Percents Big Ideas

Try to use mental math to find 2% of 50.

• 10

• 7

• 0.1

• 1

What is 20% of 36?

• 7.6

• 7.2

• 7.5

• 7.8

70% of what number is 105?

• 150

• 140

• 130

• 120

25% of what number is 15?

• 30

• 40

• 60

• 50

Your cell phone bill is $65.00 per month. There is a 4% increase starting next month. How much EXTRA will your bill be next month?

• $2.80

• $3.50

• $2.60

• $3.20

In our math class, 60% of the students are girls. There are 12 girls in our class. How many students are in our class?

• 72

• 30

• 24

• 20

Write 5/8 as a percent.

• 60%

• 62.5%

• 64%

• 61.5%

Everyone at Ethan's school wore either brown or yellow for school spirit day. 74 out of the 100 students at the school wore brown. What percentage of the students wore brown?

• 26%

• 26

• 74

• 74%

What is 84% of 25?

• 8.4

• 21

• 23

• 84

25% of $3.20 is how much?

• $0.80

• $12.80

• $3.20

• $.85