What strategy would you use?

All jeans at Old Navy are on sale at a 25% discount. What would be the sale price of a pair of jeans priced at $40.00? What strategy(s) would you use to find the discount?

• (Change∕orginal)100

• Part/whole = %/100

• y = k x

Tags

CCSS.6.RP.A.3C

There were 100 students at the last month's dance at Smith Middle School. At the dance this month there were 125 students. What was the percent increase?

What strategy would you use to slove this problem?

• (change/org)100

• y = k x

• part/whole = %/100

• None of these

Tags

CCSS.6.RP.A.3C

Using the Percent Increase or Decrease strategy, is a way to find the _________

• amount of something

• percent

Mrs. Randall went to the hair salon an spent $65 on a hair cut and style. Se wants to give her hairdresser a 20% tip but she does not know how to find the tip. What would you tell her?

• Use the strategy

  (change/org)100

• Use the strategy

  part/whole=%/100

• Use the strategy

  add the percent number directly to the amount

Tags

CCSS.6.RP.A.3C

After finding the discount, we ________ to the subtotal.

• add it

• subtract it

• mulitply it

• divide it

Tags

CCSS.7.RP.A.3

Mr. Picklesimer bought a Star Wars figure at a yard sale for $10. He wants to mark it up 70%.

What strategy(s) would he use to find the markup?

• (change/org)100

• y = k x

• part/whole = %/100

Tags

CCSS.6.RP.A.3C

Mr. Coo surveys students at our school about starting a recycling program. He is expecting 300 students to respond favorably. If there is a 2.5% percent error, what is the range of the number of students expected to respond favorably to the survey?

How do we find the percent of error?

• (change/org)100

• part/whole = %/100

Tags

CCSS.6.RP.A.3C