Show:
Mixed
3-digit addition no regrouping
3-digit addtion with regrouping
Simple addition
Vocab
100

250 + 150

400
100
165 + 224
389
100
183 + 854
1,037
100

600 + 600

6 + 6

100

Will an answer to an addition problem be larger or smaller?

larger

200

426 + 278

704

200
502 + 344
846
200
84 +209
293
200
700 + 500
7 + 5
200

When do you regroup

when a place value adds up to over 9

300

727 + 456. Do you need to regroup? 

Yes

300
406 + 502
908
300
277 + 216
493
300
900 + 200
9 + 2
300

When do you not regroup?

When a place value is 9 or under

400

420+435. Do you need to regroup?

No
400
662 + 121
783
400

382 + 129

511

400
800 + 300
8 + 3
400

Answer to addition problem

sum

500

839 + 122

961

500
471 + 110
581
500
567 + 562
1,129
500
300 + 600
3 + 6
500

numbers being adding in an addition problem

addends