Measurement: Length, Mass, and Volume · Semester 1

Surface Area of Cubes and Cuboids

Students will calculate the surface area of cubes and cuboids by finding the sum of the areas of all their faces.

Key Questions

  1. Explain what 'surface area' represents and how it differs from volume.
  2. How can drawing a net of a 3D shape help in calculating its surface area?
  3. Analyze real-world scenarios where calculating surface area is necessary (e.g., painting a box).

MOE Syllabus Outcomes

MOE: Measurement and Geometry - S1MOE: Volume and Surface Area - S1
Level: Primary 3
Subject: Mathematics
Unit: Measurement: Length, Mass, and Volume
Period: Semester 1

Suggested Methodologies

Collaborative Problem-Solving

Structured group problem-solving with defined roles

25–50 min

Learn more about Collaborative Problem-Solving

Think-Pair-Share

Individual reflection, then partner discussion, then class share-out

10–20 min

Learn more about Think-Pair-Share

Flipped Classroom

Pre-learn at home, apply and deepen in class

30–55 min

Learn more about Flipped Classroom

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More in Measurement: Length, Mass, and Volume

Units of Measurement and Conversion (Length)

Students will review and apply conversions within the metric system for length (mm, cm, m, km) and solve problems involving different units.

3 methodologies

Perimeter of Composite Figures

Students will calculate the perimeter of composite 2D figures involving combinations of rectangles, triangles, and other polygons.

3 methodologies

Area of Triangles and Parallelograms

Students will derive and apply formulas for the area of triangles and parallelograms.

3 methodologies

Area of Composite Figures

Students will calculate the area of composite 2D figures by decomposing them into simpler shapes.

3 methodologies

Volume of Cubes and Cuboids

Students will calculate the volume of cubes and cuboids using the formula length × width × height, and understand units of volume.

3 methodologies

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