Addition
Rounding
Subtraction
100

574 + 214

788

100

Round to the nearest 10

56 

60

100

876- 354

522

200

765 +526

1,291

200

Round to the nearest 10 

142

140

200

635-216

419

300

857 + 684

1,541

300

Round to the nearest 100s.

784

800

300

745-373

372

400

987 + 784

1,771

400

Round to the nearest 100s.

352

400

400

853-465

388

500

999 + 789

1,788

500

Round to the nearest 10 and 100s. 


628

10 = 630

100=600

500

920- 564

356