Show:
Adding hundreds
3-digit addition without regrouping
3-digit addition with regrouping
Simple +/-
Rounding
100

500+300

800

100

305+283

588

100

347+325

672

100

551-100

451

100

Round 432 to the nearest ten

430

200

100+400

500

200

256+611

867

200

271+441

712

200

467+10

477

200

Round 567 to the nearest ten

570

300

500+400

900
300

407+542

949

300

375+416

791

300

463-10-10

443

300

Round 45 to the nearest ten

50

400

800+400

1300

400

632+145

777

400

547+39

386

400

583+100+100

783

400

Round 476 to the nearest hundred

500

500

800+800

1600

500

345+442

787

500

326+277

603

500

699-100-100

499

500

Round 347 to the nearest hundred

300