PRIOR KNOWLEDGE The properties of quadrilaterals The difference between the perimeter and the area of a figure The use of formulae to calculate perimeters and areas of squares, rectangles, triangles and circles (From Grade 8). To solve equations by inspection. COMPONENTS TIME TASKS/ACTIVITIES CAPS INTRODUCTION 5 p.139 -140 REVIEW AND CORRECTION OF 2. A = r2 HOMEWORK = (13.5)2 = 572,55 units2 LESSON 15 min The educator presents the following example: Use appropriate formulae and conversions between EC2 = 52 - 42 SI units, to solve =25 – 16 problems and = 9 calculate the EC = 3cm. perimeter and area of: Total area = Polygons = 12 x 4 + ½ (3 x 4 ) Circles = 52 cm2 CLASSWORK 14min Calculate the total area of the shape below:
PRIOR KNOWLEDGE The properties of quadrilaterals The difference between the perimeter and the area of a figure The use of formulae to calculate perimeters and areas of squares, rectangles, triangles and circles (From Grade 8). To solve equations by inspection. COMPONENTS TIME TASKS/ACTIVITIES CAPS INTRODUCTION 5 p.139 -140 REVIEW AND CORRECTION OF HOMEWORK 2. A = r2 = (13.5)2 = 572,55 units2 LESSON 15 min The educator presents the following example: EC2 = 52 - 42 =25 – 16 = 9 EC = 3cm. Total area = = 12 x 4 + ½ (3 x 4 ) = 52 cm2 Use appropriate formulae and conversions between SI units, to solve problems and calculate the perimeter and area of: Polygons Circles CLASSWORK 14min Calculate the total area of the shape below:
Gr_9_Term_2_Lesson_PLans_Final.docx