Percent (Grade 7)

Converting between Fractions, Decimals and Percents

100

Convert to a decimal 6%

0.06

200

Convert to a fraction in lowest terms - 30%

3/10

300

Convert to a decimal - 135%

1.35

400

Convert to a fraction in lowest terms 125%

5/4

500

Convert to a decimal - 0.8%

0.008

Percent of a number

100

15% of 110

16.5

200

75% of 260

195

300

28% of 575

161

400

108% of 148

159.84

500

6% of 95

5.7

Percent Proportion

100

What is the percent proportion?

percent/100 = part/whole

200

22 is 44% of what number?

50

300

What percent of 20 is 15?

75% (make sure to include the label or you will lose points on the assessment)

400

80% of what number is 20?

25

500

What percent of 600 is 750?

125% (make sure to include the label or you will lose points on the assessment)

Percent Application: tax, tip, markup, discount

100

Which situations represent a percent increase?  Check all that apply.

a) tax

b) tip

c) mark up

d) discount

a,b,c

200

You go out to eat and your bill comes to approximately $45.  You want to leave a 20% tip.  How much of a tip would you leave?

$9 (make sure to include labels - you will lose points on the test)

300

You are selling your artwork.  It costs you $20 in supplies to create the artwork.  You want to mark up the price 80% to account for the hard work that went into creating the piece.  How much would you charge for your artwork?

$36 (make sure to include labels - you will lose points on the test)

400

You are buying a new bike for $398.  How much will the bike cost including the Massachusetts 6.25% tax?  Round to the nearest cent (hundredths place.

$422.88 (make sure to include labels - you will lose points on the test)

500

You go to buy a book at the store.  The price of the book was $19.50.  There is a sign saying the book is 30% off.  The sales tax is 6.25%.  Find the sale price of the book to the nearest cent.

$14.50 (make sure to include labels - you will lose points on the test)

Percent Application: Percent change and Simple Interest

100

If a cat weighs 5 pounds at one visit and then 8 pounds at the next.  What is the percent change?

60%

200

Your power points in your video game went from 120 to 80.  What was the percent of change?

33.333...% (make sure to include the label or you will lose points on the assessment)

300

You put $500 in a savings account.  How much interest will you earn in 3 years if the interest rate is 1%?

$15 (make sure to include the label or you will lose points on the assessment)

400

You want to take a loan out to buy your first car.  The loan is for $20,000.  If you take 5 years to pay off the car and the interest rate is 5.5%, how much will you end up paying the bank in total?

$25,500 (make sure to include the label or you will lose points on the assessment)

500

You owe $500 on your credit card.  If your interest rate is 17.99% how much will you pay in interest after 6 months?  Round to the nearest cent.

$44.98 (make sure to include the label or you will lose points on the assessment)