PPT-Ratios and Proportions Notes-Part 6

Reduce or Enlarge When looking at pictures sometimes they must be reduced or enlarged to fit a certain purpose In the example below the picture on the right is the original The picture on the left needed to be resized in order to fit on a flyer. 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 5. : Ratios, Rates & Proportions . Section . 4. Solving Proportions. California Standards. Number Sense 1.2: Interpret and use ratios in different contexts.. Number Sense 1.3: Use proportions to solve problems. Use Cross-Multiplication as a method for solving such problems.. 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 things.. 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) . Christiana . Athanasiou. , MIT. 4. work with: Krishna . Rajagopal. (MIT). . Misha. . Stephanov. (University of Illinois). . Outline. Introduction. Critical Contribution to Particle Multiplicity Fluctuations. John Barker & Jennifer Thomas. Nevada Math Project. March 2015. Big Ideas. Ratio – A ratio is used to measure two different things in two different units.. Ex. How far a car drives with how long it takes to get to the destination. . Difference Between Proportions. Sometimes we want to see if there is a significant difference between independent groups.. Control group vs. treatment group or placebo group. Men vs. women. Last year vs. this year. 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.. Resource: Van De Walle pages 154-159. 6. th. Grade Math- Focus 1. Ratios, Rates and Proportions. Welcome to Our Math Class!. . Let’s look around the room and see what . parts. . make up our . whole. 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.. 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.. 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. Original blog posting (October 5, 2017). Toys “R” Us. Declared Chapter 11 bankruptcy protection in September 2017 for US operations. Wants to restructure or remove some of its debts. Will also be doing similar action in Canada. Proportion – Learning Outcomes Express quantities as proportions of each other using fractions, decimals, ratios, and percentages. Divide quantities into a given proportion. Express errors as a proportion.