Percent Review

What word means a ratio that compares a number to 100?

• unit rate

• proportion

• percent

• say whaaat?

What does percent mean?

• IDK, I don't speak math.

• out of 10

• out of 50

• out of 100

Which shows the correct % equation?

• whole = % $\cdot$ part

• part = % $\cdot$ whole

• % = part $\cdot$ whole

• What's an equation??

What is the percent equation when it is written as a proportion?

•  $\frac{part}{percent}=\frac{whole}{100}$  

•  $\frac{whole}{part}=\frac{percent}{100}$  

•  $\frac{part}{whole}=\frac{percent}{100}$  

•  $\frac{percent}{whole}=\frac{part}{100}$  

Tags

CCSS.6.RP.A.3C

What is 20% of 75?

• 15

• 60

• 6

• 1.5

Tags

CCSS.6.RP.A.3C

What is 50% of 15?

• 30

• 7.5

• 7

• 8.5

75 is 15% of what number?

• 500

• 20

• 350

• 425

You pay 5% tax for a $100,000 car. How much did you pay?

• $50

• $5,000

• $50,000

• 10,000

Tags

CCSS.6.RP.A.3C

You got 23 out of 25 right on a test. Convert to a percent. (Hint: change to a fraction.)

• 89%

• 76%

• 92%

• 78%

 Shirley spelled 12 of her 15 spelling words correctly on the test.  What percent grade did Shirley get on the test? (Use proportions!)

• 40%
• 50%
• 80%
• 60%

Tags

CCSS.5.NF.B.3

CCSS.5.NBT.B.6