Lesson Notes By Weeks and Term v4 - SHS 2
MEASUREMENT
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MEASUREMENT
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Subject: Mathematics
Class: SHS 2
Term: 2nd Term
Week: 13
Grade code: 2.3.2.LI.3
Strand code: 3
Sub-strand code: 2
Content standard code: 2.3.2.CS.3
Indicator code: 2.3.2.LI.3
Theme: GEOMETRY AROUND US
Subtheme: MEASUREMENT
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In our daily lives, we constantly interact with objects that take up space. From the Polytank that stores our water to the sachet of 'pure water' we drink, understanding the concept of volume is essential. Volume helps us answer practical questions like: "How much water can this tank hold?", "How much concrete is needed for the foundation of a building?", or "Which container offers better value for money?". This lesson will equip learners with the skills to apply mathematical formulas to solve such real-world problems, making mathematics a powerful tool for everyday decision-making in our Ghanaian context.
A. What is Volume?
Volume is the measure of the three-dimensional space occupied by an object. Think of it as the total amount of 'stuff' (like air, water, gari, or sand) that can fit inside a container. Units of Volume: Volume is measured in cubic units. For example, cubic centimetres (cm³), cubic metres (m³), or cubic feet (ft³). Capacity: This is a related concept that refers to how much a container can hold, often measured in litres (L) or millilitres (mL).
Key Conversion: 1000 cm³ = 1 Litre (L) 1 m³ = 1000 Litres (L)
This is very important for problems involving liquids like water, fuel, or drinks. B. Volume Formulas for Common 3D Shapes