Rounding Decimals

This or That?

100

Round to the nearest tenth.

0.52

Is your answer...

THIS?        or          THAT?

0.5                        0.6

0.5

200

Round to the nearest hundredth.

14.252

Is your answer...

THIS      or        THAT

14.25                14.26

   14.25

300

Round to the nearest whole number.

23.709

Is your answer...

THIS       or       THAT

23                      24

24

400

Round to the nearest hundredth.

0.755

Is your answer...

THIS.      or       THAT

0.75                  0.76

0.76

500

Round to the nearest tenth.

4.953

Is your answer...

THIS      or     THAT

4.9                 5

5

Underlined digit

100

Round to the place of the italicized digit

0.314

0.3

200

Round to the place of the italicized digit.

2.406

2.41

300

Round to the place of the italicized digit.

45.158

45

400

Round to the place of the italicized digit.

5.057

5.06

500

Round to the place of the italicized digit.

3.296

3.30

Round

100

Round to the nearest HUNDREDTH.

7.428

7.43

200

Round to the nearest TENTH.

162.36

162.4

300

Round to the nearest WHOLE NUMBER.

6.37

6

400

Round to the nearest TENTH.

7.982

8.0

500

Round to the nearest HUNDREDTH.

13.053

13.05

Number Lines

100

Use the number line to round the number to the nearest HUNDREDTH.

3.482

 _________________________________________________________

3.48                                                                                            3.49

3.48

200

Use the number line to round the number to the nearest TENTH.

0.72

 ______________________________________________________

0.7                                                                                          0.8

0.7

300

Use the number line to round the number to the nearest HUNDREDTH.

0.285

 _______________________________________________________

0.28                                                                                        0.29

0.29

400

Use the number line to round the number to the nearest TENTH.

3.174

 ___________________________________________________

3.1                                                                                     3.2

3.2

500

Use the number line to round the number to the nearest WHOLE NUMBER.

4.561

___________________________________________________

4                                                                                        5

 5

Word Problems

100

A giraffe can run and average speed of 32.34 miles per hour.  What is the giraffe's average speed when rounded to the nearest tenth?

32.3 miles per hour

200

Amy spends 6.75 hours each day at school. How long is Amy at school each day when rounded to the nearest hour?

7 hours

300

Laila went with her grandfather to fill his car with gas.  The price for a gallon of gas was $4.99. What is the cost of a gallon of gas when rounded to the nearest whole number?

$5.00

400

The smallest frog measures on average 7.719 millimeters in length.  How long is the frog when rounded to the nearest hundredth of a millimeter?

7.72 millimeters

500

A chimpanzee weighs an average of 52.16 kilograms.  What is the weight of the chimpanzee when rounded to the nearest tenth of a kilogram?

52.2 kilograms