Unit 4 Review: Percents and Proportions

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

Tags

CCSS.6.RP.A.3C

Sarah earns $20 a day working after school. She spent 30% of her daily earnings on Monday. How much money did she spend on Monday?

• $1.40
• $6
• $0.60
• $14

Tags

CCSS.6.RP.A.3C

A Chicago Cubs baseball cap costs $30.  Michael has a coupon that will save him 30% of the  price. How much money will Michael pay for the cap?

• $9.00
• $22.00
• $21.36
• $21.00

Tags

CCSS.6.RP.A.3C

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error rounded to the nearest tenth of a percent?

• 21%

• 17.37%

• 17.4%

• 21.02%

The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

• 15.79%
• 18.75%
• 2.25%
• 18%

Tags

CCSS.6.RP.A.3C

A Toyota Sienna sells for $41,899.  A year later, the value is $36,469.  What is the percent change to the nearest tenth of a percent?

• 12% increase
• 13% decrease
• 112% decrease
• 113% increase

Tags

CCSS.7.RP.A.3

A train travels 25 km in 1/2 hr. How fast is the train going?

• 25 miles/hr

• 5 miles/hr

• 125 km/hr

• 50 km/hr

What is the equation to calculate speed?

• speed = distance/time
• speed = time/distance
• speed = time x distance 
• speed = speed/time 

Tags

CCSS.6.EE.B.7

Sharon makes money by commission rates. She gets 17% of everything she sells. If Sharon sold $37000 worth of items this month, what is her salary for the month?

• $14,800
• $5,180
• $629
• $6,290

Tags

CCSS.6.RP.A.3C

Sales tax is __________ to the price

• subtracted
• added
• multiplied
• divided

Tags

CCSS.6.RP.A.3C