Show:
Round to nearest 10
Round to the nearest 100
Round to the nearest 1000
Round to the nearest 100
Round to the nearest 1000
100

153

150

100

1658

1700

100
1675
2000
100

3487

3500
100

5415

5000

200

2288

2290

200
894
900
200
4342
4000
200

60

100
200

7814

8000

300

3411

3410

300

3204

3200

300
7569
8000
300

9125

9100

300

543

1000

400

320

320

400

2910

2900

400
2745
3000
400

167

200

400

9999

10000

500

6745

6750

500
433
400
500
1326
1000
500

Add the numbers then round the sum to the nearest 100. 

313 + 213=

526 rounds to 500

500

Subtract the numbers then round the difference to the nearest 100. 

721- 489=

232 rounds to 200