Math & Numbers Facts for Kids

Mathematically, some infinities are bigger than others — the infinity of real numbers is larger than the infinity of whole numbers.

Pythagoras, famous for his triangle theorem, started a secret math club in ancient Greece where members weren't allowed to eat beans.

Tessellations are patterns of shapes that fit together perfectly with no gaps — like tiles on a floor or honeycombs in a beehive.

Pi Day is celebrated on March 14 (3/14) because pi starts with 3.14 — and it's also Albert Einstein's birthday!

Sudoku puzzles use numbers but they're really logic puzzles — you could replace the numbers with colours or symbols and they'd work the same.

The largest known prime number has over 41 million digits — it would take thousands of pages to print.

Fractals are math patterns that look the same no matter how much you zoom in — they appear in snowflakes, trees, and coastlines.

The + and − signs were first used in the late 1400s — before that, people wrote out the words "plus" and "minus."

A perfect number equals the sum of its divisors — 6 is perfect because 1 + 2 + 3 = 6. Only 51 perfect numbers have ever been found.

The 9 times table has a cool pattern: the digits of each answer always add up to 9 (like 9×7=63, and 6+3=9).