MATHS FORM 1 CHAPTER 4 (4.4 & 4.5)

Mathematic
Form 2

------------------------

Chapter 4
Ratios, Rates and

Proportion

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Learning
Standards

Let’s start with the first
set of slides

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Learning Standards

SUBTOPIC LEARNING STANDARDS

4.4 RATIOS, RATES AND PROPORTIONS. 4.4.1
Determine the ratios of three quantities, given two or
more ratios of two quantities.

4.4.2
Determine the ratio or the related value given
(i) The ratio of two quantities and the value of one

quantity.
(ii) The ratio of three quantities and the value of one

quantity.

4.4.3
Determine the value related to a rate.

4.4.4
Solve problems involving ratios, rates and proportions,

including making estimations.

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Then, we go
through our
lesson today

Go to the next slides

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Chapter 4 : Ratios, Rates and Proportions

How do you determine the ratio of three quantities when two or more ratios of two quantities are
given?

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Chapter 4 : Ratios, Rates and Proportions

4.4.1 How do you determine the ratio of three quantities when two or more ratios of two
quantities are given?

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Chapter 4 : Ratios, Rates and Proportions
4.4.2 How do you determine the ratio or the related value?

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Chapter 4 : Ratios, Rates and Proportions
4.4.2 How do you determine the ratio or the related value?

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Chapter 4 : Ratios, Rates and Proportions
4.4.2 How do you determine the ratio or the related value?

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Chapter 4 : Ratios, Rates and Proportions
4.4.3 How do you determine value related to a rate?

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Chapter 4 : Ratios, Rates and Proportions
4.4.4 How do solve problems?

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Chapter 4 : Ratios, Rates and Proportions
4.4.4 How do solve problems? >>>> Continued

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Then, we go to
new Learning

Standards

Go to the next slides

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Learning Standards

SUBTOPIC LEARNING STANDARDS

4.5 4.5.1
RELATIONSHIP BETWEEN RATIOS, RATES Determine the relationship between
AND PROPORTIONS WITH PERCENTAGES, percentages and ratios.
FRACTIONS AND DECIMALS.

4.5.2
Determine the percentage of a quantity by
applying the concept of proportions.

4.5.3
Solve problems involving relationship
between ratios, rates and proportions with
percentages, fractions and decimals.

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Chapter 4 : Ratios, Rates and Proportions
4.5.1 What is the relationship between percentages and ratios?

22 55 33
10 = 10 × 100% 10 = 10 × 100% 4 = 4 × 100%

20% 50% 75%

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Chapter 4 : Ratios, Rates and Proportions
4.5.1 What is the relationship between percentages and ratios?

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Chapter 4 : Ratios, Rates and Proportions
4.5.1 What is the relationship between percentages and ratios?

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Chapter 4 : Ratios, Rates and Proportions

4.5.2 How you determine the percentage of quantity by applying the concept of proportions?

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Chapter 4 : Ratios, Rates and Proportions

4.5.2 How you determine the percentage of quantity by applying the concept of proportions?
>>>>> Continued

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Chapter 4 : Ratios, Rates and Proportions

4.5.2 How you determine the percentage of quantity by applying the concept of proportions?
>>>>> Continued

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Chapter 4 : Ratios, Rates and Proportions
4.5.3 How do you solve problems?

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Chapter 4 : Ratios, Rates and Proportions

4.5.3 How do you solve problems? >>>>>>Continued

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Chapter 4 : Ratios, Rates and Proportions

4.5.3 How do you solve problems? >>>>>>Continued

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