Sen Lin, PrepPass Founder · Verified against ASQ Six Sigma Green Belt (CSSGB) certification · How we review
Lean Six Sigma Green Belt exam topics — the 5 content areas by weight
The Lean Six Sigma Green Belt exam is built from 5 weighted content areas. Focus your time where the weight is. Each area below links to a free study chapter and practice questions. Weights reflect the official content outline.
Define
18%Measure
22%Analyze
22%Improve
20%Control & Lean Fundamentals
18%Ready to test yourself?
Drill 22+ free Lean Six Sigma Green Belt practice questions across every content area, then sit a full timed mock exam — no signup required.
Content-area weights reflect the official Lean Six Sigma Green Belt content outline. Confirm current details with ASQ Six Sigma Green Belt (CSSGB) certification. Study aid, not a substitute for the official material. Last updated: August 2026.