Area of Rectangles (Informal Units)
Introducing the concept of area as the amount of surface covered, using informal units and square centimeters.
Key Questions
- Compare the concepts of perimeter and area, highlighting their differences.
- Design a method to estimate the area of an irregular shape.
- Explain why square units are used to measure area.
ACARA Content Descriptions
Suggested Methodologies
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Planning templates for Mathematics
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
unit plannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
rubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
More in Parts of a Whole: Fractions
Representing Unit Fractions
Identifying halves, quarters, eighths, thirds, and fifths of shapes and collections using concrete materials.
3 methodologies
Fractions on a Number Line
Locating and ordering unit fractions between zero and one on a number line, understanding their relative size.
3 methodologies
Equivalent Fractions (Halves, Quarters, Eighths)
Exploring and identifying equivalent fractions, focusing on halves, quarters, and eighths using visual models.
3 methodologies
Comparing Unit Fractions
Comparing and ordering unit fractions with different denominators using visual aids and reasoning.
3 methodologies
Metric Length and Perimeter
Measuring lengths using centimeters and meters and calculating the boundary of 2D shapes using standard units.
3 methodologies