ones: 0 + 6 = 6
- Tens: 8 + 6 = 14 → write 4, carry 1
- Hundreds: 3 + 9 = 12, plus 1 = 13 → write 3, carry 1
- Thousands: 6 + 4 = 10, plus 1 = 11
→ Answer: 11346

---

Fifth row:

1. 9614 + 7964
- Ones: 4 + 4 = 8
- Tens: 1 + 6 = 7
- Hundreds: 6 + 9 = 15 → write 5, carry 1
- Thousands: 9 + 7 = 16, plus 1 = 17
→ Answer: 17578

2. 4465 + 3409
- Ones: 5 + 9 = 14 → write 4, carry 1
- Tens: 6 + 0 = 6, plus 1 = 7
- Hundreds: 4 + 4 = 8
- Thousands: 4 + 3 = 7
→ Answer: 7874

3. 3127 + 8835
- Ones: 7 + 5 = 12 → write 2, carry 1
- Tens: 2 + 3 = 5, plus 1 = 6
- Hundreds: 1 + 8 = 9
- Thousands: 3 + 8 = 11
→ Answer: 11962

4. 9324 + 3644
- Ones: 4 + 4 = 8
- Tens: 2 + 4 = 6
- Hundreds: 3 + 6 = 9
- Thousands: 9 + 3 = 12
→ Answer: 12968

5. 7362 + 6289
- Ones: 2 + 9 = 11 → write 1, carry 1
- Tens: 6 + 8 = 14, plus 1 = 15 → write 5, carry 1
- Hundreds: 3 + 2 = 5, plus 1 = 6
- Thousands: 7 + 6 = 13
→ Answer: 13651

---

Final Answer:
17918, 9031, 7995, 15450, 13338, 11254, 11259, 9091, 5888, 9456, 13288, 13015, 6585, 12003, 8621, 17134, 12988, 10711, 11443, 11346, 17578, 7874, 11962, 12968, 13651