Show:
Adding hundreds
3-digit addition no regrouping
4-digit addition with regrouping
Crazy Addition
100
200 + 100
300
100

165 + 224

389

100

1083 + 8254

9,337

100

87994+ 67365

155,359

200
400 + 500
900
200
502 + 344
846
200

5684 +2409

8,093

200

7200 + 500

7700

300
700 + 200
900
300
406 + 502
908
300

2277 + 9916

12,193

300

555+ 555

1,110

400
800 + 400
1200
400
662 + 121
783
400

3782 + 4329

8,111

400

899 + 333

1,232

500
900 + 900
1800
500
471 + 110
581
500

9597 + 6562

16,159

500

99999+22222

122,221