Converting to Decimals and Percentages

 Converting to Decimals and Percentages
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Slide 1: Slide
MathematicsLower Secondary (Key Stage 3)

This lesson contains 15 slides, with interactive quizzes and text slides.

time-iconLesson duration is: 60 min

Items in this lesson

 Converting to Decimals and Percentages

Slide 1 - Slide

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Learning Objective
Learning - To be able to convert fractions into decimals and then into percentages.


Slide 2 - Slide

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What do you already know about converting fractions into decimals and percentages?

Slide 3 - Mind map

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Practice Questions
Were going to go through some practice questions,

Slide 4 - Slide

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What is 23 % written as a fraction
A
23/10
B
100/23
C
10/23
D
23/100

Slide 5 - Quiz

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What is 80% as a fraction
A
10/80
B
80/100
C
100/80
D
8/10

Slide 6 - Quiz

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What is 1/5 as a percentage
A
20%
B
5%
C
15%
D
25%

Slide 7 - Quiz

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What is 3/6 as a percentage
A
36%
B
50%
C
18%
D
63%

Slide 8 - Quiz

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What fraction is 25% the same as?
A
1/2
B
1/4
C
3/4
D
2/5

Slide 9 - Quiz

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Understanding Fractions
Fractions represent a part of a whole. They consist of a numerator (top number) and a denominator (bottom number).

Slide 10 - Slide

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Converting to Decimals
To convert a fraction to a decimal, divide the numerator by the denominator. This gives the decimal equivalent of the fraction.

Slide 11 - Slide

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Decimal to Percentage
To convert a decimal to a percentage, multiply by 100 and add the percentage symbol (%).

Slide 12 - Slide

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Where would you use Percentages,
Fractions or Decimals?

Slide 13 - Mind map

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Task
Complete the worksheet on converting Fractions into Decimals into Fractions.


Example 

Slide 14 - Slide

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Write down 3 things you learned in this lesson.

Slide 15 - Open question

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.