Ever dread a required math course or struggle to help someone with unfamiliar math homework? In this first module, mathematician John Mighton and engineering professor Barbara Oakley share their personal journeys from math struggles to mathematical success. You'll learn surprising insights about how your brain processes mathematics, exploring why students who struggle may have too MANY neural connections rather than too few. Through practical examples involving fractions and other fundamental concepts, you'll discover how both understanding and practice contribute to mathematical mastery. Whether you're learning math yourself or helping others learn, this module provides key insights about how the brain really tackles mathematical thinking, laying the groundwork for more effective learning strategies.

What makes math finally "click" for students? This module reveals the science behind successful math learning, exploring why students learn best when achieving about 85% success on new material. You'll discover how to build strong neural pathways through smart scaffolding - breaking complex ideas into manageable steps. Through practical examples, you'll learn why retrieval practice (pulling information from memory) proves far more effective than passive review, and see how extension activities can challenge advanced students while keeping core concepts clear. The module concludes by examining why simpler representations often work better than elaborate real-world problems, showing how to strip away distracting details so students can grasp essential mathematical patterns.

Think everyone has to learn math at the same speed? This module reveals why differences in learning pace can become strengths rather than weaknesses. Through concrete classroom examples of teaching division, you'll see how effective teachers manage different learning speeds in the same classroom, using smart extension questions to keep everyone engaged and learning. Whether you're a teacher or a learner, you'll discover why spaced practice works better than cramming, and how to turn different learning speeds into advantages for deeper understanding.

How do we spark genuine enthusiasm for math while bridging different teaching approaches? This final module explores the science of motivation and the power of multiple explanations to reach diverse minds. You'll discover how interleaving different types of problems helps build deeper understanding, and see how traditional and reform approaches to math teaching can work together. Through practical examples of tackling word problems and meeting different learners' needs, you'll learn how to make math accessible to every kind of mind. The module concludes by showing how to bring these varied approaches together to help all students succeed in mathematics.