Percent Problems  Always set the percent problem up the same way. Is % part % 0f 100 whole 100  Multiply the two numbers that are diagonal from each.

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Presentation transcript:

Percent Problems  Always set the percent problem up the same way. Is % part % 0f 100 whole 100  Multiply the two numbers that are diagonal from each other.  Divide by the remaining number.

Mrs. Welch’s Class Attendance  # of students on class roll:  What is our attendance percent if everyone is present?  # of students present today: (is) part = % (of) total 100%

Practice Problems 1.What percent of 36 is 27? 2.Find 70% of is 20% of what number? 4.What percent of 63 is 42? 5.40 is 80% of what number? 6.Find 28% of 310.

Real Life Application Kenzie has a collection of 72 pennies. If 25% of them are Canadian, how many Canadian pennies does she have?

How does your garden grow? Mr. Greene has a garden. Of the 40 seeds he planted, 35% were vegetables seeds. How many vegetable seeds did he plant?

TCAP Test Mallory is taking a 100-question test. She has completed 60% of the test in 45 minutes. How much longer will it take her to finish the test?

Starry Night by Vincent Van Gogh Amy ordered a painting. She paid 30% of the total cost when she ordered it, and she will pay the remaining amount when it is delivered. If she has paid $15, how much more does she owe?

What’s the Error? To find 80% of 130, a student set-up a proportion. 80 = X Explain the error. Write the correct proportion, and find the missing value for x.

The Sweater Task To celebrate your academic achievements, your grandparents take you shopping. Which sale should you take advantage of if you want the best reduction on a sweater that costs $68.79? 1. SALE: 30% discount 2. Sale 20% discount, with an additional 10% off of the sale price Does each sale result in the same reduction off the original cost? Explain what you would pay in each sale situation, and the similarities or differences between the two sales.