Math 7 Test review

Fractions to decimals

100

What is 1/2 as a decimal?

0.5

200

what is 1/9 as a decimal?

0.111111...

300

what is 7/8 as a decimal?

0.875

400

what is 11/25 as a decimal?

.44

500

What is 2 7/11 as a decimal?

2.63636363...

Integer opperation

100

-8 + 8

0

200

3 - (-7)

10

300

What is -5 - 8

-13

400

(-9)(7)

-63

500

-54 / -6

9

Scientific notation and power of 10

100

What is 10³ written in standard form? 

1,000

200

Rewrite 100 in exponential notation.

10²

300

What is 35,000 in exponential notation?

3.5 x 10⁴

400

Rewrite 4.78 x 10³ in standard form.

4,780

500

What is 0.0000456 written in scientific notation? 

4.56 x 10^-5

Comparing and ordering rationals

100

Compare using <,>, or =.

-6.   4

<

200

Compare using <,> or =

1/2    0.6 

<

300

Compare using <, >, or =.

23/25     86%

>

400

Put the following in order from least to greatest. 

0.6,   84%   1/2,    

1/2,   0.6,   84%

500

Put the following in descending order. 

.06,  15% .80,   1/4, 10%,   7/8

.7/8, 0.80, 1/4,  15%, 10%, 0.06

Decimals and fractions to percents

100

Change 1.00 to a percent

100%

200

Change 1/2 to a percent.

50%

300

Change 1.15 to a percent.

115%

400

Change 4/12 to a percent.

33.33%

500

Change  1 14/50  to a percent

124%