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blank. Math 6E - Unit. Estimation 180 Questions. Estimation 180 Questions. blank. Introduction to Ratios . Definition of Ratio : Shows the relative size of two or more values Ratios can be represented in three ways: Part to Part stars to circles 3:4
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Introduction to Ratios Definition of Ratio: Shows the relative size of two or more values Ratios can be represented in three ways: • Part to Part stars to circles 3:4 • Part to Whole stars to shapes 3:7 • Whole to Part shapes to circles 7:4 Part- describes a portion or part of the picture Whole - describes the whole picture • Ratios can be written in three ways: • Using a colon • Example 3 : 4, 3 : 7, 7 : 4 • Using the word “to” • Example 3 to 4, 3 to 7, 7 to 4 3) As a fraction (only part to whole ratios can be written like this) Example: 3/7
Practice with Equivalent Ratios Reduce the following ratios: 1) 2:4 2) 6:9 3) 5:15 4) 12:20 5) 18:45 6) 21:49 7) 30:72 8) 39:52
Ratio – A ratio is a comparison between two or more quantities that are related. • Ratios can beequivalentto each other in the same way that fractions can be. • Example • Girls to Boys 3:2 Is equivalent to the ratio of girls to boys 6: 4
Rates and Ratios Venn Diagram • Handout given in class (extras can be found in blue crate on counter marked “6E”) • Or you can navigate to the link below and print a copy at home. • http://www.graniteschools.org/depart/teachinglearning/curriculuminstruction/math/elementarymathematics/K6%20Support%20Documents/6th%20Grade%20Support/Rates%20and%20Ratios%20Venn%20Diagram,%20Definitions,%20Examples.pdf
Conversion of Fractions:Mixed to Improper & Improper to Mixed Follow the link below to print the notes for this page. http://www.amathsdictionaryforkids.com/mathsCharts.html Click on Fractions, then click on Conversions
Multiplication of Fractions: Follow the link below to print the notes for this page. http://www.amathsdictionaryforkids.com/mathsCharts.html Click on Fractions, then Multiplying Fractions
Division of Fractions: Follow the link below to print the notes for this page. http://www.amathsdictionaryforkids.com/mathsCharts.html Click on Fractions, then click on Dividing Fractions