Summary

• Description:

  The MS Word document comprises Grade 9 Rationalized Mathematics Notes specifically for Strand 1.0: Numbers. A PDF version is also available upon request.

  These notes focus on fundamental numerical concepts and operations relevant to the Grade 9 Mathematics curriculum, covering multiple sub-strands within Strand 1.

  The document covers the following strand and sub-strands:

  • Strand 1.0: Numbers
    • Sub-Strand 1.1: Integers
      • Definition of Integers (Positive numbers, Negative numbers, Zero)
      • Basic Operations on Integers (Addition, Subtraction, Multiplication, Division)
      • Combined Operations on Integers (BODMAS)
      • Real-Life Applications of Integers (Temperature, Money, Sports, Elevation)
      • Use of IT and Resources to Explore Integers
    • Sub-Strand 1.2: Cubes and Cube Roots
      • Definition of a Cube (n³)
      • Working Out Cubes of Numbers by Multiplication
      • Real-Life Meaning of Cubes (Volume, Packaging, Construction)
      • Determining Cubes from Mathematical Tables
      • Definition of Cube Roots (∛)
      • Finding Cube Roots by Factor Method
      • Determining Cube Roots from Mathematical Tables
      • Using IT Devices to Find Cubes and Cube Roots
      • Real-Life Applications of Cubes and Cube Roots (Engineering, Transport, Agriculture, Science)
    • Sub-Strand 1.3: Indices and Logarithms
      • Definition of Index Notation (Indices/Powers/Exponents)
      • Expressing Numbers in Index Form
      • Laws of Indices (Multiplication, Division, Power of a Power, Power of a Product, Zero Index, Negative Indices)
      • Application of the Laws of Indices
      • Powers of 10 and Common Logarithms (log₁₀)
      • Using IT Tools and Mathematical Tables
      • Real-Life Applications of Indices and Logarithms (Science, Finance, Computing, Earthquakes)
    • Sub-Strand 1.4: Compound Proportions and Rates of Work
      • Understanding Proportions (Equality of ratios)
      • Dividing Quantities into Proportional Parts
      • Working with Ratios
      • Compound Proportions (Multiple ratios)
      • Rates of Work (Work done ÷ Time taken)
      • Using IT Devices and Digital Tools
      • Real-Life Applications of Compound Proportions and Work Rates (Construction, Manufacturing, Farming, Events, Cooking)

  The document provides definitions, rules, examples, and real-life applications for each sub-strand, encouraging the use of IT tools and mathematical tables for better understanding and calculation.

• File Size:

  32.69 KB
• Length:

  15 pages
• Category:

  Lesson Notes
• Level:

  Grade 9
• Subject:

  MATHEMATICS
• Posted By:

  Caleb_Peter

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