Indices and Surds
Index notation and laws, the zero and negative indices, scientific notation, and an introduction to surds.
Active lessons
7
Status
Active
Lesson flow
Learn -> Guided Practice -> Independent Practice -> Mastery Quiz
How to use this unit
- Start from lesson 1 and move through the pathway in order.
- Use guided practice before attempting independent practice.
- Mastery quizzes check whether the skill is ready for review or extension.
Unit pathway
Lesson pathway
7 of 7 active
Lesson 1
Index Notation
Read and evaluate numbers in index (power) notation.
Lesson 2
Index Laws for Multiplying and Dividing
Multiply and divide powers with the same base by adding or subtracting indices.
Lesson 3
The Zero Index and Power of a Power
Use the zero index (a⁰ = 1) and the power-of-a-power law.
Lesson 4
Index Laws Extended
Apply the index laws to products and quotients raised to a power.
Lesson 5
Negative Indices
Use negative indices: a⁻ⁿ = 1/aⁿ.
Lesson 6
Scientific Notation
Write numbers in scientific notation a × 10ⁿ and convert back.
Lesson 7
Scientific Notation Using Significant Figures
Round numbers to significant figures and write them in scientific notation.
Part of the Online Learning Package
Unit previews stay public, while individual lessons require active online learning access.