Exploring Percentages and Their Applications

What should you do if you get a question wrong in the warm-up?

• Check the correct answer only

• Ignore it and continue

• Ask a friend for the answer

• Try to correct the mistake

What is 50% of 120?

• 60

• 30

• 12

• 120

How do you calculate 25% of a number using a percent ruler?

• Subtract 75% from the total

• Multiply the number by 0.25

• Divide the number by 4

• Half of the 50% value

What is 10% of 360?

• 36

• 3.6

• 18

• 360

If 70 is 100%, what is 15%?

• 3.5

• 14

• 7

• 10.5

What percentage of 70 is 35?

• 25%

• 35%

• 20%

• 50%

How many raisins are there if 40% of 160 items are raisins?

• 40

• 80

• 64

• 32

What was the percentage of the tip left on a $60 bill if $12 was tipped?

• 20%

• 10%

• 15%

• 25%

What is the total bill if the original was $60 and a $12 tip was added?

• $74

• $68

• $70

• $72

How much water does the bottle hold if 65% of it is 546 ml?

• 840 ml

• 1000 ml

• 700 ml

• 500 ml