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Mathigon

@MathigonOrg • 37,634 subscribers

The Mathematical Playground – making learning more interactive and engaging than ever before, and FREE for everyone. Part of @amplify

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$BREAKING: Mathematicians have found an exact fraction that equals π, thereby disproving the long-standing conjecture that π is irrational. We now know that π = 1783366216531/567663097408. Learn more at$

BREAKING: Mathematicians have found an exact fraction that equals π, thereby disproving the long-standing conjecture that π is irrational. We now know that π = 1783366216531/567663097408. Learn more at

413,898 просмотров

Splitting up a circle into rings and then rearranging those rings to attempt to make a triangle is one way to investigate the formula for the area of a circle. Explore this idea further at

Splitting up a circle into rings and then rearranging those rings to attempt to make a triangle is one way to investigate the formula for the area of a circle. Explore this idea further at

112,001 просмотров

Cartographers always have to distort the surface of Earth in order to create a flat map. Notice how the same square on a map can have many different shapes and sizes in reality. Explore for yourself at

Cartographers always have to distort the surface of Earth in order to create a flat map. Notice how the same square on a map can have many different shapes and sizes in reality. Explore for yourself at

39,031 просмотров

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In partnership with Math for Love, we are excited to release Addition, Subtraction, and Division by Heart (coming soon), to join Mult. by Heart. This FREE resource is based in spaced repetition and provides visualizations for each fact. Get started at

In partnership with Math for Love, we are excited to release Addition, Subtraction, and Division by Heart (coming soon), to join Mult. by Heart. This FREE resource is based in spaced repetition and provides visualizations for each fact. Get started at

43,288 просмотров • 2 лет назад

Have you seen the new Function Machines on Polypad? Try them for yourself at and learn more about them in this Polypad Pointer video:

Have you seen the new Function Machines on Polypad? Try them for yourself at and learn more about them in this Polypad Pointer video:

39,219 просмотров • 2 лет назад

Start with 100 dice. Roll them and remove all the sixes. Repeat until there are 25 or less dice left. How many rounds will this take? Learn more about exploring this idea with students in this Polypad Pointer video:

Start with 100 dice. Roll them and remove all the sixes. Repeat until there are 25 or less dice left. How many rounds will this take? Learn more about exploring this idea with students in this Polypad Pointer video:

36,948 просмотров • 3 лет назад

New tile announcement! Snap cubes have come to Polypad! Explore for yourself at

New tile announcement! Snap cubes have come to Polypad! Explore for yourself at

28,763 просмотров • 2 лет назад

Congratulations to the winners of the 2024 Polypad Art and Music Contest!! Our team is blown away by your skill and creativity, and all the effort that went into making these spectacular works of art. 🎨🎸🏆👏 Explore more at Amplify @desmosclassroom

Congratulations to the winners of the 2024 Polypad Art and Music Contest!! Our team is blown away by your skill and creativity, and all the effort that went into making these spectacular works of art. 🎨🎸🏆👏 Explore more at Amplify @desmosclassroom

21,350 просмотров • 2 лет назад

Students around the world have answered over 100 million multiplication questions as they use spaced repetition to develop fact fluency. Learn more about Multiplication by Heart, made in partnership with Math for Love, at

Students around the world have answered over 100 million multiplication questions as they use spaced repetition to develop fact fluency. Learn more about Multiplication by Heart, made in partnership with Math for Love, at

22,349 просмотров • 3 лет назад

Have you played Factris yet? This fun game incorporates ideas of simple arithmetic, divisibility and factors. For maximum points, try to clear as many rows as possible at once. Share your score in the comments! Can you reach the high score? Play at

Have you played Factris yet? This fun game incorporates ideas of simple arithmetic, divisibility and factors. For maximum points, try to clear as many rows as possible at once. Share your score in the comments! Can you reach the high score? Play at

18,927 просмотров • 3 лет назад

Spliting and merging number cards can be helpful in visualizing regrouping when subtracting. Learn more in this Polypad Pointer video:

Spliting and merging number cards can be helpful in visualizing regrouping when subtracting. Learn more in this Polypad Pointer video:

18,219 просмотров • 3 лет назад

Using Polypad inside @desmosclassroom activities is so easy. Just add a Polypad component. Then, start creating Polypad content or easily import a pre-made Polypad. Learn more in our latest Polypad Pointer video at

Using Polypad inside @desmosclassroom activities is so easy. Just add a Polypad component. Then, start creating Polypad content or easily import a pre-made Polypad. Learn more in our latest Polypad Pointer video at

18,313 просмотров • 3 лет назад

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