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A collection of short, fun math videos explaining math concepts and minds on videos

Joined March 2015
Photo by MathVines (@mathvineaday)Photo by MathVines (@mathvineaday)Photo by MathVines (@mathvineaday)Photo by MathVines (@mathvineaday)Photo by MathVines (@mathvineaday)Photo by MathVines (@mathvineaday)
Thanks to the fabulous team of organizers of #OAME2016 for a great conference 👍👏🌞 xitter.cf/oame2016/status/728990…
Thanks everyone for an awesome 3 days of learning, sharing and leaping into math!! #OAME2016
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[NewPost} Ontario Math Links #OAME2016 Edition ontariomath.blogspot.ca/2016… links frm those tagged &more #mathchat #MTBoS
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Replying to @oame2016
@oame2016 Thanks @MarianSmall for sharing your powerful expectations for our ss. I share your dream!!!
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MathVines retweeted
Replying to @oame2016
@oame2016 Thanks @MarianSmall for sharing your powerful expectations for our ss. I share your dream!!!
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Hey, hey, hey more math coolness! Thanks! xitter.cf/mathvineaday/status/66…
Connecting the area of a parallelogram to the area of a trapezoid #developing #formula #coolgeometry vine.co/v/iuWad9w1Ien
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Hey grade 7s @DPCDSB_BFA more proof that math is awesome! xitter.cf/mathvineaday/status/70…
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So cool! New homework assignment- "create a vine to ... " Thanks @mathvineaday xitter.cf/mathvineaday/status/70…
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Try this #yohaku Fill in 4 cells to give products shown in each row/column, sum of 4 cells must be 80 #atm_2016
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Do you try these #yohaku puzzles with your students? #mathchat #mathschat xitter.cf/YohakuPuzzle/status/70…
A 3 by 3 additive #yohaku Fill the cells with 9 consecutive numbers to get the totals shown in each row/column
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Composition and decomposition. Love it! xitter.cf/mathvineaday/status/70…
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The first #Yohaku ! Fill in the cells using only prime numbers so that the rows and columns add to the given totals.
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A 2 by 2 additive #Yohaku. Make the rows and columns add to the totals shown using only factors of 24.
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A 3 by 3 additive #Yohaku. Make the rows and columns add to the totals shown using the numbers 1 to 9 once only.
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What is the area of this star? Just found a beautiful visual proof for this!
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I have a solution for the Q below but it is very algebraic & not particularly elegant: anyone see a more visual way?
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