Chapter 10.1
Perimeter of compound shapes
Break shapes into sections to sum their boundaries.
Chapters
10
Compound shapes, prisms, cylinders + conversions.
Time invested
7.5 hrs
Approximate guided learning.
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Chapter 10.2
Area of compound shapes
Partition complex figures to calculate total area.
Chapter 10.3
Area of parallelograms
Use base × height strategies and tiling arguments.
Chapter 10.4
Area of trapeziums
Apply the average-base formula to trapezia.
Chapter 10.5
Surface area of cuboids
Sum the areas of rectangles on 3D nets.
Chapter 10.6
Surface area of prisms
Generalise surface area by combining bases and rectangles.
Chapter 10.7
Volume of cuboids
Use length × width × height and real-world contexts.
Chapter 10.8
Volume of prisms
Find base area first, then scale by length.
Chapter 10.9
Volume of cylinders
Combine circle area knowledge with prism reasoning.
Chapter 10.10
Converting area & volume units
Switch between cm²/m² or cm³/m³ accurately.
Next steps
Need more transformation practice? Head back to Section 9, or continue forward into Section 11 for statistics and probability.