Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy.

Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website. See our Privacy Policy and User Agreement for details.

Like this presentation? Why not share!

- Power Point slides on Percentage fo... by amirishabnam1 14508 views
- How to Use Percentage - Rate - Base... by youngeinstein 105862 views
- Percentages by guest80ce733 3954 views
- Fractions, decimals, and percentages by vantreecka 4223 views
- Percent math 6 by pfprudenciado 11665 views
- Percentages by doogstone 4509 views

6,856 views

Published on

No Downloads

Total views

6,856

On SlideShare

0

From Embeds

0

Number of Embeds

57

Shares

0

Downloads

508

Comments

0

Likes

1

No embeds

No notes for slide

- 1. Percentages T- 1-855-694-8886 Email- info@iTutor.com By iTutor.com
- 2. Percentages Calculating percentage is one of the simplest and most useful of mathematical tricks. It's one of the simplest ways of quantifying things and presenting comparative ratios. You will need to know how to calculate percentages as it is a concept used in almost every field where quantification is involved. Let me first define what percentage means and then explain a simple formula for calculating percentages.
- 3. What is Percentage 'Per-Centage' literally means 'per 100 pieces' of anything, which is one way of specifying the fraction of a complete whole. Simply put, a percentage value is a fraction multiplied by 100. A portion of the whole; a part. A way of representing a fraction with the denominator of 100 0.15 100 15 Equals a percentage of 15 So 15% means 15 per 100 (15% of this box is green)
- 4. How to Calculate Percentages Let's say I have a basket of fruits. Out of a total of 20 fruits, 5 are apples, 10 are oranges and 5 are pineapples. Then the percentage of all three fruits in the basket is calculated in the following way. First determine the 'part' and the 'whole'. Here the 'Whole' is the fruit basket containing 20 fruits and the parts are 5 apples, 10 oranges and 5 pineapples. Secondly, you must determine the fraction of fruits in basket, that are apples, oranges and pineapples. That is, you must establish the fractions. Here the fractions are: Fraction of the Apples in Basket = 5/20 =1/4 Fraction of Oranges in Basket = 10/20 =1/2 Fraction of Pineapples in Basket = 5/20 =1/2 So, one can now say that one-fourth of the fruits are apples, half are oranges and another one-fourth are pineapples.
- 5. Once the fraction has been established, calculating percentages is extremely simple. The percentage of apples in the basket is calculated using following formula. Percentage (%) = (Part/Whole) x 100 Therefore, in the example presented above, Percentage of Apples = 5/20 x 100 = ¼ x 100 = 25% Percentage of Oranges = 10/20 x 100 = 1/2 x 100 = 50% Percentage of Pineapples = 5/20 x 100 = ¼ x 100 = 25%
- 6. Given the whole and the percent, find the part. Given the whole and the part, find the percent. Given the percent and the part, find the whole. Calculations with Percents % When the whole and percent are given the part can be found by multiply the percent by the whole Percent x Whole % The percent must be put into decimal form prior to being multiplied, that can be done by dividing the percent by 100 Percent /100 = decimal
- 7. Finding a fraction of a quantity Find 4 of 20 5 or 4 × 20 5 Find 1 of 20 5 20 ÷ 5 = 4 So: 4 of 20 is 5 4 4 4× = 16 To do this in one step we can look at the question 4 × 20 5 4 = 16 Divide by 5 and show it by crossing out the 5 on the bottom and cross out the 20 and replace with 4 (the answer to 20 ÷ 5) Example
- 8. Example 1: Find 12% of 200 12 × 200 100 2 = 24 cancel common factors Example 2: Find 40% of 270 40 × 270 100 = 108 cancel common factors Example 3: Find 35% of 14 cancel common factors 4 10 ≡ 35 × 14 100 = 4.97 20 ≡ 0.7 Using this method to find percentages of a quantity
- 9. The End Call us for more Information: www.iTutor.com 1-855-694-8886 Visit

No public clipboards found for this slide

×
### Save the most important slides with Clipping

Clipping is a handy way to collect and organize the most important slides from a presentation. You can keep your great finds in clipboards organized around topics.

Be the first to comment