Al Richards

I am a full-time e-learning teacher of mathematics, physics & accounting. I have a YouTube channel with mostly math videos but some physics & accounting too.

[Al Richards @alrichards314]

@JimWatsonOttawa Evil like what happened during the Holocaust is only possible when people stand by and do nothing. I'm not Jewish, but still find this analogy insulting.

[Al Richards @alrichards314]

Rotate 180° https://t.co/2fXZKJU2DA via @YouTube

[Al Richards @alrichards314]

Drawing a Cube on Isometric Dot paper https://t.co/BLQ2AuovLe via @YouTube

[Al Richards @alrichards314]

RIP Captain Sir Tom Moore. Loved his mantra, "Tomorrow will be a good day."

[Al Richards @alrichards314]

@TheGinoRusso @Mr_Rablin I agree Gina. Think big picture everybody.

[Al Richards @alrichards314]

I haven't tweeted in awhile, but wanted to say RIP Kathleen Heddle. You are a true Canadian champion.

[Al Richards @alrichards314]

@WallwinS Check out https://t.co/jV3wzFR7Kp. It's a great whiteboard collaboration tool for math or science teachers. You can invite multiple people into the whiteboard space.

[Al Richards @alrichards314]

TVO Mathify's free online math tutoring system for grades 6 to 10 ON students is open Mon to Fri 9 am to 9 pm & Sun 3 pm to 9 pm. Share this url so students & parents know how Mathify can can help: https://t.co/ghv1kFYYR3

[Al Richards @alrichards314]

One sign professional hockey players make too much money: they break their stick when they get mad. That's certainly being a good role model for young hockey players (NOT!).

[Al Richards @alrichards314]

Cross Multiplying Shortcut: https://t.co/R771E2SC85 via @YouTube

[Al Richards @alrichards314]

The Cosine Law: https://t.co/RU0aaT4Pd8 via @YouTube

[Al Richards @alrichards314]

Deivation of the Cosine Law: https://t.co/UVWdUz60lq via @YouTube

[Al Richards @alrichards314]

The Sine Law: https://t.co/A11NUPl6db via @YouTube

[Al Richards @alrichards314]

Derivation of The Sine Law: https://t.co/jI5FRZImfQ via @YouTube

[Al Richards @alrichards314]

Primary Trigonometric Ratios: https://t.co/YUJx1WwFvC via @YouTube

[Al Richards @alrichards314]

The Basics of Trigonometry and Why It Works: https://t.co/90pqEoDGwS via @YouTube

[Al Richards @alrichards314]

U1A1 1 Consolidation answers: https://t.co/89cfZKop3g via @YouTube

[Al Richards @alrichards314]

Similar vs Congruent Triangles: https://t.co/yv3EMPVvLx via @YouTube

[Al Richards @alrichards314]

Quadratic Formula Derivation: https://t.co/eytiQuZXh5 via @YouTube

[Al Richards @alrichards314]

Solving a Quadratic Equation from Vertex Form or a Perfect Square Form: https://t.co/SzUNl9t57t via @YouTube