Grade 6 math worksheet focusing on adding large whole numbers.

Let’s solve each addition problem step by step.

We’ll add the numbers column by column, starting from the right (ones place), and carry over if needed.

---

1. 27,234 + 95,201

```
27,234
+ 95,201
--------
122,435
```

→ 4+1=5, 3+0=3, 2+2=4, 7+5=12 (write 2, carry 1), 2+9+1=12 → 122,435

---

2. 640,291 + 878,141

```
640,291
+ 878,141
---------
1,518,432
```

→ 1+1=2, 9+4=13 (3, carry 1), 2+1+1=4, 0+8=8, 4+7=11 (1, carry 1), 6+8+1=15 → 1,518,432

---

3. 952,575 + 83,392

```
952,575
+ 83,392
---------
1,035,967
```

→ 5+2=7, 7+9=16 (6, carry 1), 5+3+1=9, 2+3=5, 5+8=13 (3, carry 1), 9+0+1=10 → 1,035,967

---

4. 528,593 + 96,177

```
528,593
+ 96,177
---------
624,770
```

→ 3+7=10 (0, carry 1), 9+7+1=17 (7, carry 1), 5+1+1=7, 8+6=14 (4, carry 1), 2+9+1=12 (2, carry 1), 5+0+1=6 → 624,770

---

5. 620,996 + 812,712

```
620,996
+ 812,712
---------
1,433,708
```

→ 6+2=8, 9+1=10 (0, carry 1), 9+7+1=17 (7, carry 1), 0+2+1=3, 2+1=3, 6+8=14 → 1,433,708

---

6. 888,435 + 102,850

```
888,435
+ 102,850
---------
991,285
```

→ 5+0=5, 3+5=8, 4+8=12 (2, carry 1), 8+2+1=11 (1, carry 1), 8+0+1=9, 8+1=9 → 991,285

---

7. 581,354 + 158,414

```
581,354
+ 158,414
---------
739,768
```

→ 4+4=8, 5+1=6, 3+4=7, 1+8=9, 8+5=13 (3, carry 1), 5+1+1=7 → 739,768

---

8. 191,191 + 607,475

```
191,191
+ 607,475
---------
798,666
```

→ 1+5=6, 9+7=16 (6, carry 1), 1+4+1=6, 1+7=8, 9+0=9, 1+6=7 → 798,666

---

9. 487,693 + 180,034

```
487,693
+ 180,034
---------
667,727
```

→ 3+4=7, 9+3=12 (2, carry 1), 6+0+1=7, 7+0=7, 8+8=16 (6, carry 1), 4+1+1=6 → 667,727

---

10. 273,119 + 205,411

```
273,119
+ 205,411
---------
478,530
```

→ 9+1=10 (0, carry 1), 1+1+1=3, 1+4=5, 3+5=8, 7+0=7, 2+2=4 → 478,530

---

11. 964,562 + 974,966

```
964,562
+ 974,966
---------
1,939,528
```

→ 2+6=8, 6+6=12 (2, carry 1), 5+9+1=15 (5, carry 1), 4+4+1=9, 6+7=13 (3, carry 1), 9+9+1=19 → 1,939,528

---

12. 838,095 + 30,477

```
838,095
+ 30,477
---------
868,572
```

→ 5+7=12 (2, carry 1), 9+7+1=17 (7, carry 1), 0+4+1=5, 8+0=8, 3+3=6, 8+0=8 → 868,572

---

Final Answer:
1. 122,435
2. 1,518,432
3. 1,035,967
4. 624,770
5. 1,433,708
6. 991,285
7. 739,768
8. 798,666
9. 667,727
10. 478,530
11. 1,939,528
12. 868,572