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7Px 26 Hui-Tanguru 2013 What we will do What we will learn Preliminaries and roll The importance of starting well Write down the KEY thing we need to do.

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Presentation on theme: "7Px 26 Hui-Tanguru 2013 What we will do What we will learn Preliminaries and roll The importance of starting well Write down the KEY thing we need to do."— Presentation transcript:

1 7Px 26 Hui-Tanguru 2013 What we will do What we will learn Preliminaries and roll The importance of starting well Write down the KEY thing we need to do to pass this Achievement Standard The one thing that might mess us up, even if we get everything else right Use our new technique on the teeter plank How to implement the technique Learn how to find uncertainties in the transformed variable How to deal with uncertainties when transforming graphs Two ways to find the uncertainty in the slope of a number Two possible ways of finding the uncertainty in the slope Why Mr H prefers one over the other Watch Mr H use the HDEF on the preliminary question Another way of tackling the questions in the book Set some new HW and a new due date PLUS have some HRT, if time. How to influence our workstream How to make good use of time.

2 No. of marks What for 1 Having sketches and FULL working 1 Neat presentation and down-page format 1 Answer underlined and units given 1 Self marked and all correct – eventually 1 In on time and signed for (“This is my own work”…….) Total A mark out of five that will contribute to the “homework” grade in the reports

3 HW item Skills practiced Prac: Unit 1 Due pd 1, Thurs 21 Feb 13 Measurement and data

4 mass (kg)d (m) 0.51.642 0.61.45 0.71.37 0.81.153 0.91.025 10.929 1.50.58 20.434

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6 mass (kg)d (m)@@@log mlog d 0.51.642@@@-0.3010299960.215373153 0.61.45@@@-0.221848750.161368002 0.71.37@@@-0.154901960.136720567 0.81.153@@@-0.0969100130.061829307 0.91.025@@@-0.0457574910.010723865 10.929@@@0-0.03198429 1.50.58@@@0.176091259-0.23657201 20.434@@@0.301029996-0.36251027

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9 1/m (kg^-1)d (m) 21.642 1.66666671.45 1.42857141.37 1.251.153 1.11111111.025 10.929 0.66666670.58 0.50.434

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