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Unit 3 – Week 1

Unit 3 – Week 1. Cost Per Unit. Do Now – 5 x 2, 2 3. Please pick up your guided notes and respond to the following SILENTLY & INDEPENDENTLY: What did you do to prepare for your test. BE SPECIFIC. How much time did you spend preparing for your test?

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Unit 3 – Week 1

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  1. Unit 3 – Week 1 Cost Per Unit

  2. Do Now – 5 x 2, 23 • Please pick up your guided notes and respond to the following SILENTLY & INDEPENDENTLY: • What did you do to prepare for your test. BE SPECIFIC. • How much time did you spend preparing for your test? • What could you have done better to prepare for you test? BE SPECIFIC. • How do you think you did on your test?

  3. 85% or High Mathletes • 3rd Period • Carlos • 5th Period • Lekendric • Katelyn • Solomon • Aliciah • Reggie • Abdul • Kaylan • Junior • Jalen • Belen • Vicki • Wesley • 6th Period • Jaycee • Antonio • Ellie • 7th Period • Grace • Tinaya

  4. Agenda • Do Now – 8 minutes • Tracking/Shout Outs – 6 minutes • Student of the Week – 1 minute • Cost Per Unit Investigation – 5 minutes • Cost Per Unit INM – 5 minutes • Group Work – 15 • IP – 5 minutes • Exit Ticket – 5 minutes

  5. Today’s Objective • SWBAT determine the cost per unit from a word problem.

  6. Group Work Investigation • You are in groups of 4. • Together, you will work together to try to solve the problem given to you. • You may use your partners, and your calculators. • Together, you CAN solve the problem – Use your brains and common sense! • I will be cycling around to monitor your progress and check your final answers.

  7. Cost Per Unit • Example 1: Mackenzie and her mom go to the store and buy a 24 ounce box of cereal. It costs them $5.28. What is the unit price of the cereal?

  8. Cost Per Unit • Example 2: Mr. Garrett buys a 40 ounce box of crackers for the concession stand and it costs $5.20. What is the unit price per ounce of the crackers?

  9. Cost Per Unit • Example 3: Cordarius brings a package of Gatorade in for the football team. He brings in a case with 24 Gatorades. The case cost Cardarius’ mom $20.88. What is the unit price of the Gatorade?

  10. Cost Per Unit • Example 4: Mr. Lowe purchases the soccer team 36 pairs of socks. The total, before tax, was $260.28.What is the unit price of the socks?

  11. Cost Per Unit • Example 5: Dr. Brown purchases a case of pens for every teacher. If one case has 100 pens and costs $25.00 what is the unit price of the pens? At this unit price, how much would 150 pens cost?

  12. Cost Per Unit • Example 6: The volleyball team buys a box of snacks for them to eat before the game. They buy a large box of 48 bags of chips for $9.72. What is the cost per bag of chips? At this price, how much would 100 bags of chips cost?

  13. Cost Per Unit • Example 7: Ms. Misconish buys pizza for her class to celebrate homecoming week. She buys 15 pizzas with a total of 120 slices for a total of $135.00. What is the cost per piece of pizza? At this unit price, how much would 160 slices cost?

  14. Cost Per Unit • Example 8: Ms. Misconish bought a box of Student of the Week pencils. There were 180 pencils in the box and it cost her $35.50. What was the cost per pencil? At this unit price, how much would 250 pencils cost?

  15. Finding the Best Buy • Example 9: The girls track team is buying soda for all the runners. They're on a budget and want to spend as little money as possible. Which size has the best price per fluid ounce?

  16. Finding the Best Buy • Example 10: The 8th graders are going on their class trip to Chicago and are wondering how long they should go. The table lists the price for days at the hotel. How long should the grade go if they want to spend the least amount of money?

  17. Finding the Best Buy • Example 11: Ceirsten compared the price of cookies at four different stores. Which store sells the cookies at the lowest price per cookie? • Store A sells 200 cookies for $14.00. • Store B sells 230 cookies for $20.70. • Store C sells 270 cookies for $27.00. • Store D sells 280 cookies for $22.40.

  18. Finding the Best Buy • Example 12:Ms. Jeems is buying detergent so the sports uniforms can be washed. The table shows the prices for the following varieties. Which size has the cheapest price per ounce?

  19. Finding the Best Buy • Example 13: Ms. Middleton is buying the cheerleaders new uniforms. Which store has the best buy for the uniforms? • Store A sells 15 uniforms for $389.85 • Store B sells 10 uniforms for a total $300.00 • Store C sells uniforms $32.00 per uniform. • Store D sells 2 uniforms for a total of $58.00

  20. Finding the Best Buy • Example 14: Kroger has the following sales going on for bottles of water. What brand is the best buy? • 24 pack of Dasani for $4.08 • 30 pack of SmartWater for $6.30 • 24 pack of Aquafina for $3.840 • 12 pack of Target Brand for $3.00

  21. Finding the Best Buy • Example 15: Carlos and his family are grocery shopping. They are deciding the best place to purchase fruit, They check prices at four different stores. Which store offers the best price per pound for apples? • Kroger: 5 lbs of apples for $13.80. • Target: 7 lbs of apples for $18.13. • Walmart: 3 lbs of apples for $9.15. • Piggly Wiggly: 10 lbs of apples for $26.50.

  22. Finding the Best Buy • Example 16:Coach Smith is purchasing basketballs for the new season. Which store has the best price per ball? • Dick’s Sporting Goods: 20 balls for $399. • Sports Authority: 15 balls for $322.50. • Wal-Mart: 8 balls for $156. • Play It Again Sports: 3 balls for $66.75.

