Stacie

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So far Stacie Bender has created 83 blog entries.

Blackhawk Vector Problem

A Nebraska National Guard helicopter maneuvers Saturday morning to place sandbags near a city of Lincoln well on an island of the flood-ravaged Platte River. State of Nebraska, Courtesy photo I avoided making a nuisance of myself by not driving out to see the 2019 Nebraska floods devastation personally. However, I have spent [...]

By | 2019-03-20T19:38:11+00:00 March 20th, 2019|PreCalculus|0 Comments

Squares and Square Roots

I was thinking about a way to make square roots more visual for my students. With graph paper, I started sketching out the perfect squares and then played with numbers that form rectangles rather than squares. The video below shows the process. https://youtu.be/E4zlffv4zns Ideally, students would be introduced to this method in middle school [...]

By | 2019-02-07T21:00:04+00:00 December 29th, 2018|Algebra|0 Comments

Looking for Patterns (Arithmetic Sequences and Finite Differences)

I bought and read Jo Boaler's "What's Math Got To Do With It?" last summer. She really gave me food for thought regarding grouping by ability and gender differences. I also read "Mathematical Mindsets" this fall. As a high school math teacher, I set a goal to make my teaching more visual, delve into the [...]

By | 2018-12-02T21:30:48+00:00 December 2nd, 2018|PreCalculus|0 Comments

Foci of Parabolas Exploration

You have to love the Internet and the inspiration you get from other teachers. I put together an investigation based on the tweet below.   Inspired by a session at #T3IC last year, we used lasers to find "mystery points" (foci) of parabolas based on their lines of reflection. The conversations turned to satellites, flashlights, [...]

By | 2018-03-25T20:31:58+00:00 March 25th, 2018|Algebra II, PreCalculus|0 Comments