Gr 9 (Measurement)

AREA AND PERIMETER OF 2-D SHAPES

·        Use appropriate formulae and conversions between SI units, to solve problems and calculate perimeter and area of polygons and circles

Use of appropriate formulae to calculate perimeter and area of polygons to include circles to at least 2 decimal places and convert between appropriate SI units, including and up to km2

·         Calculate perimeter and area of complex figures

SURFACE AREA AND VOLUME OF 3 – D OBJECTS

·        Use appropriate formulae and conversions between SI units to solve problems and calculate the surface area, volume and capacity of:

·        rectangular prisms,  triangular prisms, cylinders

·        Describe the interrelationship between surface area and volume of the objects mentioned above

·        Use and convert between appropriate SI units, including:

‒ mm2 ↔ cm2 ↔ m2 ↔ km2

‒ mm3 ↔ cm3 ↔ m3

‒ ml (cm3) ↔ l ↔ kl