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.

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Presentation transcript:

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!

Homework Tax, Tip, Discount Coloring Page Show your work!

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.

Percent of a number

Review! 40% of the burgers at the picnic are cheeseburgers. If there are 55 burgers, how many are cheeseburgers? 22

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?

Write the verbal statement as a mathematical sentence. (equation) What is 23% of 10? STEP 2: N = 23% x 10

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?

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?

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?

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