KnowMo
Problem Style Questions for Sequences
The video is a lecture on solving problems related to sequences. The lecturer explains that this topic is a favorite for examiners because they can ask various questions that require logical thinking beyond applying class processes. The...
Curated Video
Can You Solve The Marriage Logic Problem? 80% Fail
Surveys have found 80 percent get this logic problem wrong. Alice is looking at Bob, and Bob is looking at Charlie. Alice is married; Charlie is not. Is a married person looking at an unmarried person? Answer choices are A) Yes, B) No,...
Kids Academy
Solving Word Problems for Grade 1 | Math | Kids Academy
Welcome our new video: Solving Word Problems for Grade 1 | Math | Kids Academy Solving word problems are a very important lesson and a basic concept for kids. It is important for the kids to learn it because this becomes very important...
Curated Video
Can You Solve The Problem That Inspired Probability Theory? (Problem Of The Points)
Fermat and Pascal played a coin flipping game. Fermat got 1 point if the coin showed heads, and Pascal got 1 point if if the coin showed tails. The first to 10 points won a prize of 100 francs. At a score of 8-7 with Fermat leading, the...
Bill Carmody
The Importance of Focusing on Sales in Marketing
In this video, Bill Carmody highlights the common mistake of focusing on impressions rather than sales in marketing. He emphasizes the importance of driving sales and generating revenue as the ultimate goal of any marketing strategy,...
Curated Video
Using Picture Graphs to Solve Take-Apart Problems
This video is a lesson on solving take-apart problems using information from picture graphs. It teaches students how to interpret and analyze data presented in a graph, and apply it to solve mathematical problems. The video also...
Bizarre Beasts
Extinction, A Pyramid Scheme, & The World's Largest Salamander
Releasing Chinese giant salamanders back into the wild sounds like a good idea, but it's causing problems for the salamanders and for our understanding of what a species even is.
Seven Dimensions
Applying LOGIC
This video explains LOGIC, a process of critical thinking that enables a more systematic approach to solving problems. When you are confronted by tricky issues or complex problems use Eve Ash's simple formula to help with the process.
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Control Flow in Python: Comments and Problem-Solving Practice with If
In this video, we will cover comments and problem-solving practice with If. This clip is from the chapter "Basics for Data Science: Python for Data Science and Data Analysis" of the series "Data Science and Machine Learning (Theory and...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Control Flow in Python: Loops Practice-Sorting Problem
In this video, we will cover loops practice-sorting problem. This clip is from the chapter "Basics for Data Science: Python for Data Science and Data Analysis" of the series "Data Science and Machine Learning (Theory and Projects) A to...
Curated Video
Living Well - Succeeding Big: 3 Lessons from Charlie Munger
Have you heard of Charlie Munger? A lot of people haven't. But you should. Charlie is the business partner of the more famous Warren Buffett. He's the Vice-Chairman of Berkshire Hathaway, the US investment giant that makes its...
Curated Video
Can You Solve A Problem That Stumped A Stanford Math Major? The Ratio Of Areas Of Squares
I majored in math at Stanford, but this geometry problem stumped me and I had to look up the solution. A square is inscribed in a circle. A smaller square is drawn; one side is shared with the inscribed square, and the other two corners...
Curated Video
Can You Solve This Problem For 12 Year Olds In Singapore? 4 Overlapping Circles Puzzle
What is the area between a large circle and 4 smaller circles as shown in the diagram? The large circle's diameter is 84. This problem was given to primary school students in Singapore. Can you figure it out? Watch the video for a...
Curated Video
Many Adults Cannot Solve This Problem For Kids - The Fair Sharing Puzzle
A, B, and C share food at a party, and C pays A and B fairly. How much should each person get? The correct answer seems unfair, but it is surprisingly the only way to be fair. Version where I heard this problem with chapatis (2007)...
Curated Video
HOW SMART ARE YOU? 80% FAIL The Dance Club Line Logic Riddle
There is a long single-file line outside of a dance club. The first person in line is unmarried, and the last person in line is married. Each person in line only looks at the person in front of them. Is a married person looking at an...
Curated Video
The REAL Answer To The Viral Chinese Math Problem "How Old Is The Captain?"
Media outlets around the world went crazy over a 5th grade math exam question in China. But they all missed the real story! The problem actually dates back to French researchers in 1979. In this video I present the real story to the...
Curated Video
Can You Solve The Mind-Twisting Logical List Riddle?
In a list of 10 statements, the nth statement says there are exactly n false items in the list. Which of the statements, if any, are false? What if the nth statement says there are "at least" n false items? The video presents a solution...
Curated Video
A Chinese 5th Grader Solved This In Just 1 Minute! HARD Geometry Problem
Thanks to Bill from New York for this suggestion! Bill emailed me a problem asked to 5th graders in China to identify talented students. A few very talented students did solve it in less than one minute! I was not able to solve the...
Curated Video
Can You Crack The Code? "Only Geniuses Can Solve"
This puzzle has been shared with dubious claims, but it is still a fun logic problem. Can you figure it out? Examples of puzzle and variants on social media sites https://www.reddit.com/r/puzzles/comments/9aelln/combination_lock_riddle/...
Curated Video
A Problem WolframAlpha Didn't Solve, But You Can (615 + x^2 = 2^y)
I didn't solve this problem myself, but I felt better when I learned WolframAlpha couldn't solve it either! But there is a way to solve it using careful mathematical reasoning. Thanks to Luka Khizambareli from Georgia for suggesting this...
Curated Video
Smartphone App Solves Common Core Test Problems
PhotoMath is a pretty neat app that can solve math problems instantly. Here is the app solving some sample Common Core test questions. Links to the free app and more below... PhotoMath App (Currently free on iPhones, Android, Windows,...
Curated Video
One Of The Hardest SAT Math Problems - Can You Solve It In 2 Minutes?
This was voted on Quora as one of the most difficult SAT math problems. On the SAT you have to solve each math problem in about 1 to 2 minutes. Can you solve this problem quickly? My blog post for this video https://wp.me/p6aMk-7Wd For...
Curated Video
Lune Of Hippocrates - Famous Ancient Math Problem
Hippocrates of Chios solved this, nearly 100 years before Euclid even wrote The Elements, and before we knew the exact formula for the area of a circle. This is said to be the first precise mathematical of the area between two curved...
Curated Video
Only "Geniuses" Can Solve - How Much Water To Cover The Balls?
HUGE thanks to Stephen Lerantges for solving the problem! A glass has an inner diameter of 10 cm and inner height of 10 cm. Each of the 4 balls has a diameter of 5 cm. How much water do you need to exactly cover to the top of the balls?...