PPT-Ratios and Rates Involving Fractions

Complex fractions are fractions that have fractions within them They are either in the numerator the denominator or both Divide complex fractions by multiplying keep change change. They should not be considered the same as relative risk ratios When hazard ratios are used in survival analysis this may have nothing to do with dying or prolonging life but r eflects the analysis of time survived to an event the event may in some i Ratios ratios are one number expressed in relation to another by dividing the one number by the other For example the sex ratio of Delaware in 1990 was 343200 females to 322968 males or 106 This can easily be expressed in terms of males to females 9 Grades 6 – 7 Ratios and Proportional Relationships. Grade 8 Functions. Progressions for the Common Core State Standards in Mathematics (draft). Ratio Proportional Progression 6 – 7 . ©The Common Core Standards Writing Team 26 December 2011. UNIT 6. Math 7 Plus. So far we have looked at the following ways to use ratios to find unit rates as well as to help us find other equivalent ratios. . GRAPHING IN A COORDINATE PLANE. Best used to make predictions about equivalent ratios. Unit 4 Review. Ratios, Rates and Unit Rates…oh, my!. 4 minutes / dollar. 60 birds fed. $30. 12 : 21. Mrs. Carson. ; $8 . / hour. Mrs. Carson pays Kristen $48 for babysitting 6 hours, and Mr. Vazquez pays her $67.50 for babysitting 9 hours. Who pays her the better hourly rate? What is that hourly rate?. Chapter 5. Section 5.5 and 5.6. Exploring . Ratios and . Equivalent . Fractions. INVESTIGATE. Can you compare all three at once?. Example 1.. How . many hearts to stars are there?. 16:7. 16:7. is known as a . 3/28/17. How do we write ratios?. How do we write and simplify rates?. How do we decide whether two ratios/rates are proportional?. Today We’ll Discuss. Definition:. The . ratio. of two numbers . Ratios and Rates. Objective:. Learn to find Equivalent Ratios and Rates. . Equivalent Ratios and Rates. You can find equivalent ratios and rates the same way as you find equivalent fractions- by multiplying or dividing both parts of the ratio or rate by the same number.. For example:. A person walks ½ mile each ¼ hour. How far do they walk in one hour? How long does it take them to walk one mile?. In this lesson you . will learn how to find unit rates in situations involving fractions. Standard:. Preparation for 6.RP.3c. Find a percent quantity.. . Percent as a way to compare portions of a . whole.. Chapter . 9. . – . Heavy focus on percentages. Lesson Focus: . Focus of lesson is to introduce the strategy the “Giant One” for equivalent ratios. . RATIOS. A . ratio. compares the magnitude (size) of two quantities. There are two types of ratios: part-part and part-whole.. RATIOS. A . ratio. compares the magnitude (size) of two quantities. There are two types of ratios: part-part and part-whole.. KWL – . Ratios and Rates. What you Know Want to learn What you learned. Chapter . 1 . Notes. Chapter . 1 . Notes. Ch. . 1 . EQs. Lesson 1: . How does finding the GCF help you to solve real-world problems? . Quiz 6A. . A comparison of two numbers by division. Ratio. . A comparison of two quantities that have different kinds of units. Rate. . A rate in which the second quantity is 1.. Unit Rate. . Ratios, Rates, Unit Rates, & Conversion Factors. 3-51North Carolina Standard Course of StudyThirdGrade Mathematics Standards for Mathematical Practice1Make sense of problems and persevere in solving them2Reason abstractly and quantitatively3Construc