Using Your Love of Math on Valentine’s Day
MarcBrea
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In the mathematics classroom, you can share your love of Math with students by graphing or completing a construction of heart shaped graphs. The following math programs are free to download or already built into your computer.
Microsoft Mathematics
Microsoft Mathematics is a free calculator software (all you need is an Outlook.com or Google account) that will allow you to graph an inequality of a heart by typing in y<x +1-x2 and y>x-1-x2 .
Geogebra
A Cardiod is a heart shaped graph that you can easily construct in Geogebra. The graph I will demo is made by graphing the intersection of a tangent of a circle and a line perpendicular to that tangent on another point on the circle. Watch the following video on how to create that construction.
Grapher for the Mac
Owning a Mac sometimes leads you to think that you do not have access to the mathematics tools that PC users have. But, installed in every Mac is Grapher – a built in graphing utility. Grapher allows you to graph 3D models.
Using the equation (2×2+y2+z2-1)3-x2z310-y2z3=0 creates the picture of this graph in the Grapher app.
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Illuminations recently published several Valentines Day activities for Math. Check them out:
“Heart Construction Brain Teaser” – http://goo.gl/eijsPD (Grades 4-8)
“How do I love Thee? Let me Plot the ways.” – http://goo.gl/sSljq3 (Grades 8-12)
“How do I love Thee? Let me graph the ways.” – http://goo.gl/RCh8kY (Grade 11-College)