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How do rational numbers affect our lives!

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

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How do rational numbers affect our lives!

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

  2. 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.

  3. 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.

  4. How do we use rational numbers everyday? • Shopping • Time • Money • Temperature • Height • Weight

  5. Shopping & Money Math at the Mall http://mathplayground.com/mathatthemall1.html

  6. Height & weight • Spurs 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/

  7. Time & Temperture Telling Time http://www.create-a-reader.com/Components/CARPage.swf?site=basic&lang=English&page=Activities http://www.clker.com/clipart-10729.html

  8. The math behind rational numbers! • Converting from fractions to decimals to percents • Finding equivalent fractions, decimals, and percents • Comparing and ordering

  9. How to convert fractions to decimals • To 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)

  10. How to convert fractions to decimals continued

  11. How to convert decimals to percents • To 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.

  12. How to find equivalent fractions • The 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/

  13. Compare and Order • Comparing and Ordering Rational Numbers

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