Math

How can you cross each bridge in this city exactly once?

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

In 1932, a leading authority on rattlesnakes, Laurence Klauber, discovered a startling pattern within a triangle of primes.

What if we make a huge spiral of numbers and then highlight only the primes? Well, a bunch of weird patterns show up!

Pascal’s pattern-packed triangle is a potent puzzle for pupils to ponder.

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

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

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

Students work with negative numbers to create their Polar Weather Report.

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

How heavy is the world’s heaviest pumpkin when measured in Mr. Byrds?

How many times could you fill up a jet plane using the fuel that would fit in an olympic-sized pool?

How many pounds of pasta could you cook using the water in an olympic-sized pool?

How many 2 liter bottles could you fill up using the water in an olympic-sized pool?

Your special friends sure have some unique gift needs!

Can your students figure out how to add fractions by looking for a pattern?

What if you set the stage for students to discover how to multiply fractions?

What if we took a fraction apart, then took those pieces apart, then recombined them, and then recombined those, arriving back to the original fraction?

What do you do with students who already get their fraction operations? Give them a contrived project about recipes or pizza slices? Make them solve annoyingly hard practice problems? Please. Here, we get students thinking in a whole new way, pondering which has more power, the numerator or denominator.

Which set of fractions would be the trickiest to order from least to greatest? Let’s have a tournament!

We’re looking at regular vs irregular polygons.

Which shapes go together based on parallel and perpendicular lines?

Let’s group letters by their symmetry, then create symmetrical words, and then symmetrical sentences!

What odd and interesting shapes can your students find in this geometric image?

What odd and interesting shapes can your students find in this geometric image?

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

Scrambled up somewhere in 161,000 is a first name. Can you find it!?

Let’s use factors to encode and decode words.

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

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

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

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

Ready for a tricky counting and divisibility game?

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!

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