Math Applications Quarter Review

Rounding

100

Round to one decimal place (tenths):

3.45868

3.5

200

Round to two decimal places (hundredth):

84.3298

84.33

300

Round to two decimal places (hundredths):

877.09826

877.10

400

Round to three decimal places (thousandths):

7982.032985

7982.033

500

Round to three decimal places (thousandths):

8239.9836731098

8239.984

PFD Conversion

100

Convert to percentage:

.46

46%

200

Convert to a decimal:

62%

.62

300

Convert to decimal:

3/4

.75

400

Convert to decimal (round to hundredths):

6/13

.46

500

Convert to percent (round to tenths):

9/16

56.3%

PFD Conversion 2

100

Convert to decimal:

89%

.89

200

Convert to percent:

15%

.15

300

Convert to decimal:

1/10

.1

400

Convert to decimal (round to hundredth):

13/42

.31

500

Convert to percent (round to hundredths):

7/19

36.84%

Proportions

100

Solve for x:

1/10 = x/20

2

200

Solve for x. Round to two decimal places (hundredth):

20/7 = 1/x

.35

300

Solve for x. Round to two decimal places (hundredth):

3/x = 4/17

12.75

400

Solve for x. Round to one decimal place (tenth):

19/9 = 7/x

3.3

500

Solve for x. Round to one decimal place (tenth):

2/x = 9/17

3.8

Story Problems

100

Craig took a math test and got 17 problems right. The test had 24 questions. What was his grade (round to nearest whole number)?

71%

200

In the month of October, Mr. Granger got to sleep in on two weekend days. There were nine weekend days in the month of October.

At that rate, how many days did he get to sleep in for all of 2020? There are 104 weekend days in a year.

23 (rounded down from 23.111111)

300

Mr. Granger was building a shed, and he used 578 nails in the process. He's not the best carpenter in the world, so he bent 52 of those nails and had to throw them away without using them.

What percentage of the nails actually got used? Round to the nearest whole number

91%

400

Mr. Granger is painting a few rooms in his house. One gallon of paint covered 58 square feet of wall. To finish his project, he will need to cover 560 square feet. 

How many gallons of paint does he need for the project?

10 gallons (rounded up from 9.66)

500

Mr. Granger let his son use his phone for 27 minutes. In that time, Charlie downloaded 6 games. How many games would Charlie download if he was left with the phone for an hour?

13 games (rounded down from 13.333)