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February 25, 2016 February 25, 2016 Warm-Up: Is this a True statement? (Is each side equal to each other?) Yes Remember, when adding different signs, you find the difference!
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Homework Tax, Tip, Discount Coloring Page Show your work!
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Objective SWBAT calculate percent and the percent of a number, by using proportions or equations Write down the objective in your math journal in your own words.
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Percent of a number
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Review! 40% of the burgers at the picnic are cheeseburgers. If there are 55 burgers, how many are cheeseburgers? 22
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Write as a verbal statement What is 23% of 10? STEP 1: Hot dogs are on sale! A $10 pack of hot dogs is on sale for 23% off. How much do you save? What is the new cost?
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Write the verbal statement as a mathematical sentence. (equation) What is 23% of 10? STEP 2: N = 23% x 10
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Convert the percent to a decimal be for your multiply STEP 3: N= 23% x 10 N= 0.23 x 10 Hot dogs are on sale! A $10 pack of hot dogs is on sale for 23% off. How much do you save? What is the new cost?
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Multiply. Understand that this answer is the savings, not the new price. STEP 4: N= 0.23 x 10 N= 2.30 Discount is $2.30 Hot dogs are on sale! A $10 pack of hot dogs is on sale for 23% off. How much do you save? What is the new cost?
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Determine the new price by subtracting this discount from the original price. STEP 5: Hot dogs are on sale! A $10 pack of hot dogs is on sale for 23% off. How much do you save? What is the new cost?
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You try! Ice cream originally costs $22. It is on sale for 20% off. What is the new price of the ice cream? $17.60
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