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Water In A Bucket Activity A data collection, organization, and linear modeling activity for multiple grade levels. Algebra For All 13 May, 2011 Presented.

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Presentation on theme: "Water In A Bucket Activity A data collection, organization, and linear modeling activity for multiple grade levels. Algebra For All 13 May, 2011 Presented."— Presentation transcript:

1 Water In A Bucket Activity A data collection, organization, and linear modeling activity for multiple grade levels. Algebra For All 13 May, 2011 Presented by Michelle Edlbeck, Gail Everhart, Lesley Hicks, Scott Martin, Brenda Quaak, Douglas Quaak, Jamie Tuch

2 Areas of Focus for each level Data collection at all levels 6 th grade – Proper presentation table & scatter plot 7 th grade – Statistics mean median mode – Line of best fit – Slope – Data into words

3 Areas of Focus for each level Algebra 1 – Equation to model of best fit – Interpolation or extrapolation – Domain & range Algebra 2 – Non-linear relationships – Balloon - # of breaths vs diameter activity

4 Data Collection

5 Data Table

6 Scatter Plot _____________________ Label _______ Units _____________________ Label _______ Units Scale _________________ Title

7 Scatter Plot

8 Statistics Depth of water – Mean – Median Weight of bucket with water – Mean – Median No mode for either data set

9 The best fit line and the meaning and nature of slope Positive slope – As the water rises the weight increases

10 Linear model

11 Equation of the line – Slope ounces of water per inch – Y-intercept 0.67 ounces (weight of the empty bucket 3 in. of water would weigh oz 20 oz of water would have a depth of 1.06 in. 10 inches of water would weigh oz

12 Domain and range The mathematical model is only valid within the confines of the bucket. Domain- the bucket is 7.5 inches deep so Range is limited by the domain and the original weight of the bucket thus.

13 Non-linear Model Balloon activity – breaths vs circumference.

14 file:///C:/Program%20Files/TinkerPlots/Tin kerPlots%20Eval%20Ed/TinkerPlots%20 Help/Movies/ComparingGroups.avi View TinkerPlots Movies

15 file:///C:/Program%20Files/TinkerPlots/Tin kerPlots%20Eval%20Ed/TinkerPlots%20 Help/Movies/TinkerPlotsBasics.avi View TinkerPlots Movies

16 Down load a free trial copy at the following web site

17 Questions


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