Author note — to cover

Pi r squared h as the prism with circular cross-section, exact in terms of pi or rounded, the radius halved from a given diameter first, and reverse problems finding h or r. Hollow cylinders and combined solids belong to Composite solids. Both tiers. (G16, G17)

• Fluency — direct questions on volume of a cylinder, limited to this lesson's stated scope (4 questions).
• Application — use the same skill in unfamiliar or contextual questions without introducing a later method (4 questions).
• Check — questions built around the exclusions and likely misconceptions named in the lesson brief (4 questions).