Math Made Easy

[Pages:2]Rounding

What is 327 rounded to the nearest 100?

300 310 320 330 340 350 360 370 380 390 400

300

327

What is each number rounded to the nearest 100?

478

231

147

687

342

812

973

439

639

108

374

752

418

639

523

446

857

560

299

809

What is 250 rounded to the nearest 100?

200 210 220 230 240 250 260 270 280 290 300

300

250

What is each number rounded to the nearest 100?

450

850

650

87

21

405

150

950

655

540

980

50

750

250

90

59

550

105

955

350

? Dorling Kindersley Limited [2010]

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Rounding

What is 327 rounded to the nearest 100?

300 310 320 330 340 350 360 370

300

327

What is each number rounded to the nearest 100?

478 500

231 200

147 100

342 300

812 800

973 1,000

9

2

14

2

0 380 390 400

7

687 700

6

439 400

8

639 600 418 400

108 100 639 600

374 400

752 800

1

523 500

446 400

3

5

857 900

560 600

299 300

809 800

What is 250 rounded to the nearest 100?

200 210 220 230 240 250 260 270 280 290 300

300

250

What is each number rounded to the nearest 100?

450 500

850 900

650 700

21 0

405 400

150 200

87 100

2

950 1,000

655 700

540 500

980 1,000

50 100

750 800

250 300

90 100

59 100

6

550 600

105 100

955 1,000

350 400

3

8

4

5 7 2 Children should recognize that amounts of 50 and1above are rounded up, and amounts below 50 are rounded down. Make sure that children increase the hundreds digit by 1 when they round up.

1

? Dorling Kindersley Limited [2010]

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