Review for Unit Four

Test

Show all your work on the whiteboardCopy the work on your copy of the powerpoint during review

Redo the questions for homework tonight on a fresh sheet of looseleaf to be collected tomorrowHave fun!

Expo markers come with 5 black, 3 red, 3 blue and 2 green expos. Set up a ratio all three ways and in simplest form

a) red to blueb) blue to green and redc) green to total

• 3:3, 3/3, 3 to 3 or 1:1, 1/1 or 1 to 1• 3:5, 3/5, 3 to 5• 2:13, 2/13, 2 to 13

You read 50 pages in a book in 15 minutes. How many pages do you read per minute?

• 50/15 is about 3 and 1/3 pages per minute.

Frank drives 525 miles in 15 hours. On average, how many miles per hour does he drive?

• 35 miles per hour

Joey buys 5 jeans for $320.Paige buys 6 jeans for $360. Who got the better buy? Why?

• Paige got the better buy because she paid $60 per pair of jeans and Joey paid $64 per pair.

Solve the proportion:156 = _x_10 8

• 124.8

Mrs. Jones is making cupcakes for Sally’s 13th birthday party. The recipe needs 3.5 cups of sugar for 25 cupcakes. How many cups of sugar will Mrs. J need for 100 cupcakes? (round to the nearest tenth)

• 14 cups of sugar

A 10 foot tree casts a 5 foot shadow. How tall is the lady that casts 2.5 foot shadow?

• 5 feet tall

On a map, 2.5 inches represents 50 miles. How many miles does 7.5 inches represent?

• 150 miles

A building is made into a 10 in x 6 in model. If 1 inch equals 12 feet, how tall is the building?

• 120 feet x 72 feet

A house is worth $250,000. The owners decide to renovate the kitchen to increase the value by 12%. What is the new value of the home?

• $280,000

Team four has 100 students. If 62% are boys, how many girls are on team four?

• 38 girls

A car cost $13,000 in 1990 and $15,200 in 2000. What was the percent of change?

• 16.9 % or 17% increase

You deposit $2000 into an account that earns 8% simple interest for 3 years. How much interest do you earn after 3 years?

• $480

You buy an iPad for $600. What is the total you spent after 7% sales tax?

• $642

An eighth grader borrows $15,000 for her freshman year at IHA. How much simple interest will she have to pay after 10 years at a rate of 3%?

• $4,500

Dr. Pepe buys stock for $10. It drops to $7. What is the percent of change?

• 30% decrease

You purchase clothes for spring break for a total of $156. You have a coupon for 25% off your entire purchase How much did you pay for the clothes?

• $117

You earned a 19 out of 22 on the last quiz. What was the percent?

• About 86%

Mrs. Phillpott and Mrs. Avia will go to Wyckoff Pizza today. They always get the same thing and their bill comes out to $25.30. If we leave a 20% tip, how much will the tip amount be?

• $5.06

The figures are similar, find the missing side

• x= 8 units

12

x 2

3

Good luck tomorrow!

Review the sections that were difficult.

PLEASE STUDY TONIGHT!