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The Math Playground

Author: Nick Johnson

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Unbridled Mathematical Adventures: An Invitation to Experience the Enchantment of Mathematics.
24 Episodes
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Happy Perfect Day

Happy Perfect Day

2023-06-2818:53

628 is special indeed
Math Olympiad Problem

Math Olympiad Problem

2023-06-1418:56

Can you solve this? Can we incorporate Exploding Dots too?
What happens when you take the square root of any positive number an infinite amount of times?
Curriculum on fractions tends to be muddled… Does “of” really mean multiply?
More fun playing with 69
69 is Super Nice

69 is Super Nice

2023-06-1213:08

69 has an amazingly interesting mathematical property
64^x + 64^x + 8^x = 1

64^x + 64^x + 8^x = 1

2023-06-1109:43

Can you make an attempt to solve for x here?
Howie’s Meme

Howie’s Meme

2023-06-1007:29

Make subtracting “mixed numbers” easy on yourself
Math connection post

Math connection post

2023-06-0905:00

A post from the Math Connection that looked a little fun
This algorithm is just weird…
Mathematics is a joyous, uplifting, audacious, bold, wonder-filled, and playful human endeavor
If you’re going to teach math at any level, then you need to read A Mathematician’s Lament
Fun dividing in binary with Exploding Dots
Mental Math Bar Trick

Mental Math Bar Trick

2023-06-0712:53

Exploring multiplying by 11
We can prove yet another divisibility by 7 rule via the Joy of Exploding Dots 💥
Numbers can be narcissistic and perfect
31¹³ vs 17¹⁷

31¹³ vs 17¹⁷

2023-06-0610:27

Which is greater?
Can you make sense of and explain these curious divisibility rules?
The power of logs 😉
Forward of Pi of Life

Forward of Pi of Life

2023-06-0515:32

The beautiful forward of Pi of Life: The Hidden Happiness of Mathematics
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