Broken Calculator: 2-Digit Addition

Broken Calculator: 2-Digit Subtraction

Adding and Subtracting Fruit

Use super cute fruit to introduce algebraic thinking to your young math students.

Back to School Math Worksheets

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

Contig

Roll three dice and combine them using any mathematical operation. But be strategic to maximize your points!

Spring Math Worksheets: Addition and Subtraction

Four sets of 2-digit and 3-digit addition and subtraction practice. But the unknown isn’t where you expect it to be!

Math Curiosity: Magic Triangles

Can you make each side of this triangle add up to 9 using the digits 1-6?

Racetrack – Race Around A Graph

How fast do you get your mathematical car going without crashing?

How Many Ways: Fraction Subtraction 234

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

How Many Ways: Fraction Subtraction Equals 1/2

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

Game: Number Scrabble

What if we played Tic-Tac-Toe with numbers and instead of three-in-a-row, we add up to 15? Well… then we’d have Number Scrabble!

Subtraction: 3 Digits Minus 2 Digits (Single Solution)

Typical practice problems don’t move students up Bloom’s Taxonomy. With this framework, you’ll see kids stop and really think about how to approach multi-digit subtraction.

Subtraction: 3 Digits Minus 2 Digits (Multiple Solutions)

Typical practice problems don’t move students up Bloom’s Taxonomy. With this framework, you’ll see kids stop and really think about how to approach multi-digit subtraction.

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!

Evens and Odds – Addition and Subtraction

When we’re adding and subtracting, do evens make odds into evens? Do odds make evens odd? Which one has… more power!?

Create Your Own Operation

The commutative and associative properties are a whole lot more interesting when you apply them to a mathematical operation that you created!

Parentheses: How big of a change can they make!?

Two tiny parentheses. One expression. How big of a change can they make? Bigger than you think.

How Many Ways: Times Equals Minus

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

Math Curiosity: Magic Squares

Imagine a 3×3 square in which every row, column, and diagonal have the same sum. That’s a magic square!

Math Curiosity: Odds & Squares

Why does the sum of the first 5 odds also equal 5 squared?

Math Curiosity: Primes and Squares

Can any perfect square be written as the sum of two primes?

Fraction Puzzlers: Add and Subtract Fractions To Reach A Number

You only have six digits to form three fractions. Can you combine them to get to 0?

The Game of 100

Who can get to 100 first in this simple, but delightful, math game?