Chapter 6 Test Review - 7th Grade

Fractions, Decimals, and Percents

100

Write 6% as a decimal

0.06

200

 Put the following values in decimal form

 0.3% = _________

0.003

300

Which of the following is not a way of expressing 65 out of 100?

a. 0.650

b. 6.5%

c. 13/20 

d. 65/100

B

6.5 %

400

Order the following values from least to greatest

65% , 5/10, 0.55

5/10, 0.55, 65%

500

Order the following values from least to greatest

5/19 , 2.7%, 0.27

2.7%, 5/19, 0.27

Discounts and Markups

100

Original price: $120

Discount: 40%

Sale Price: ?

$72

200

Original price: $134

Markup: 60%

Sale Price: ?

$214.40

300

Original price: $123

Markup: 54%

Sale Price: ?

$189.42

400

         Sweatshirt:  $80

        Discount:    30%

        Tax: 7%

        Final Price: ____________

$59.92

$80 x 0.30 = $24

$80 - $24 = $56

$56 x 0.07 = $3.92

$56 + $3.92 = $59.92

500

        IPhone:  $980

        Discount:    40%

        Tax: 7%

        Final Price: ____________

$629.16

$980 x 0.40 = $392

$980 - $392 = $588

$588 x 0.07 = $41.16

$588 + $41.16 = $629.16

Percent of Change

100

140 ounces to 160 ounces

14% or 14.3%

200

Ms. Gambino estimates 175 people at her wedding. 150 people actually attended her wedding. What is the percent of error?

17% or 16.6%

300

You estimate that a small restaurant will serve 340 customers the first day it opens. The actual number of customers the first week is 300. What is the percent of error?

13%

400

Your math average went from an 80% to a 90%. What was the percent of increase?

13% or 12.5%

500

Colton likes to see how quickly he can finish the crossword puzzle in his local newspaper. After glancing at today's puzzle, Colton predicted he could complete it in 14 minutes. It actually took him 16 minutes to finish the puzzle. What is the percent error for Colton's prediction?

12.5%

Percent Proportions

100

What is 50% of 26

13

200

48 is what percent of 80?

60%

300

You answered 16 out of 20 questions correctly on your math quiz. Did you reach your goal of getting an 80%?

Yes = 80%

400

Michelle has $15 in her pocket. If this is 5% of her monthly allowance, what is her monthly allowance?

$300

500

Of the 225 Guests who attended Ms. Gambino's wedding, 185 attended. What percent attended the wedding?

82.2%

Simple Intrest

100

$5,200 at 4% for 3 years

$624.00

200

$450 at 7% for 2 years

$63.00

300

I = $10, P = $100, r = 2%

5 years

400

Find the amount paid for the loan

$4,000 at 3 % for 4 years

$4,480

500

I = $157.53, P= $2,623, t = 42 months

2% or 1.7%