Rounding - Ten
Rounding - Hundred
Adding 3-digit numbers
Subtracting without regrouping
100

Round 68 to the nearest ten.

70

100

Round 490 to the nearest hundred.

500

100

213+675

888

100

465 − 123

342

200

Round 32 to the nearest ten.

30

200

Round 268 to the nearest hundred.

300

200

752+233

985

200

687 − 245

442

300

Round 58 to the nearest ten.

60

300

Round 999 to the nearest hundred.

1000

300

429+102

531

300

759 − 438

321

400

Round 27 to the nearest ten.

30

400

Round 76 to the nearest hundred.

100

400

197+199

396

400

896 − 574

322

500

Round 98 to the nearest ten.

100

500

Round 539 to the nearest hundred.

500

500

848+131

979

500

978 − 657

321