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Solving problems involving discounts at sales and sales tax.

Solving problems involving discounts at sales and sales tax. Number Sense 1.4 Calculate given percentages of quantities and solve problems involving discounts at sales, interest earned, and tips.

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Solving problems involving discounts at sales and sales tax.

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  1. Solving problems involving discounts at sales and sales tax. Number Sense 1.4 Calculate given percentages of quantities and solve problems involving discounts at sales, interest earned, and tips. Objective: Students will find the discount and sale price of an item and find the tax and total price of an item after taxes.

  2. How to find the sales tax! • First find out what tax rate you will be paying. • In Michgan, the tax rate is 6%! • Convert your percentage to a decimal by moving your decimal two spaces to the left. Ex. 6% =0.06 (Don’t forget to add a zero) • Multiply the decimal form of the tax rate by the price of the item you are purchasing. Ex. 0.06 x $ cost of the item

  3. How to find the sales tax! • So if an item costs $5.00 • Sales tax is6% • Convert 6% to 0.06 • So.06 x $5 = $0.31 • The sales tax is $0.31 • But the total price of the item is $5.00 + $0.31 =$5.31

  4. How to find the Discount & Discounted Price • Find out the % of the discount. Convert the % to a decimal. • Multiply the decimal by the original price. • Take the answer in step 2 and subtract it from the original price. Example • Discount 20% = .20, • $10 x .20 = $2.00 • $10.00 - $2.00 = $8.00

  5. Please randomly add all of these numbers to your BINGO sheet of paper. • $71.20 • $17.80 • $53.04 • $4.04 • $47.70 • $2.70 • $10.60 • $.60 • $50.00 • 149.99 • $162.36 • $9.20 • $239.19 • $.74 • $158.99 • $189.99

  6. The object of the game: • Solve each math problem from the PPT. • Cross out the answer on the bingo card. • The first three students with four in a row win!

  7. Hollister Shirt $10The tax is 6% • 1. How much would you spend on taxes for this shirt? • $.60 • 2. What would be the total cost of this shirt? • $10.60

  8. $45.00 iPod shuffle 1GBtax rate = 6% 3. What will the sales tax be if you purchase this item? $2.70 4. What will the total price be if you purchase this item? $47.70

  9. E-matic 4GB Video MP3 Player with 2.4" Screen, Camera and Video Recorder $49.00 Tax rate 8.25% • 5. What will be the total of the state sales tax? • $4.04 • 6. What will be the total price of the MP3 Player after the state tax of 8.25% is applied? • $53.04

  10. If this NdamukongSuh Jersey was 20% off, 7. What would the discount be? 8. What would be the sale price? $17.80 $71.20 NdamukongSuh Jersey $89

  11. Xbox 360 for $199.99 • The Discount is 25% • 9. What is the discount amount? • $ 50.00 • 10. What is the price after the discount? • $149.99 • 11. What is the price after the discount and after taxes? • $158.99

  12. Ipod Touch for $229.99 • The tax rate is 4% • 12. What is the tax? • $ 9.20 • 13. What is the total price after taxes? • $239.19

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