Find A, B, C, D, E.
This was a 4th-grade math problem in Taiwan that made the news! I remember my friend gave this problem to me from her kid but she mistyped another E in the result. Took me a while but I got it!
One of my first "math for fun" videos back in 2013. pic.twitter.com/hOMV2pzkPd
— blackpenredpen | 曹老師 (@blackpenredpen) July 19, 2020
BlackPenRedPen video (English)
BlackPenRedPen video (Chinese)
China Times News
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Mind Your Decisions: Five Book Compilation
A collection of 5 books:
“The Joy of Game Theory” rated 4.1/5 stars on 97 reviews
“The Irrationality Illusion: How To Make Smart Decisions And Overcome Bias” rated 3.7/5 stars on 9 reviews
“40 Paradoxes in Logic, Probability, and Game Theory” rated 4.2/5 stars on 19 reviews
“The Best Mental Math Tricks” rated 4.3/5 stars on 21 reviews
“Multiply Numbers By Drawing Lines” rated 4.6/5 stars on 14 reviews
Mind Your Puzzles: Collection Of Volumes 1 To 3
A collection of 3 books:
“Math Puzzles Volume 1” rated 4.4/5 stars on 28 reviews
“Math Puzzles Volume 2” rated 4.4/5 stars on 9 reviews
“Math Puzzles Volume 3” rated 4.1/5 stars on 7 reviews
Connect with me
My Blog: https://mindyourdecisions.com/blog/
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2017 Shorty Awards Nominee. Mind Your Decisions was nominated in the STEM category (Science, Technology, Engineering, and Math) along with eventual winner Bill Nye; finalists Adam Savage, Dr. Sandra Lee, Simone Giertz, Tim Peake, Unbox Therapy; and other nominees Elon Musk, Gizmoslip, Hope Jahren, Life Noggin, and Nerdwriter.