Te reo Māori terms
click each term to open in Te AkaLearning objective overview
Master Teaching Guide coverage for this objective.
Resources
- CorbettMaths worksheet (L-shape)Questions PDF · Answers
- Beta: Various from chapter 15
Terminology
- composite shape
- l-shape
- decompose (or break apart)
Task goals
- Decompose an L-shape or composite shape into rectangles (or a rectangle with a piece removed), and decide whether the addition or subtraction method applies.
- Find the total area of an L-shape by splitting it into two rectangles and adding their areas (the addition method).
- Find the area of a rectangle with a smaller rectangular piece removed, by subtracting the missing piece's area from the whole (the subtraction method).
- Find both the area and the perimeter of a composite shape formed by a rectangle with a square corner removed.
Teaching guidance
- Students must know how to “decompose” the shape into its smaller
- sub-shapes.
- Students should know of the addition AND subtraction methods.
Key skills
- Area
- Composite shapes
- L-shapes
Quick stats
- 81 total questions
- 3 difficulty levels
- Answers included
