Help your students master classifying numbers with these clear, student-friendly notes and practice worksheets! This resource introduces the main sets of numbers (Natural, Whole, Integers, Rational, Irrational, and Real), key symbols, and tips for classifying numbers. Students then apply what they learn with two scaffolded practice worksheets that cover identifying sets, true/false statements, membership notation, and subset relationships. Perfect for middle school math, pre-algebra, or as a re