View by Category

The presentation will start after a short

(15 second) video ad from one of our sponsors.

Hot tip: Video ads won’t appear to registered users who are logged in. And it’s free to register and free to log in!

(15 second) video ad from one of our sponsors.

Hot tip: Video ads won’t appear to registered users who are logged in. And it’s free to register and free to log in!

Loading...

PPT – Fractions PowerPoint presentation | free to download - id: 17ee0c-MzEyM

The Adobe Flash plugin is needed to view this content

About This Presentation

Write a Comment

User Comments (0)

Transcript and Presenter's Notes

Fractions

Egyptian Fractions

Using a to Find Fractions

Percentages

Using a to Finding a Percentage

www.mathsrevision.com

Percentage Increase and Decrease

Rates and Working out Rates

Starter Questions

S4

www.mathsrevision.com

2cm

3cm

10cm

Egyptian Fractions

S4

Learning Intention

Success Criteria

- To understand the term Egyptian Fraction.

- To understand what an Egyptian Fraction is and

how to solve problems.

- Be able to solve
- Egyptian Fraction problems .

www.mathsrevision.com

How long ago is this?

Egyptian Fractions

S4

Egyptian Fractions were invented in 3000 BC

A Egyptian Fraction consists of 2 parts.

www.mathsrevision.com

Stored in the British Museum in London

Egyptian Fractions

S4

Egyptian Fractions were invented in 3000 BC

It was a 25 year old Scotsman, Henry Rhind who

brought the first evidence of Egyptian Fractions

to Britain.

He bought at a market in Luxor, Egypt, in 1858

papyrus scrolls that contained evidence of

fractions. These are called the

www.mathsrevision.com

Rhind Mathematical Papyrus

Egyptian Fractions

S4

Write down all the Egyptian Fractions you can see

below

www.mathsrevision.com

of means x

Egyptian Fractions

S4

How to calculate a fraction of a quantity.

of 120

of 120

x 120

x 120

www.mathsrevision.com

Simply divide the quantity by the bottom number

30

60

Egyptian Fractions

S4

Try these

75

70

40

5.06

www.mathsrevision.com

90

10.1

Egyptian Fractions

S4

Now try Ex 2.1 Ch5 Page 72

www.mathsrevision.com

Starter Questions

S4

20cm

www.mathsrevision.com

2cm

5cm

Calculator Fractions

S4

Q. Find of 1800

Calculator Keys

www.mathsrevision.com

Fractions of a quantity

S4

Learning Intention

Success Criteria

- To know the 2 step for finding a fraction of a

quantity.

- To show how to use a calculator to calculate a

fraction of a quantity.

- Be able to calculate the fraction of a quantity.

www.mathsrevision.com

Calculator Fractions

S4

Q. Find of 142.50

Calculator Keys

www.mathsrevision.com

Calculator Fractions

S4

Q. Of 3500 people surveyed believed that

Globe Warming was not a serious problem. How

many people believed it was not a problem.

Calculator Keys

www.mathsrevision.com

Calculator Fractions

S4

Now try Ex 2.2 Ch5 Page 74

www.mathsrevision.com

Starter Questions

S4

www.mathsrevision.com

Percentages

S4

Learning Intention

Success Criteria

- To understand the term percentage.

- To explain what the term percentage means and how

it is connected to Egyptian Fractions.

- Understand connection between percentage, and

Egyptian Fractions.

www.mathsrevision.com

3. Find a percentage of a quantity.

31 out of a 100

Percentages

S4

When a shape is divided into 100 bits each bit

is called 1 percent 1

31 means

www.mathsrevision.com

7 means

7 out of a 100

Percentages

S4

The basic Percentages () are connected with the

Egyptian Fractions.

