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Journal: Date: 1/22/2019 Title: WDYE 4.2 Making Purple

Math CC7/8 – Be Prepared. Unit: What Do You Expect?. Journal: Date: 1/22/2019 Title: WDYE 4.2 Making Purple 3 ) Sign off neighbor's HW from last night.  4) Warm Up: A grocery store sells 3 different sizes of milk and 4 different brands. How many different ways can you buy milk?.

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Journal: Date: 1/22/2019 Title: WDYE 4.2 Making Purple

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  1. Math CC7/8 – Be Prepared Unit: What Do You Expect? Journal: • Date: 1/22/2019 • Title: WDYE 4.2 Making Purple 3) Sign off neighbor's HW from last night.  4) Warm Up:A grocery store sells 3 different sizes of milk and 4 different brands. How many different ways can you buy milk? On Desk: Turn In: Check Family Access. Are you missing anything? In Your Planner: HW: p. 82, #8-10, 32 2.MSA Retake-Thurs. Jan. 24th 3. WDYE Unit Test-Fri. Jan. 25th

  2. Tasks for Today • Warm Up • Correct Partner Quiz – Cave Models review • Lesson 4.2 –More Area Models • Begin HW?

  3. Warm Up: P(library) = 15/100 P(Den) = 6/100 P(DH) = 28/100 P(GH) = 30/100 P(FH) = 21/100 + + + + =

  4. Warm Up A grocery store sells 3 different sizes of milk and 4 different brands. How many different ways can you buy milk? (short cut?) Brand Size 4 x 3 =

  5. Fractional Area ModelsCAVE MODELS

  6. Use the Area Model to find the theoretical probability of landing in Cave A or Cave B

  7. Review Partner Quiz

  8. Compound Events • An event that is made up of two or more events • Example: tossing a coin and rolling a die • Two or more separate events that you put together to form one compound event.

  9. One labsheetfor each pair of students (or group of 3) One paperclip – use on both spinners Conduct the experiment 20 times(spin once on each spinner) Record results: Experimental Probability: P(Purple) = ___ / 20 R R B G B R

  10. Theoretical Probability: P (purple) = 4/18 = 2/9 Spinner B R B G R RR RG RB R RR RB RG R RR RG RB Spinner A BB BR B BG G GR GB GG YR YB YG Y

  11. 8 winners x $6 = $48 in prize money

  12. Profit= Revenue– Expense Profit= $72 - $48 = $24 in profit

  13. Exit Ticket 4.2!

  14. More Fractional Area Models: Cave Models Use the Area Model to find the theoretical probability of landing in Cave A or Cave B

  15. Use the Area Model to find the theoretical probability of landing in Cave A or Cave B

  16. Use the Area Model to find the theoretical probability of landing in Cave A or Cave B

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