Identify Part, Percent and Whole

Convert 0.81 to a percent

• 0.81%

• 0.18%

• 8.1%

• 81%

56 is (only) 35% of what number?

• 70

• 160

• 62.5

• 16

James saved 30% of the money he got for his birthday. If he saved $12, how much money did he get for his birthday?

• $40

• $80

• $25

• $50

Sarah earns $20 a day working after school. She spent 70% of her daily earnings on Monday. How much money did she spend on Monday?

• $1.40

• $6

• $0.60

• $14

Kim will save 15% if she opens a credit card. She wants to buy a jacket that is priced at $120. What will be her savings if she opens the card?

• $12

• $16

• $21

• $18

What formula helps us identify percent change?

• % Part

  ____ = ____

  100 Whole

• K= Y/X

• X/Y= %

Given the below question, identify what part of the formula we are trying to find (part, whole, percent). An apple farm had a worm infestation and 250 plants were lost. If 25% of the crop was lost, how many plants does the farm have?

• Part

• Whole

• Percent

Given the question below, identify what part of the percent formula are we finding. Thirty-Five percent of stores in town do not have security systems. If there are 25 stores in town, how many do not have security systems?

• Part

• Whole

• Percent

If you have 5 slices of pizza and no one eats any of the pizza, what percent of the pizza do you have?

• 50%

• 75%

• 100%

• 150%

A summer camp has 150 campers and counselors. 65% of the summer camp is made up of campers. How many campers are attending this summer?

• 55

• 100

• 90

• 98