index notations

Index Notation

Master index notation with this lesson! Students will learn to express numbers in index form, convert between standard and index notation, and solve problems using their knowledge of repeated multiplication.

Target Grade:

Lesson Overview

Index Notation

Master index notation with this lesson! Students will learn to express numbers in index form, convert between standard and index notation, and solve problems using their knowledge of repeated multiplication.
index notations
Description

By the end of this unit, students will:

  1. Understand the concept of index notation and its role in representing repeated multiplication.
  2. Express numbers in index notation and convert between index notation and standard form.
  3. Apply their knowledge to solve problems involving index notation.

Key Stage 3: Algebra

  • use and interpret algebraic notation, including:
    • ab in place of a Ă— b
    • 3y in place of y + y + y and 3 Ă— y
    • a² in place of a Ă— a, aÂł in place of a Ă— a Ă— a; a²b in place of a Ă— a Ă— b
    • a/b in place of a Ă· b
    • coefficients written as fractions rather than as decimals
    • brackets

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Last updated on: February 16, 2026

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