/Stacie Bender

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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. 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