You have 1 minute to write down the basic

percentages and there equivalent fraction

www.mathsrevision.com

Percentages

S4

Answers

www.mathsrevision.com

Percentages

S4

Q. Change these percentages to fractions out of

a 100

Q. Change these fractions to percentages

www.mathsrevision.com

Percentages

S4

Q. Change these percentages to decimals.

Q. Change these decimals to percentages

www.mathsrevision.com

Percentages

S4

Q. Find 50 of 70

35

Q. Find 25 of 180

www.mathsrevision.com

45

Percentages

S4

Now try Ex 3.1 Ch5 Page 76

www.mathsrevision.com

Starter Questions

S4

www.mathsrevision.com

6cm

1cm

3cm

Percentages(Calculator)

S4

Learning Intention

Success Criteria

- Use a calculator to find a percentage of a

quantity.

- To understand how to calculate a percentage of a

quantity using a calculator.

- Show all working.

www.mathsrevision.com

Remember money is always 2 decimal places

Percentages

S4

Q. Find 17 of 450

76.50

www.mathsrevision.com

Calculator Keys

Remember money is always 2 decimal places

Percentages

S4

Q. Find 4 of 70

2.80

www.mathsrevision.com

Calculator Keys

Calculator Fractions

S4

Q. 73 of 3600 people in a survey have brown

eyes. How many people have brown eyes.

Calculator Keys

www.mathsrevision.com

Percentages

S4

Now try Ex 3.2 Ch5 Page 78

www.mathsrevision.com

Starter Questions

S4

www.mathsrevision.com

PercentageIncrease / Decrease

S4

Learning Intention

Success Criteria

- Understand terms increase /decrease for

percentages.

1. To explain some simple increases and decreases

in percentages using shop prices.

- Calculate simple increases / decreases in

percentages.

www.mathsrevision.com

PercentageIncrease / Decrease

S4

Example 1 In a sale the cost of a jumper is

reduced by 10. What is the sale price of the

jumper.

www.mathsrevision.com

Original Price 35

Sale Price

PercentageIncrease / Decrease

S4

Example 2 The total hours of sunshine in June

was 260. The total for July was 5 higher than

June.. What is the total hours of sunshine in

July.

www.mathsrevision.com

July Total Hours

Simple Percentages

S4

Now try Exercise 4.1 Ch5 Page 80

www.mathsrevision.com

Starter Questions

S4

www.mathsrevision.com

Rates

S4

Learning Intention

Success Criteria

- To know the basic percentages.

1. To explain some more basic percentages.

- Calculate basic percentage without a calculator.

www.mathsrevision.com

Rates

Example 1 Mick the mechanic hourly rate of

pay is 6.50. Last week he worked 5 hours. What

is his basic pay?

www.mathsrevision.com

6.50 x 5 32.50

Pay is

Rates

Example 2 Jim is a joiner his hourly rate of

pay is 10.50. He works 40 hours a week. What is

his basic pay?

www.mathsrevision.com

10.50 x 40 420.00

Pay is

Rates

Example 3 Wendy can type 300 words in 6

minutes. How many words does she type per minute.

www.mathsrevision.com

Words per minute

300 6 50 words

Rates

Example 4 Six bags of crisps were bought for

2.10. How much for 1 bag of crisps.

www.mathsrevision.com

2.10 6 0.35

1 bag

Rates

S4

Now try Ex 5.1 5.2 Ch5 Page 82

www.mathsrevision.com

About PowerShow.com

PowerShow.com is a leading presentation/slideshow sharing website. Whether your application is business, how-to, education, medicine, school, church, sales, marketing, online training or just for fun, PowerShow.com is a great resource. And, best of all, most of its cool features are free and easy to use.

You can use PowerShow.com to find and download example online PowerPoint ppt presentations on just about any topic you can imagine so you can learn how to improve your own slides and presentations for free. Or use it to find and download high-quality how-to PowerPoint ppt presentations with illustrated or animated slides that will teach you how to do something new, also for free. Or use it to upload your own PowerPoint slides so you can share them with your teachers, class, students, bosses, employees, customers, potential investors or the world. Or use it to create really cool photo slideshows - with 2D and 3D transitions, animation, and your choice of music - that you can share with your Facebook friends or Google+ circles. That's all free as well!

