Adding and Subtracting Large Numbers

3 Digit Subtraction

100

472 - 300=n

n=172

200

735 + 558=n

n=1,293

300

500- 487=n

n=13

400

939 + 446=n

n=1,385

500

800-788=n

n=12

4 Digit Subtraction

100

7000 + 3000=n

n=10,000

200

5,567 - 4,756=n

n=811

300

2,986 + 2,198=n

n=5,184

400

8,000 - 6,582=

1,418

500

7,000 + 5,127=n

n=12,127

5 Digit Subtraction

100

13,001 - 11,000

2,001

200

81,493 + 80,394=n

n=161,887

300

88,435 - 12,186

76,249

400

67,633 + 23,224=n

n=90,857

500

90,000-78,769

11,231

6 Digit Subtraction

100

890,975 + 500,032

1,391,007

200

634,933 - 543,048

91,885

300

790,321 + 600,865

1,391,186

400

964,321-890,540

73,781

500

987,234 + 800,999

1,788,233

MEGA HUGE Digit Subtraction.

100

18,997,866 - 13,043,422

5,954,444

200

8,392,489 + 4,582,458=n

n=12,974,947

300

7,355,532 - 6,454,353

901,179

400

7,383,939 + 6,930,004

14,313,943

500

9,000,000-8,883,737

116,263