Rounding Numbers

Rounding 10

100

Round the number 15 to the nearest 10. 

20

200

Round the number 266 to the nearest 10.  

270

300

Round the number 311 to the nearest 10.

310

400

Round the number 548 to the nearest 10. 

550

500

Round the number 9671 to the nearest 10. 

9670

Rounding 100

100

Round the number 112 to the nearest 100. 

100

200

Round the number 669 to the nearest 100. 

700

300

Round the number 450 to the nearest 100. 

500

400

Round the number 500 to the nearest 100.

500

500

Round the number 7836 to the nearest 100. 

7800

Add to round

100

1. Add 598 + 345

2. Round the sum to the nearest 10.

940

200

1. Add 665 + 444 

2. Round the sum to the nearest 100 

1100

300

1. Add 715 + 99

2. Round the sum to the nearest 100.

800

400

1. Add 399 + 666 

2. Round the sum to the nearest 100.

1100

500

1. Add 176 + 221 + 55

2. Round the sum to the nearest 10. 

450 

Subtract to round

100

1. 500 - 389

2. Round the difference to the nearest 10

110

200

1. 678 - 399

2. Round the difference to the nearest 10 

280

300

1. 900 - 658 

2. Round the difference to the nearest 100

200

400

1. 500 - 198 - 101

2. Round the difference to the nearest 10

200

500

1. 1986 - 297 

2. Round the difference to the nearest 100

1700