For a small fee you can get the industry's best online privacy or publicly promote your presentations and slide shows with top rankings. But aside from that it's free. We'll even convert your presentations and slide shows into the universal Flash format with all their original multimedia glory, including animation, 2D and 3D transition effects, embedded music or other audio, or even video embedded in slides. All for free. Most of the presentations and slideshows on PowerShow.com are free to view, many are even free to download. (You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.) Check out PowerShow.com today - for FREE. There is truly something for everyone!

You can use PowerShow.com to find and download example online PowerPoint ppt presentations on just about any topic you can imagine so you can learn how to improve your own slides and presentations for free. Or use it to find and download high-quality how-to PowerPoint ppt presentations with illustrated or animated slides that will teach you how to do something new, also for free. Or use it to upload your own PowerPoint slides so you can share them with your teachers, class, students, bosses, employees, customers, potential investors or the world. Or use it to create really cool photo slideshows - with 2D and 3D transitions, animation, and your choice of music - that you can share with your Facebook friends or Google+ circles. That's all free as well!

For a small fee you can get the industry's best online privacy or publicly promote your presentations and slide shows with top rankings. But aside from that it's free. We'll even convert your presentations and slide shows into the universal Flash format with all their original multimedia glory, including animation, 2D and 3D transition effects, embedded music or other audio, or even video embedded in slides. All for free. Most of the presentations and slideshows on PowerShow.com are free to view, many are even free to download. (You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.) Check out PowerShow.com today - for FREE. There is truly something for everyone!

presentations for free. Or use it to find and download high-quality how-to PowerPoint ppt presentations with illustrated or animated slides that will teach you how to do something new, also for free. Or use it to upload your own PowerPoint slides so you can share them with your teachers, class, students, bosses, employees, customers, potential investors or the world. Or use it to create really cool photo slideshows - with 2D and 3D transitions, animation, and your choice of music - that you can share with your Facebook friends or Google+ circles. That's all free as well!

For a small fee you can get the industry's best online privacy or publicly promote your presentations and slide shows with top rankings. But aside from that it's free. We'll even convert your presentations and slide shows into the universal Flash format with all their original multimedia glory, including animation, 2D and 3D transition effects, embedded music or other audio, or even video embedded in slides. All for free. Most of the presentations and slideshows on PowerShow.com are free to view, many are even free to download. (You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.) Check out PowerShow.com today - for FREE. There is truly something for everyone!

For a small fee you can get the industry's best online privacy or publicly promote your presentations and slide shows with top rankings. But aside from that it's free. We'll even convert your presentations and slide shows into the universal Flash format with all their original multimedia glory, including animation, 2D and 3D transition effects, embedded music or other audio, or even video embedded in slides. All for free. Most of the presentations and slideshows on PowerShow.com are free to view, many are even free to download. (You can choose whether to allow people to download your original PowerPoint presentations and photo slideshows for a fee or free or not at all.) Check out PowerShow.com today - for FREE. There is truly something for everyone!

Recommended

«

/ »

Page of

«

/ »

Promoted Presentations

Related Presentations

Page of

Page of

CrystalGraphics Sales Tel: (800) 394-0700 x 1 or Send an email

Home About Us Terms and Conditions Privacy Policy Contact Us Send Us Feedback

Copyright 2015 CrystalGraphics, Inc. — All rights Reserved. PowerShow.com is a trademark of CrystalGraphics, Inc.

Copyright 2015 CrystalGraphics, Inc. — All rights Reserved. PowerShow.com is a trademark of CrystalGraphics, Inc.

The PowerPoint PPT presentation: "Fractions" is the property of its rightful owner.

Do you have PowerPoint slides to share? If so, share your PPT presentation slides online with PowerShow.com. It's FREE!