Comparing, Ordering, and Round Decimals
Adding and Subtracting Decimals
Multiplying and Dividing Decimals
Scientific Notation
Measuring and Converting Metric Units
100

What is 17.6 rounded to the nearest one (whole number)

18

100

15.8 + 7.6

23.4

100

3.9 x 21.8

85.02

100

Write this number in standard form:

7.1 x 105

710,000

100

The mass of a bike is about 8 _______.

kilograms

200

What is 5.55 rounded to the nearest tenth?

5.6

200

4.29 - 3.456

0.834

200

0.14 x 0.09

0.0126

200

Write this number in scientific notation:

284,500,000

2.845 x 108

200

A length of a whiteboard is about 2 ________.

meters

300

What is 2.2949 rounded to the nearest hundredth?

2.29

300

53.24 + 14.023

67.263

300

30.94 divided by 9.1

3.4

300

Complete with <, >, or =

4.4 x 107  _________  44,000,000

=

300

1.25 km is equal to ________ m. 

1,250 meters

400

Which is greater? 

0.607 or 0.66

0.66

400

168.42 - 5.608

162.812

400

0.288 divided by 3.6

0.08

400

Complete with <, >, or =

2.33 x 1010  _________  7.6 x 1010

<

400

1,540 mg is equal to ______ g. 

1.54 grams

500

Put the decimals in order from least to greatest.

0.86, 0.03, 0.91, 0.2

0.03, 0.2, 0.86, 0.91

500

900 - 15.7

884.3

500

FInd the area of a rectangle with a length of 8.23mm and width of 2.25mm.

18.5175mm2

500

Pythagoras, a Greek mathematician, was born about 2.6 x 10years ago. Galileo, an Italian mathematician and astronomer was born about 4.4 x 102 years ago. Who was born more recently?

Galileo

500

A large paper clip is 5 centimeters long. About how many large paper clips do you need to make a chain of paper clips linked end to end that is 10 meters long?

200 large paper clips