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Proportional Reasoning Using a Double Number Line

January 7, 2020 at 09:00:00 PM · Eastern Time (US & Canada)
About This Webinar

To think proportionally or not to think proportionally is that the question? Is everything relative? How can we scaffold proportional thinking beyond ratio tables or ‘cross multiply’ by using a double number line? In this session I will share my journey with moving students from multiplicative thinking to proportional reasoning.

Recommended Grade Level: 6-12

Who can view: Everyone
Webinar Price: Free
Featured Presenters
Webinar hosting presenter S. Leigh Nataro
Host Coordinator
I am a mother, wife and math teacher. I currently teach at Moravian College in Bethlehem, PA and my favorite class to teach is statistics! This is my 27th year of teaching and I am a Desmos fellow and Desmos certified presenter. @mathteacher24 is my twitter handle and I blog at mathteacher24.blogspot.com. I have several tech related videos for stat and TI-NSpire at www.youtube.com/mathteacher24. Feel free to ask me questions about National Board Certification (renewed in 2015). I also enjoy singing, reading and staying fit using workouts from Beachbody (P90X3/TurboFire/21DFX).
Webinar hosting presenter Christine Lenghaus
Christine Lenghaus is a secondary school maths teacher who has taught in government and private schools in both regional and metropolitan Victoria, Australia. She currently teaches in the Technical and Further Education (TAFE) sector which is government run. Previously for the GMD she has presented two webinars on Visual strategies for teaching mathematics. She has presented at the annual Mathematical Association of Victoria (MAV) conference year for ten years (2007-2017); the Queensland Association of Mathematics Teachers conference in 2016 and in April 2018 she presented at the BCME conference in the UK at Warwick University. Last year she went interstate to South Australia to present and travels across the state of Victoria sharing her passion for teaching and learning maths when not in the classroom.
Hosted By
Global Math Department webinar platform hosts Proportional Reasoning Using a Double Number Line
We are math teachers who share what we've learned, because we don't want our classes to drain the energy from students. Professional development among friends, not just colleagues. Fun! Immediately useful! Interesting!
Documents
template_sphinx.docx
Preview Download Added by S. Leigh Nataro at 10:26 PM - Monday - January 6, 2020
Double_number_lines_poster.pdf
Preview Download Added by S. Leigh Nataro at 10:26 PM - Monday - January 6, 2020
Global_Math_Department_Proportion_Using_Double_Number_lines_Lenghaus.pdf
Preview Download Added by S. Leigh Nataro at 10:26 PM - Monday - January 6, 2020
Experiments_with_Elastics.docx
Preview Download Added by S. Leigh Nataro at 10:27 PM - Monday - January 6, 2020