Factors and Codes: First Names (Episode 2)
Scrambled up somewhere in 161,000 is a first name. Can you find it!?
Factors and Codes (Episode 1)
Let’s use factors to encode and decode words.
Fizz Buzz: A Counting and Divisibility Game
Ready for a tricky counting and divisibility game?
Math Curiosity: Ulam Spiral
What if we make a huge spiral of numbers and then highlight only the primes? Well, a bunch of weird patterns show up!
Math Curiosity: Goldbach’s Conjecture
Can any even number be written as the sum of two primes? Goldbach thought so, but we haven’t proven it… yet!
How Many Ways: Times Equals Times
How many different ways can you make this math statement true using only the digits one through nine?
How Many Ways: 2 Digit ÷ 1 Digit = 1 Digit
How many different ways can you make this math statement true using only the digits one through nine?
Math Curiosity: Four Squares
Every positive integer can be written as the sum of (at most) four perfect squares!
Why Is Our Calendar So Weird!?
Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!
Math Curiosity: Waring’s Conjecture
So, can you write every odd (greater than 3) as the sum of three primes?
Math Curiosity: Legendre’s Conjecture
It seems like there’s always a prime number between two perfect squares… but is this always the case!?
Math Curiosity: Finding Primes
Prime numbers are unpredictable! How can we possibly find them all? An Ancient Greek mathematician found one way!