Grade 9 Maths - Grey College

[Pages:21]Grade 9 Maths

Worksheet 1 Worksheet 2 Worksheet 3 Worksheet 4 Worksheet 5 Worksheet 6

Day 4a and b Day 5a and b Day 6a and b Day 7a and b Day 1a and b Day 2a and b

9 -10 June 2020 11 -12 June 2020 17-18 June 2020 19 &22 June 2020 23-24 June 2020 25-26 June 2020

Area and perimeter Area and perimeter Area and perimeter Area and perimeter Area and perimeter Area and perimeter

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TOPIC: AREA AND PERIMETER OF 2D SHAPES SQUARES, RECTANGLES, TRIANGLES AND CIRCLES (GRADE 8 REVISION)

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Converting between different units using the International System of Units (SI)

It is so important for you to understand how to do conversions in Mathematics. The following method will really help you to get to grips with doing conversions with km, m, cm and mm. Whenever you are required to perform perimeter or area calculations, it is important to make sure that all units are the same.

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EXAMPLE

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EXAMPLE

EXAMPLE

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GRADE 9 MATHS

WORKSHEET 1

GREY COLLEGE Day 4a and b

Do the following in Book 2 (or on paper)

9 -10 June 2020

a) Calculate the perimeter and area of each of the following shapes. Make sure all units of measurement are the same and round off your answers to two decimal places where appropriate.

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3 b) Calculate the shaded areas rounded off to two decimal place.

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EXAMPLE EXAMPLE

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