Unit 1: Number (Review) — Math 10C
Prime factors • Rational vs. irrational • Number systems • Radicals & mixed radicals
Prime Factorization
Rationality Tests
Real Number System
Radical Simplification
Entire ↔ Mixed
What You Should Be Able To Do
- Prime-factorize integers and use prime factors to find GCF/LCM.
- Classify numbers in the real number system and justify rational vs. irrational.
- Simplify radicals and convert between entire and mixed radical forms.
- Explain why certain radicals/decimals are rational or irrational.
Progress autosaves to this device.
Video Library
Interactive Lab
Prime Factorization + Factor Tree + GCF/LCM
Number-System & Rationality Analyzer
Radical Simplifier (Square Roots)
Random Practice
Generate a quick set of practice problems (answers shown below each set).
Unit 1 Quizzes
Downloadable Review
Quick Practice Scratchpad
Try: factor \(840\); classify \(0\), \(-\dfrac{5}{2}\), \(\sqrt{45}\); simplify \(\sqrt{180}\) and convert to entire radical.