TEKS Math Standard: 3.1.F

Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?

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

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

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

The North Pole hits -40°. The South Pole hits -60°. Calculate the averages, graph the data, and deliver your polar weather report.

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?

How have the ages of three countries’ populations changed from 1950 to 2020? And what problems might that create?

A triangle splits and splits and splits again. How many will there be in step 20?

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

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

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

Which are trapezoids and which are not?

Can two rectangles have the same perimeter but… different areas!?

Using exponent patterns, can students predict what the 0th power will be?

Why tell a kid the rules of a triangle when they can discover them!?

Can we classify quadrilaterals like we classify living things?

A lesson about lines, line segments, and rays that avoids dull memorization. Instead, we ponder this delightful question: Which is longer, a ray or a line? Then, kids consider what these different geometric concepts would think about each other.

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

Would you save money if you lived in Las Vegas and commuted every day to San Francisco?

In this cross-curricular investigation, students will look into an intriguing question: do donuts or salads have more sugar? They’ll grapple with misleading information, bias, and use their math skills to create a visual representation of sugar in popular foods.

Caffeine is everywhere. But what are the ads really saying? Analyze the claims, then create your own public service announcement.

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

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

What do you call two prime numbers who are very close together?

Let’s find how the diameter and circumference of famous circles are related.

Let’s create a parody ad attacking a surprisingly calorie-rich meal.

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