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Presentation on theme: "From Blogs to the Classroom.  er_embedded&v=juTpKsb4zic er_embedded&v=juTpKsb4zic."— Presentation transcript:

1 From Blogs to the Classroom

2  http://www.youtube.com/watch?feature=play er_embedded&v=juTpKsb4zic http://www.youtube.com/watch?feature=play er_embedded&v=juTpKsb4zic

3 How many total hot dogs had each person eaten in Round 9? How many total hot dogs would each person have eaten in Round 400? How many total hot dogs would each person have eaten in Round n?

4 Is this a linear relationship? How could you PROVE it? http://robertkaplinsky.com/

5  Table of Values  Graph (not a line)  First Differences (not the same)  Equation ◦ Round x round ---- r 2 (exponent above 1) ◦ Round x round + round ---- r 2 + r

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7 Dan Myer - 3 Act Math

8  Alignment of the parabola on top/through/on bottom of the ball  Deciding whether the ball hit the backboard in the ‘sweet spot’?

9 The Detention Buy-Out With BDSS's 125th Anniversary right around the corner, admin has come up with a way to raise some extra funds for the festivities. They have decided to allow students to buy-out of detentions given for various reasons. Each administrator has come up with their own buy- out plan to offer students.

10 These three students could definitely use this buy-out scheme. However, they are unsure which plan is the best deal for them. http://tapintoteenminds.com/real-world-math/exploring-linear- relationships-and-patterning/

11 Who each student buy-out from? In general, under what conditions is each offer the best option?

12  Table of values to graphs  Equations to graphs ◦ Brought out graphing errors (scaling)  Tables of values only  IDEA of what the POI actually means in terms of the equations

13 Miss Corbett is 172 cm tall. How many cups are needed to make a stack of cups as tall as Miss Corbett? The cups are 9.6cm and 5.6 cm tall.

14  Table of Values  Expression  Trial and Error

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16  Logical Reasoning  Attempted to solve –  Attempted to solve – removed the entire cup, not the base

17  Divided by height of cup – checked and realized it didn’t make sense  Table of Values ◦ First Differences  Expression to equation ◦ solved

18  How many cups does it tack for the shorter cup stack to rise above the taller cup stack.

19 Questions:  How many hot dogs does each person eat in round 9?  How many hot dogs does each person eat in round 100?  In what round would they eat 68 hot dogs?

20 TASK: With your partner, determine when the following individuals will eat the same amount: (a) Kobayashi and "Black Widow" Thomas (b) Kobayashi and Jordan (c) "Black Widow" Thomas and Jordan A late addition to the commercial, Jordan starts by eating 15 hot dogs. Not being as experienced as the other Major League Eater's (MLE), in the second round he eats 12 hot dogs and in the third round he eats 9 hot dogs.

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22  How long would it take to print all of these sheets?  Dan Myer’s 3-Act Math

23  http://mrvaudrey.com/tag/mullet-ratio/ http://mrvaudrey.com/tag/mullet-ratio/  http://blog.mrmeyer.com/?paged=3 http://blog.mrmeyer.com/?paged=3 ◦ http://www.graphingstories.com/ http://www.graphingstories.com/ ◦ https://docs.google.com/spreadsheet/ccc?key=0AjI qyKM9d7ZYdEhtR3BJMmdBWnM2YWxWYVM1UWowTE E#gid=0 https://docs.google.com/spreadsheet/ccc?key=0AjI qyKM9d7ZYdEhtR3BJMmdBWnM2YWxWYVM1UWowTE E#gid=0 ◦ http://www.101qs.com/ http://www.101qs.com/  http://robertkaplinsky.com/ http://robertkaplinsky.com/  http://nathankraft.blogspot.ca/ http://nathankraft.blogspot.ca/  http://fawnnguyen.com/ http://fawnnguyen.com/  http://tapintoteenminds.com/real-world- math/exploring-linear-relationships-and- patterning/ http://tapintoteenminds.com/real-world- math/exploring-linear-relationships-and- patterning/


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