3 digit additon and subtraction, 10 and 100 more/less

3 digit addition

100

147 + 221

368

200

447+ 442

889

300

225 + 691

916

400

745 + 192

937

500

258+258

516

3 digit subtraction

100

789-425

364

200

987 -455

532

300

741 -372

369

400

369 - 284

85

500

781 - 599

182

10 more 10 less

100

780+10

790

200

554 -10

544

300

447 -10

457

400

498 + 10

508

500

901 -10

891

100 more 100 less

100

440+100

540

200

503-100

403

300

879+100

979

400

541-100

441

500

479 -100

379