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The Conversion Process

The Conversion Process. Created by: Cristina Salas Leal October 15, 2007. Objective. The students will understand how to convert rational numbers between representations.

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The Conversion Process

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  1. The Conversion Process Created by: Cristina Salas Leal October 15, 2007

  2. Objective • The students will understand how to convert rational numbers between representations. • TEKS (6.1B) The student is expected to generate equivalent forms of rational numbers including whole numbers, fractions, and decimals.

  3. Math Journal • Write and answer the following questions in your math journal. • What is a fraction? • What is a decimal? • What is a percent? • When is it best to use a fraction as opposed to a decimal? • When is it best to use a percent as opposed to a decimal?

  4. You can convert any formto any other form

  5. Jose’s parents bought eight pizzas for the math club meeting. The four officers were the only people who could attend. How much pizza would each person receive if they divided them evenly?

  6. Divide 8 pizzas by 4 peopleEach person will receive 2 pizzas8 divided by 4 equals 2.

  7. Jose’s parents bought pizza again for the math club meeting. This time they only purchased two pizzas for the four officers. How much pizza would each person receive if they divided them evenly? 4 Each person would receive half a pizza. -2 0 0

  8. Fraction Conversions

  9. Convert a Fraction to a Decimal • The man on the horse analogy • The man Numerator sits on his horse Denominator • Who goes inside the division house? The man – numerator • Who stays outside the division house? The horse - denominator • Always remember to divide the numerator by the denominator

  10. Decimal Conversions

  11. Decimals to Fractions Watch this math song video clip created by a teacher: • Click here - Fractions to Decimals Song

  12. ConversionDecimal to Percent 0.25 = 25% Drop decimal point Add a percent sign Move the decimal point two places to the right Watch a Video Clip Click here - Watch n’ Learn Math Clips

  13. Percent Conversions

  14. Internet Websites • Answer the Challenge Questions Math Goodies-Game • Play the “Comparing All Three Game” BBC-Comparing fractions, decimals and percentages game

  15. Thank You

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