Ratios and Percents in Math

What does the word "percent" translate to?

• Math is awesome!

• "under 1"

• "over 1"

• "out of 100"

Tags

CCSS.RI.4.10

CCSS.RI.5.10

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

What have we been working on in math this week?

• Percents

• Fraction Operations

• Rates and Ratios

• Exponents

Tags

CCSS.7.RP.A.3

What strategy do you prefer so far for finding the percent of a number?

• Get to 1% (unit rate)

• Convert to decimal then multiply

• Convert to fraction then multiply

• Not sure

Mrs. Teshin scored 18/20 on her math quiz. What was her percentage?

• 90%

• 38%

• 111%

• 18%

Mrs. Teshin scored 6/7 on her AR Test. Mr. Weinheimer scored 12/15. Whose percentage was higher?

• Weinheimer 80%

• Teshin 88%

• Weinheimer 88%

• Teshin 86%

Player 1 made 17/25 free throws. Player 2 made 33/50. Player 3 made 14/20. Player 4 made 20/25. Which player made the highest percentage of free throws?

• Player 1

• Player 2

• Player 3

• Player 4

23/50 as a percentage?

• 46%

• 27%

• 73%

• 66%

How do you convert a percent to a fraction?

• Put the percent amount over 100 and simplify

• Move the decimal point two spots to the left

• Move the decimal point two spots to the right

• Divide by "putting the top number in the house"

How do you convert a decimal to a percent?

• Put the percent amount over 100 and simplify

• Move the decimal point two spots to the left

• Move the decimal point two spots to the right

• Divide by "putting the top number in the house"

12 out of the 30 students wore glasses. What percentage of students wore glasses?

• 42%

• 40%

• 18%

• 25%