Grade 9 Mathematics
4 Seasons
Grade 9 mathematics serves as a fundamental stepping stone in students’s mathematical journey, providing a comprehensive introduction to key mathematical concepts and skills. This grade level covers a diverse range of topics designed to build a solid foundation for more advanced mathematical study.
Excelling at Grade 9 mathematics is important as it helps providing a strong foundation for mastering mathematical principles.
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07:52Episode 1Geometry of 2D Part 1: Congruent
Episode 1
In this lesson, you will learn how to establish the minimum conditions for congruent triangles and establish the minimum conditions for similar triangles.
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07:47Episode 2Geometry of 2D Part 2: Similarity
Episode 2
In this lesson, you will establish the minimum conditions for similar triangles.
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08:15Episode 3
The Theorem of Pythagoras
Episode 3
In this lesson, you will learn how to solve problems involving unknown lengths in geometric figures that contain right-angled triangles.
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08:50Episode 4Area of Perimeter Part 1: Perimeter
Episode 4
In this lesson, you will learn how to calculate the perimeter and area of polygons and circles, and investigate how doubling any or all the dimensions of a 2D figure affects its perimeter.
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08:21Episode 5Area of Perimeter Part 2: Area
Episode 5
In this lesson, you will learn how to calculate the area for 2D shapes.
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Area of Perimeter Part 3: Doubling the Dimensions
Episode 6
In this lesson, We will further investigate how doubling any or all the dimensions of a 2D figure affects its perimeter
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Surface Area and Volume of 3D Objects Part 1: Surface
Episode 7
In this lesson, you will Understand how to use appropriate formulae and conversions between SI units to solve problems and calculate the surface area of rectangular prisms, triangular prisms and cylinders.
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Surface Area and Volume of 3D Objects Part 2: Volume
Episode 8
In this lesson, you will Understand how to use appropriate formulae and conversions between SI units to solve problems and calculate the volume of rectangular prisms, triangular prisms and cylinders.
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Surface Area and Volume of 3D Objects Part 3: Capacity
Episode 9
In this lesson, you will understand how to use appropriate formulae and conversions between SI units to solve problems and calculate the capacity of rectangular prisms, triangular prisms and cylinders.
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Surface Area and Volume of 3D Objects Part 4: Dimensions
Episode 10
In this lesson, we will investigate the effect of doubling the dimensions on volume and surface area.