  23. Exit Ticket • Each of you will complete your exit ticket on a note card. • You will complete the exit ticket in 5 minutes and it must be turned in before you can exit the classroom. • You must work SILENTLY and INDEPENDENTLY. • HOMEWORK – Worksheet

  24. Exit Ticket • A 6-ounce package of chips costs $0.96. At the same unit price, how does it cost for a 20-ounce package of crackers? • Use the table to answer questions 7 and 8. Vacation Packages a) Which number of days gives the best unit price? b) Which number of days gives the same unit price?  • Alfonso compared the price of t-shirts at four different stores. Which stores sells the t-shirts at the lowest price per t-shirt? • Store W sells 5 t-shirts for $10.75. • Store X sells 7 t-shirts for $15.75. • Store Y sells 10 t-shirts for $20.50. • Store Z sells 12 t-shirts for $26.40.

  25. Do Now -- √100, 32 • Please respond to the following on your guided notes SILENTLY & INDEPENDENTLY: • Antonio is looking to buy music online. Which company has the best price per song? • Music N More: 25 sonfs for $18.25 • Jammin’ Tunes: 15 songs for $11.25 • Tunes-R-Us: 30 songs for $20.70 • Discount Songs: 10 songs for $7.30. • Which product is the least expensive per ounce?

  26. Today’s Agenda • Do Now – 8 minutes • Group Work Investigation – 10 minutes • INM – 5 minutes • Group Work GP – 12 minutes • IP – 10 minutes • Exit Ticket – 5 minutes

  27. Today’s Objective • SWBAT determine how much money will be saved by purchasing the product with the best buy.

  28. Part Work Investigation • After learning, what we did yesterday, we will take it a step forward. • With your partner, you will all begin working on problem 1. • You will have 5 minutes to solve problem 1. • Afterward, we will go over it. • You may use your notes, your calculators, and each other! • You are using your inside voices! • TRY YOUR HARDEST – YOU CAN FIGURE IT OUT! 

  29. Best Buy • Example 1: Ms. Misconish wants to buy markers for the class. She has two different options: • Option A: 10 markers for $1.25 • Option B: 50 markers for $4.75. • If Ms. Misconish needs 125 markers for her students, which package should she buy and how much money will she save by purchasing one option over the other?

  30. Best Buy • Example 2: Ms. Shipp is ordering books for the school. She has two different packages she can order. • Package 1: 20 books for $185 • Package 2: 50 books for $65 • If Ms. Shipp is buying 160 books, which package is best and how much money will she save buying one package over the other?

  31. Best Buy • Example 3: Coach Tang is buying soccer balls for the girls soccer team. He has two different packages she can order. • Package 1: 30 soccer balls for $25. • Package 2: 12books for $12. • If Coach Tang is buying 60 soccer balls, which package is best and how much money will he save buying one package over the other?

  32. Best Buy • Example 4: Ms. Misconish is buying snacks for her class who met the big goal on the last unit assessment. She has two options. • Sam’s Club: 50 bags of chips for $30. • Cost-Co: 25 bags for $27. • If Ms. Misconish needs 200 bags of chips. Where should she buy the chips and how much money will he save buying at one store over the other?

  33. Best Buy • Example 5: Ms. Pitts is buying test tubes for her science lab. She has two different options to purchase the test tubes. • Mail-Order Store: 15 test tubes for $9.00. • Internet Order Store: 35 test tubes for $20.00. • Ms. Pitts needs 133 test tubes. Where should she buy the test tubes and how much money will he save buying from one vendor over the other vendor?

  34. Best Buy • Example 6: The administration is buying agenda books for all the students at Kate Bond. There are two different packages they can buy the agenda books. • Package 1: 100 books for $85.00. • Package 2: 25 books for $22.00. • The school need 1,225 agenda books. Where should they buy the agenda books to get the cheapest price and how much money will they save buying one package over the other?

  35. Best Buy • Example 7: Wal-Mart offers different packages of Oreos. • Package 1: 3 sleeves of Oreos for $3.25. • Package 2: 5 sleeves of Oreos for $4.75. • The concession stand needs 34 sleeves for the games this week. Which package should they buy and how much money will they save buying one package over the over package?

  36. Best Buy • Example 8: Ms. Misconish needs to replace all her Expo markers for whiteboard practice this week. There are two different package options at Wal-Mart. • Package 1: 5 markers for $3.20. • Package 2: 12 markers for $7.75. • Ms. Misconish needs 36 markers. What package should she buy if she wants to spend the least amount of money and how much money will she saving buying one package over another?

  37. Best Buy • Example 9: KBM is buying balloons for the homecoming pep rally. Target has two options. • Option A: 10 balloons for $1.35. • Option B: 25 balloons for $1.85 • The school needs 220 balloons. Which package should they buy and how much money will they save buying one package over the other?

  38. Best Buy • Example 10: Mr. Lowe is buying books for his class. He can buy them in the following packages. • Package 1: 2 books for $5.00. • Package 2: 4 books for $ 8.00. • Mr. Lowe needs to purchase 45 books. Which package should he buy and how much money will he save buying the cheaper option?

  39. Exit Ticket • Each of you will complete your exit ticket on a note card. • You will complete the exit ticket in 5 minutes and it must be turned in before you can exit the classroom. • You must work SILENTLY and INDEPENDENTLY. • HOMEWORK – Worksheet

  40. Exit Ticket • Ms. Misconish went to the store to buy calculators. The following packages of calculators are available at the store: • 3 calculators for $24.45 • 4 calculators for $31.00 • Ms. Misconish needs to buy 36 calculators. How much money will she save by purchasing 36 calculators in packages with the lowest unit price compared to the highest unit price? • Use the table for questions a and b. • Which size has the best price per fluid ounce? • Which size has the most expensive price per fluid ounce?

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