Halloween can make even an ordinary math lesson feel a little more exciting. The trick is finding activities that are festive without losing sight of the math—or requiring hours of preparation. These Halloween math activities for middle school combine seasonal fun with meaningful practice in geometry, fractions, ratios, statistics, operations, and problem-solving. Some are hands-on, some are printable, and some are completely digital, so you can choose what works best for your students and your schedule. 1. Pumpkin Geometry Bring a few pumpkins into the classroom and let students investigate their measurements. They can measure circumference and diameter, calculate the ratio of circumference to diameter, and compare their results with pi. For an extra challenge, ask students to model each pumpkin as a sphere or ellipsoid and use the model to estimate its volume. This creates a natural opportunity to discuss why a mathematical model gives an approximation rather than an ex...