Show:
Rounding
(nearest 10)
Rounding
(nearest 100)
Addition
Subtraction
Multiplication
100

Round 23 to the nearest 10

20

100

Round 140 to the nearest 100

100

100

120 + 253

373

100

450 - 120

330

100

5 X 5

25

200

Round 65 to the nearest 10

70

200

Round 639 to the nearest 100

600

200

256 + 321

577

200

684 - 162

522

200

10 X 6

60

300

Round 754 to the nearest 10

750

300

Round 278 to the nearest 100

300

300

282 + 153

435

300

587 - 269

318

300

9 X 4

36

400

Round 337 to the nearest 10 

340

400

Round 897 to the nearest 100

900

400

634 + 192

826

400

815 - 362

453

400

8 X 3

24

500

Round 58 to he nearest 10

60

500

Round 1,867 to the nearest 100 

1,900

500

467 + 156

623

500

999 - 365

634

500

5 X 6

30