PPT-Lesson 7 Ratios      

                                    Which of the following correctly models that the number of red gumballs is the number of white gumballs   The duration . 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 Outline:. Ratios!. What is a Ratio? . How to Use Ratios? . How to Simplify?. . Proportions!. What is a proportion?. Properties of proportions?. How to use proportions? . Mysterious Problems…. Ratios. 2. Lesson. 4.1.1. Ratios. California Standard:. Number Sense 1.2. Interpret and use ratios in different contexts. . (e.g., batting averages, miles per hour) . to show the relative sizes of two quantities. Agenda. Embedded Assessment Review. Triangles Cut by Parallel Lines. Dilations. Similarity Shortcuts: AA. Debrief. DO NOW 12/8: . Write an equation that will . show the tree’s height (h) in . terms of the shadow (s) . Lesson 5.2: Proportions. Chapter Five: Ratios and Proportions. Lesson 5.2: Proportions. Chapter Five: Ratios and Proportions. Lesson 5.2: Proportions. Chapter Five: Ratios and Proportions. Lesson 5.2: Proportions. Warm-up 1. Practice multiplication facts at . http://www.aaastudy.com/mul39ex2.htm. . Now use this site to answer question #1. : . http://. illuminations.nctm.org/ActivityDetail.aspx?ID=64. . 2. Simplify each fraction:. 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. . Write a one-sentence story problem about ratios.. The ratio of sunny days to cloudy days in Montgomery is 3:1.. Write the ratio in two different forms.. 3:1 3 to 1. When prompted by your teacher, share your sentences and ratios with your table partner.. Objective. I can use ratio language to describe the relationship between two quantities.. Ratios. What is a ratio?. A ratio is a comparison of two quantities. (Uses division to compare two number). It shows how many times as great one quantity is to another.. 2. Warm Up. How are these two groups alike? Different?. Group 1. Group 2. Ratio Flippable. Examples:. . 2 boys for every 3 girls. . 3 dollars for 5 pencils. Ratio. - A comparison of two or more things.. 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? . A comparison between two quantities . For every . x. units of one quantity, there are . y. units of another. A Ratio is…. Using a colon . Example:. . 2:3. As a fraction . Example: . Exercise 1. Circle any equivalent ratios from the list below. . Ratio: 1:2 . Ratio: 5:10 . Ratio: 6:16 . Ratio: 12:32.  . Find the value of the following ratios, leaving your answer as a fraction, but re-write the fraction using the largest possible unit.. Session Objectives. Examine the development of mathematical understanding across the module using a focus on concept development within the lessons.. Identify the . big idea . within each topic in order to support instructional choices that achieve the lesson objectives while maintaining rigor within the curriculum..