Broken Calculator: Simplifying Fractions

Back to School Math Worksheets

In these math problems, the solution is already given. But another number is missing!

Spring Math Worksheets: Multiplication and Division

Sets of multiplication and division practice problems. But the unknown isn’t where you expect it to be!

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?

How Many Ways: Fractions Divide Equals 2/3

One equation. Digits one through nine. How many ways can you make it work?

How Many Ways: Fractions Multiply 2/3

How many different ways can you make this fraction multiplication statement true using only the digits one through nine?

How Many Ways: Divide Fractions Equal 1/4

How many different ways can you make this fraction division math statement true using only the digits one through nine?

How Many Will There Be? Sliced Circles

Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.

How Many Ways: Fraction Equivalence

How many different ways can you make this math statement true using only the digits one through nine?

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?

Undoing Multiplication With Division

Multiplication and division, natural foes, are constantly seeking to undo each other. Students will attempt to reverse the effects of multiplication by dividing once, twice, or even thrice!

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: Legendre’s Conjecture

It seems like there’s always a prime number between two perfect squares… but is this always the case!?

A Visual Guide To Dividing By Fractions

Have you ever wondered what it looks like to divide by a fraction, man?

Math Curiosity: Collatz Conjecture

The Collatz Conjecture: start with any number and get to 1 using just two rules. It seems to always work…