Addition and Subtraction within 1,000

Add (Level 1)

100

343 + 154 =

497

200

573 + 316 =

889

300

358 + 221 =

579

400

574 + 212 =

786

500

215 + 784 =

999

Subtract (Level 1)

100

662 - 431 =

231

200

873 - 451 =

422

300

923 - 610 =

313

400

835 - 512 = 

323

500

999 - 465 =

534

Add (Level 2)

100

463 + 362 =

825

200

425 + 248 = 

673

300

536 + 127 = 

663

400

348 + 415 = 

763

500

627 + 235 = 

862

Subtract (Level 2)

100

562 - 381 = 

181

200

641 - 381 = 

260

300

555 - 282 = 

273

400

826 - 363 = 

463

500

767 - 676 =

91

Mystery! (Level 3)

100

475 + 387 = 

862

200

548 + 279 = 

827

300

366 + 458 = 

824

400

284 + 639 =

923

500

347 + 588 = 

935