Rounding Revision

Rounding to the nearest Whole Number

Round 5·2 to the nearest whole number.

5 5·1 65·2 5·3 5·4 5·5 5·6 5·7 5·8 5·9

1) Draw a number line between 5 and 6

2) Place 5·2 on the number line3) Is 5·2 closer to 5 or 6?

The answer is 5

0·80·2

Rounding to the nearest Whole Number

Round 5·6 to the nearest whole number.

5 5·1 65·2 5·3 5·4 5·5 5·6 5·7 5·8 5·9

1) Draw a number line between 5 and 6

2) Place 5·6 on the number line3) Is 5·6 closer to 5 or 6?

The answer is 6

0·40·6

Rounding to the nearest Whole Number

Round 5·5 to the nearest whole number.

5 5·1 65·2 5·3 5·4 5·5 5·6 5·7 5·8 5·9

1) Draw a number line between 5 and 6

2) Place 5·5 on the number line3) Is 5·5 closer to 5 or 6?

The answer is 6

0·50·5

4) If the answer is in the middle we round up.

Rounding to the nearest 10

Round 72 to the nearest whole number.1) Draw a number line between 70 and 802) Place 72 on the number line3) Is 72 closer to 70 or 80?

The answer is 70

82

Rounding to the nearest 10

Round 78 to the nearest whole number.1) Draw a number line between 70 and 802) Place 78 on the number line3) Is 78 closer to 70 or 80?

The answer is 80

28

Rounding to the nearest 10Round 75 to the nearest 10.1) Draw a number line between 70 and 802) Place 75 on the number line3) Is 75 closer to 70 or 80?

The answer is 80

55

4) If the answer is in the middle we round up.

500 510 600520 530 540 550 560 570 580 590

Rounding to the nearest 100

Round 533 to the nearest 100.1) Draw a number line between 500 and 600

2) Place 533 on the number line3) Is 533 closer to 500 or 600?

The answer is 500

6733

500 510 600520 530 540 550 560 570 580 590

Rounding to the nearest 100

Round 578 to the nearest 100.1) Draw a number line between 500 and 600

2) Place 578 on the number line3) Is 578 closer to 500 or 600?

The answer is 600

2278

500 510 600520 530 540 550 560 570 580 590

Rounding to the nearest 100Round 550 to the nearest 100.1) Draw a number line between 500 and 600

2) Place 550 on the number line3) Is 550 closer to 500 or 600?

The answer is 600

5050

4) If the answer is in the middle we round up.