Guessing Ages Teacher Notes Have fun today! Slide 13 asks you to give students your age. Purpose Recall how to graph a scatter plot Identify independent and dependent variables of a data set. Learn how to identify, understand, and apply an understanding the correlation in a scatter plot: positive vs. negative and strong vs. weak. Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015

Regression Equations Unit Launch Guessing Ages Regression Equations Unit Launch Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015

Launch You are going to guess ages of famous people. How could you determine who at your table is the best guesser? Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015

Practice Target Practice 4: Model with mathematics. 2-7 Solving Equations With Algebra Tiles powerpoint Practice Target Practice 4: Model with mathematics. Practice 4: Model with mathematics. 4 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015

2-7 Solving Equations With Algebra Tiles powerpoint Learning Target Modeling Data Learning Target S-IDc I can interpret linear models. Construct a scatter plot on paper and with technology. Describe the relationship between both variables. M1.3.G Describe the correlation of data in scatterplots in terms of strong or weak and positive or negative. We are getting ready to start this target. Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015

Explore Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015

Guessing Ages How old is … ? Barack Obama Katy Perry Aubrey Graham LaMarcus Aldrige Harry Styles Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 7

Guessing Ages How old is … ? Teacher’s Choice Meryl Streep Jennifer Lawrence Kayne West Rico Rodriguez Teacher’s Choice – The easiest is you. If you don’t want students to know your age, do a little research. Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 8

The Actual Ages Guessing Ages 9 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 9

Barak Obama 52 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 10

Katy Perry 29 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 11

Aubrey Graham 27 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 12

Lamarcus Aldridge 28 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 13

Harry Styles 20 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 14

Teacher’s Choice __ Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 15

Meryl Streep 64 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 16

Jennifer Lawrence 23 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 17

Kanye West 36 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 18

Rico Rodriquez 15 Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 19

Guessing Ages Make a scatter plot of your data. Draw a line that models your data on your scatter plot. Explanatory: actual age – my guess is related to how old I think the person is. Zak Efron is much younger than Morgan Freeman Response: guessed age TALES; Title, Axes, Labels, Scales Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 20

Guessing Ages Who in your group was the best guesser? Use at least one representation to support your claim. Explanatory: actual age – my guess is related to how old I think the person is. Zak Efron is much younger than Morgan Freeman Response: guessed age TALES; Title, Axes, Labels, Scales Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015 21

Debrief What do you need to draw a scatter plot line that models data What do you think a perfect guesser’s scatter plot would look like? Algebra 1 by Southwest Washington Common Core Mathematics is licensed under a Creative Commons Attribution 4.0 International License.  2014-2015