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Making Sense of Fractions How can you write and model fractions using decimals and percentages?

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Presentation on theme: "Making Sense of Fractions How can you write and model fractions using decimals and percentages?"— Presentation transcript:

1 Making Sense of Fractions How can you write and model fractions using decimals and percentages?

2 Equal values Fractions, Percentages, and Decimals are related and can be used to represent the same numeric value. ex. ¼=.25=25% Remember, percent means per 100, so 25 out of 100 is 25%. To write this as a decimal, use the denominator as the place value to get.25

3 Your Turn Choose 3 fractions and write them in decimal, and percent form. FractionPercentDecimal ex. 1/425%.25

4 Modeling 1/1=100% ¾ =75% ½=50%¼=25% 0/1= 0% This is one way we see fractions shown as a picture model. Being able to use real life ideas is helpful in learning fractions.

5 Make a Model Draw a picture or take photos of fractions at work. Use a smartphone and upload them in this slide.

6 Number Line Placement A number line can be used to compare the value of negative and positive integers. Drag these number to their proper placement on the number line:.17,-.17, ⅘, - ⅘ -1 0 1

7 References Department of Defense Education Activity, Mathematical Standards Grade 6, August 2009 http://www.dodea.edu/Curriculum/Mathematics/upload/2009_stn_math_PreK_8.pdf Glencoe Math Curriculum Website, McGraw Hill Education, 2010, Concepts in Motion Chapter 7 http://glencoe.com/sites/common_assets/mathematics/0078916399/animations/an_g6_le_percentsdecimal.swf http://glencoe.com/sites/common_assets/mathematics/0078916399/animations/an_g6_le_percentsdecimal.swf International Society for Technology in Education, ISTE Standards for Students, https://www.iste.org/docs/pdfs/20- 14_ISTE_Standards-S_PDF.pdf https://www.iste.org/docs/pdfs/20- 14_ISTE_Standards-S_PDF.pdf Pierce, Rod. (4 Jul 2015). "Math Is Fun Virtual Manipulative". Math Is Fun. Retrieved 4 Jul 2015 from http://www.mathsisfun.com/flash.php?path=%2Fnumbers/images/number-line- zoom.swf&w=960&h=330&col=%23FFFFFF&title=Zoomable+Number+Line http://www.mathsisfun.com/flash.php?path=%2Fnumbers/images/number-line- zoom.swf&w=960&h=330&col=%23FFFFFF&title=Zoomable+Number+Line


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