Add with Regrouping
Subtract with Regrouping
Addition Patterns
Add 3 or More Numbers
Rounding
100

468 + 275 =

743

100

642 - 278 =

364

100

342, 352, 362, ___, ___

372

382

100

45 + 128 + 62 

235

100

Round 347 to the nearest ten.

350

200

593 + 189 = 

782

200

815 - 347 = 

468

200

1,250, 1,350, 1,450, ___, ___

1,550

1,650

200

214 + 86 + 351 =

651

200

Round 682 to the nearest hundred.

700

300

347 + 486 = 

833

300

503 - 266

237

300

2,415, 3,415, 4,415, ___, ___

5,415

6,415

300

78 + 305 + 42 + 115 =

540

300

Round 555 to the nearest ten.

560

400

685 + 247 = 

932

400

731 - 458

273

400

4,512; 4,513; 4,514; 4,515; 5,516; ___, ___

4,517

4,518

400

532 + 94 + 218 =

844

400

Round 429 to the nearest hundred

400

500

719 + 194 =

913

500

924 - 589 = 

335

500

5,723 + _______ = 5,733

20

500

163 + 47 + 285 + 50 =

545

500

Round 896 to the nearest ten

900