https://es-cl.khanacademy.org/math/cc-third-grade-math/arithmetic-patterns-and-problem-solving 2025-11-20T17:52:28.558772074Z Arithmetic patterns and problem solving Math isn't just about numbers - it's about patterns, too! In this unit, you'll figure out how to spot patterns in different types of problems and learn cool strategies to solve them. You'll tackle word problems, master estimation, and learn to write expressions like a pro. unit