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Addition without regrouping
Addition with regrouping in ones
Addition with regrouping in tens
Addition with regrouping in tens and ones
Challenge problems
100

238 + 121 = ?

359

100

778 + 119 = ?

897

100

534 + 283 = ?

817

100

488 + 123 = ?

611

100

576 + 633 = ?

1,209

200

500 + 436 = ?

936

200

568 + 123 = ?

691

200

648 + 161 = ?

809

200

56 + 257 = ?

313

200
999 + 999 = ?

1,998

300

932 + 34 = ?

966

300

408 + 83 = ?

491

300

65 + 652 = ?

717

300

199 + 99 = ?

298

300

1,284 + 358 = ?

1,642

400

345 + 243 = ?

588

400

126 + 657 = ?

783

400

869 + 50 = ?

919

400

488 + 233 = ?

721

400

986 + 765 = ?

1,751

500

762 + 21 = ?

783

500

717 + 279 = ?

996

500

533 + 274 = ?

807
500

694 + 276 = ?

970

500

23,453 + 4,572 = ?

28,025