Percent Error and Multipliers

What would the multiplier be for a 10% increase?

• 0.01

• 0.10

• 1.10

• 1.00

What would the multiplier be for a 20% decrease?

• 0.2

• 0.8

• 1.8

• 2.0

Tags

CCSS.6.RP.A.3C

Jeff estimated it would take 3 hours to write a book report, but it actually took him 2.5 hours. What is the percent error for his estimate? (difference/actual x 100)

• 10%

• 20%

• 30%

• 50%

Tags

CCSS.6.RP.A.3C

A watermelon weighs 5.2 lbs. A scale measured the weight with an error of 10% under the actual weight. What is the measured weight?

• 0.52 lbs

• 4.68 lbs

• 5.72 lbs

• 10 lbs

Tags

CCSS.6.RP.A.3C

Lyle's family is eating at a restaurant in the city. The bill is $43. The family leaves $52 to include the tip. What percent tip did the family leave?

• 7%

• 17%

• 83%

• 2%

Tags

CCSS.6.RP.A.3C

Zander is buying a clarinet. The store is marking up the price by 30%. If the original price was $75, how much is the new price with the mark up?

• $58.50

• $62.50

• $58.50

• $104.50

Tags

CCSS.6.RP.A.3C

On Monday, the high temperature was 60 degrees. On Tuesday the high temperature was 18% more than on Monday. How many degree did the temperature increase?

• 1.08 degrees

• 10.8 degrees

• 100.8 degrees

• 1080 degrees

Tags

CCSS.6.RP.A.3C

Wyatt spent 25% more money this month on Roblox than last month. If he spent $30 last month, how much did he spend this month?

• $7.50

• $37.50

• $22.50

• $55

Tags

CCSS.6.RP.A.3C

Samuel rode his bike for 0.4 hours and went 5.25 miles. How fast was he going? (think: miles per hour)

• 131 mph

• 13.1 mph

• 40 mph

• 21 mph

Tags

CCSS.6.NS.B.3

Lucy bought 3/4 lb of cheese for $7.50. What was the price per pound for the cheese?

• $1

• $10

• $3.75

• $5.50

Tags

CCSS.7.RP.A.1