Author note — to cover

Meaning of base and index for positive integer powers; writing repeated multiplication as a power and back; evaluating squares, cubes and small powers like 2 to the 5 without a calculator. The index laws live in their own group; algebraic indices live in Algebra. Both tiers. (N6)

• Fluency — direct questions on index notation and powers, 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).