Download presentation

Presentation is loading. Please wait.

Published byJasper Richard Modified over 6 years ago

1
Transparency 2 Click the mouse button or press the Space Bar to display the answers.

2
Example 2-7b Objective Write percents as fractions and decimals and vice versa

3
Lesson 2 Contents Example 1Percents as Decimals Example 2Percents as Decimals Example 3Decimals as Percents Example 4Decimals as Percents Example 5Fractions as Percents Example 6Fractions as Percents Example 7Compare Numbers

4
Example 2-1a Write 52% as a decimal. Answer: 0.52 Remove the percent symbol. % Divide by 100 by moving decimal 2 places to left Put new decimal in number Write problem 1/7

5
Example 2-1b Write 28% as a decimal. Answer: 0.28 1/7

6
Example 2-2a Write 245% as a decimal. Answer: 2.45 Divide by 100 Remove the percent symbol. Write problem 2.45% Put new decimal in number 2.45% 2/7

7
Example 2-2b Write 135% as a decimal. Answer: 1.35 2/7

8
Example 2-3a Write 0.3 as a percent. Answer: 30% Multiply by 100 by moving decimal 2 places to the right Write problem 0.3 Annex a zero in empty space 00. Place new decimal 30% Write number with new decimal and percent sign 3/7

9
Example 2-3b Write 0.91 as a percent. Answer: 91% 3/7

10
Example 2-4a Write 0.71 as a percent. Answer: 71% Place new decimal 0.71 Write problem Multiply by 100 by moving decimal 2 places to the right 0.71 Add percent sign 71.% 4/7

11
Example 2-4b Write 1.65 as a percent. Answer: 165% 4/7

12
Example 2-5a Write as a percent. Write fraction Answer: 75% Add the % sign 5/7 Convert to decimal by dividing numerator by denominator 0.75 Multiply by 100 75 75 %

13
Example 2-5c Answer: 25% Write as a percent. 5/7

14
Example 2-6a Write as a percent. Answer: 16.6% 6/7 Write fraction Convert to decimal by dividing numerator by denominator 0.16666... Multiply by 100 16.666... Use bar notation for repeating decimal 16.6 Add percent sign % 16.6%

15
Example 2-6c Answer: Write as a percent. 6/7

16
Example 2-7a POLITICS In Sun City, of voters are Democrats. In Moon Town, 48% of voters are Democrats. In which town is there a greater proportion of Democrats? Answer: Moon Town 7/7 Write information Sun City Moon Town 48% Convert fraction to percent 45% Compare percents Question asks “which town is there a greater proportion?”

17
Example 2-7b POLITICS In Star City, of voters are Republicans. In Meteorville, 13% of voters are Republicans. In which town is there a greater proportion of Republicans? Answer: Star City * 7/7

Similar presentations

© 2021 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google