Mr. R.'s Songs for Teaching
Number Thief Christmas Math Story with 3rd- 5th grade math word problems!
Here's a fun math story I wrote for my 3 - 5th grade math students to help learn and/or review their 6 multiplication facts, while honing their problem solving skills. This video will probably take a few class periods to complete (don't...
Curated Video
Internet Stumped By This Singapore Math Problem
It's not the famous Cheryl's birthday problem...According to Mothership, this math problem is causing a lot of confusion: "There are 37 students in a class. How many students, at the least, are born in the same month?" Now I think the...
Curated Video
Mathematicians SOLVED The BEST Way To Play Memory/Concentration (Card Game)
The card game of memory (aka concentration) is a children's game to test visual recall. Strategically you can figure out the best move by doing probability calculations. This video explains the best possible way to play the game...
Curated Video
HARD Math Riddle - Can You Solve The Ants On A Cube Puzzle?
Dave Carpenter sent me this problem by email and it's a really fun problem--I actually miscalculated the answer on my first attempt! If eight ants on corners of a cube each randomly move to an adjacent corner, what is the chance none of...
Curated Video
Students In China: Solve A Math Problem For Internet Access!
A calculus problem went viral! Some major websites are reporting that students at a university in China had to solve this for the WiFi password in a dining hall. This is actually a pretty fun calculus problem. Watch the video for its...
Curated Video
Can You Solve A Maths Competition Problem From The UK? Factorial Fractions
This is a fun problem that appeared in UKMT, an organization that organizes maths competitions and educational activities. What is the following equal to? Give your answer as an integer. (10! + 9!)(8! + 7!)(6! + 5!)(4! + 3!)(2! + 1!)...
Curated Video
Math Puzzler: Can You Make A Rectangle With One Cut?
This is a fun geometric puzzle. After it was featured on BoingBoing, people pointed out there are many more solutions as well: http://mindyourdecisions.com/blog/2015/01/21/extra-solutions-to-rectangle-puzzler/#.Vk-Y63arRaQ If you like my...
Kids Academy
Addition and Subtraction by 10 | Teaching Math for First Grade Kids Academy
Addition and Subtraction by 10 | Teaching Math for First Grade Kids Academy You are reading this article right now probably because your child is now in grade 2 and he is at that stage where you are struggling hard to educate him about...
Tarver Academy
TarverAcademy.com Intro real quick one sec probably even quicker than this title see now it's over
http://bit.ly/tarversub Subscribe to join the best students on the planet!! ----Have Instagram? DM me your math problems! http://bit.ly/tarvergram Hangout with Tyler and watch EXCLUSIVE videos!! http://patreon.com/tylertarver Get Math...
Next Animation Studio
Deadly brain-eating amoeba infection confirmed in Florida
Health officials in Florida issued a warning after a person was infected by a rare brain-eating amoeba.
Curated Video
Can You Solve The Race To December 31 Riddle?
Here's a fun game you can play with another person. The game starts on January 1. Each of two players takes turns calling out another date. The new date has to be a later date in the year with either the same month OR the same day (from...
Curated Video
A 10 Year Old Discovered This (Sum 1 To 100 - Based On True Story)
It's the final play of the 1787 World Math Championships. The talented 10-year old Gauss faces a challenging question from his math teacher. Will the young student show up his teacher, or does he still have lessons to learn? I wanted to...
Curated Video
How to Win at Sports Betting Guaranteed
This video is only to highlight math, I don't encourage gambling or sports betting. Source of problem: Su, Francis E., et al. "Sure Betting on Different Beliefs." Mudd Math Fun Facts. http://www.math.hmc.edu/funfacts. Also see my blog...
Curated Video
Guess Your Age And Shoe Size - Why The Viral Trick Works
Follow the simple instructions in the video and the result will be a fun mathematical effect! The trick got really popular a couple of years ago, but no one explained exactly why it worked. So in this video I also give the reason why the...
Curated Video
What Is The Area? "You Should Be Able To Solve This"
Thanks to Reio in Romania for emailing me this fun problem! What is the area? This puzzle was shared with the tagline "you should be able to solve this." Solution to 5th grade Chinese challenge problem https://youtu.be/OuJQaxZvlYs My...
Curated Video
INCREDIBLE DISCOVERY! Multiply By Lines Group Theory
In 2007 a viral video showed the world a new and fun way to multiply numbers visually. Now I present a new discovery - a way to supercharge the visual method with the awesome power of group theory! Subscribe:...
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 Seemingly IMPOSSIBLE Puzzle: How Old Is The Priest?
Thanks to Peter for sending me this problem! This is a really fun one and I encourage you to work it out. A priest and a cantor have a conversation about the product and sum of three visitors. After a few exchanges, the cantor figures...
Curated Video
Can You Solve These Matchstick Puzzles?
These are some fun problems you can share at a party or in a bar/restaurant. Can you figure them out? This Matchstick Puzzle Is "Extremely Hard" For Adults https://youtu.be/WrPOMtJn8cU Solutions to 3 Matchstick Puzzlers...
Curated Video
Can You Solve The 6s Challenge?
Thanks to Tyler Cenko, and Caio Cerqueira from Brazil, for suggesting this wonderful number puzzle! I had a lot of fun solving this. Can you make 6 from 3 copies of the same number, where the number ranges from 0 to 10? You can use...
Curated Video
Only Geniuses Can Find All Of The Mistakes In This IQ Test
Here is a fun little test of your intelligence. The video presents a sentence and asks you to identify all of the five errors. Can you figure it out? It is a tricky but I think many of you are clever enough to figure it out. My blog post...
Curated Video
Happy 10 Year Anniversary For Mind Your Decisions!
How time flies when you're having fun! MindYourDecisions started 10 years ago. This video, made by the same person who designed the logo, covers some of the highlights. Thank YOU for supporting me! Blog post for this video:...
Curated Video
Multiplying By Lines (Advanced Examples)
Multiplying by lines is a fun way to visually multiply numbers. This is why how you can use it for advanced examples. I wrote about the details in a book: "Multiply Numbers By Drawing Lines" https://www.amazon.com/gp/product/1500866148/...