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How do rational numbers affect our lives! Adrianna G., Jesus C., Jennifer T.

How do rational numbers affect our lives!

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How do rational numbers affect our lives!. Adrianna G., Jesus C., Jennifer T. What are rational numbers?. Definition – a number that can be expressed as an integer or the quotient of two integers - PowerPoint PPT Presentation

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Page 1: How do rational numbers affect our lives!

How do rational numbers affect

our lives!Adrianna G., Jesus C., Jennifer T.

Page 2: How do rational numbers affect our lives!

What are rational numbers?

Definition – a number that can be expressed as an integer or the quotient of two integers

This means that any number we can make into a fraction can be a rational number, this includes negative number, negative fractions, and negative decimals.

Page 3: How do rational numbers affect our lives!

What are rational numbers?

Examples - Rational Number

http://www.glencoe.com

Other examples -

Rational numbers include all the positive integers, all the negative integers and zero.

34,0.75,75%

13,0.33,33

13%

Page 4: How do rational numbers affect our lives!

How do we use rational numbers

everyday?Shopping

Time

Money

Temperature

Height

Weight

Page 6: How do rational numbers affect our lives!

Height & weightSpurs Roster

2010-11 Roster

NUM PLAYER POS HT WT DOB FROM YRS

45 DeJuan Blair F-C 6-7 265 04/22/1989 Pittsburgh 1

10 Keith Bogans (FA) G-F 6-5 215 05/12/1980 Kentucky 7

15 Matt Bonner (FA) F-C 6-10 240 04/05/1980 Florida 6

21 Tim Duncan F 6-11 260 04/25/1976 Wake Forest 13

http://www.nba.com/spurs/roster/

Page 7: How do rational numbers affect our lives!

Time & Temperture

Telling Timehttp://www.create-a-reader.com/Components/CARPage.swf?site=basic&lang=English&page=Activities

http://www.clker.com/clipart-10729.html

Page 8: How do rational numbers affect our lives!

The math behind rational numbers!

Converting from fractions to decimals to percents

Finding equivalent fractions, decimals, and percents

Comparing and ordering

Page 9: How do rational numbers affect our lives!

How to convert fractions to

decimalsTo convert a fraction to a decimal , you have to divide the numerator (top number) by the denominator (bottom number) , this means the top number goes under the division symbol and the bottom number goes outside the division symbol.

Example ¾ - the 3 is the numerator (top number) and the 4 is the denominator (bottom number)

Page 10: How do rational numbers affect our lives!

How to convert fractions to

decimals continued

4 3.00302802202000

0.75)

Page 11: How do rational numbers affect our lives!

How to convert decimals to

percentsTo convert a decimal to a percent, multiply the decimal by 100, or move the decimal two places to the right and add the percent sign.

0.75 • 100 = 75%

Page 12: How do rational numbers affect our lives!

How to find equivalent fractionsThe easy way to make equivalent

fractions is to multiply the numerator and denominator by the same number

Equivalent Fractions

http://www.shodor.org/interactivate/activities/EquivFractionFinder/