Maths

Stretch – Powers & Index Notation

Stretch (independent-school 11+): read and evaluate small powers such as 2⁵ and 10⁴ and use index notation.

MathsAge 11+25 minutes

What this topic covers

  • Read index notation: the base and the index (power).
  • Evaluate powers of 2, 3, 5 and 10 with small indices.
  • Distinguish 2⁵ from 2 × 5 and from 5².

Core concept summaries

Key ConceptsBase and IndexPowers of 2, 3, 5 and 10Not Times, Not Swapped

Practice formats pupils may meet

NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.

clozematchingquiz

Example quiz question

What is 2⁴?

  1. 24
  2. 8
  3. 16
  4. 6
Show the answer

Answer: C. 16

2 × 2 × 2 × 2.