PPT-Ratio, Proportion, and Proportional Reasoning.

A professional development program to help teachers better understand the mathematical reasoning needed for ratio proportion and proportional reasoning To understand the importance and significance of ratio proportion and proportional reasoning in the middle grades mathematics curriculum. .. 7.RP - Analyze proportional relationships and use them to solve real-world and mathematical problems.. 8.EE - Understand . the connections between proportional relationships, lines, and linear equations.. Rebecca Wulf. Ivy Tech Lafayette. rwulf@ivytech.edu. . Ben Markham. Ivy Tech Bloomington. bmarkham@ivytech.edu. . Sharon Koch. Ivy Tech Gary. s. koch12@ivytech.edu. . Ivy Tech Community College. 30 . Ratio . A ratio is the comparison of two numbers by division.. A classroom has 16 boys and 12 girls. . Also written as . 16 boys. , . 16:12 or 16 to 12. 12 girls. Generally, ratios are in lowest terms:. I love chocolate, so I’m going to get a slice of the 6-layer cake!. I want the one that has more chocolate flavor, so I’m getting the 3-layer cake!. The . Chocolatey. Cake Debate. . If you wanted to buy a slice of the cake that had the . Magumba. Lecture 3 . Proportionality. Ratios. If the ratio of A:B is 1:3 then A = 1/3 of B. For instance if you were to divide 20 oranges between A and B in the ratio 1:3 it means you have a total of 1 + 3 or 4 equal parts and each part is equal to 20/4 or 5 oranges, A gets 1 * 5 oranges and B gets 3 * 5 oranges. Building Mathematical Knowledge and. High-Leverage Instruction for Student Success. Thursday Sept. 10, . 2015. Moving From Additive to Multiplicative Thinking. The. . Road to Proportional Reasoning. The OGAP Framework. Core Mathematics Partnership. Building Mathematical Knowledge and. High-Leverage Instruction for Student Success. Thursday . November 12. , . 2015. Battery Problem. Solve this problem in at least 2 different ways:. . Problem-Solving. Pupils’ Version. L3. L4. to. Revising Ratio and Proportion .. What Will You Learn ?. Never heard of . ratio. before? . How exactly do you keep numbers. . in proportion. ?. Dr J Frost (jfrost@tiffin.kingston.sch.uk). www.drfrostmaths.com. Last modified: 3. rd. September 2015. The ratio of males to females at a party is 3:5. There are twelve more females than males. How many people are at the party?. the Rhode Island Department of Education. by. Kristina Sparfven. The Rigors of Ratio and Proportional Reasoning in the Common Core State Standards. Agenda. Examine the progression of ratio and proportion in the middle grades.. Adapted from a WORKSHOP prepared for the Rhode Island Department of Education by Kristina Sparfven The Rigors of Ratio and Proportional Reasoning in the Common Core State Standards Agenda Examine the progression of ratio and proportion in the middle grades. Topic A: Proportional Relationships Lesson 3 Identifying Proportional and Non-Proportional Relationships in Table Topic A Overview Lesson 1: An Experience in Relationships as Measuring Rate Lesson 2: Proportional Relationships Gender-based Indicators in Human Development Development Research IGIDR General Arun Kumar Vaidya Marg Goregaon E Mumbai-400065 INDIA Emails ment Measure are two gender-based indicators provided by t Prof.P.A.Navale. Dept. of Commerce. . Proportion. Meaning:. An equality of two ratios is called a Proportion. Four quantities are said to be in proportion if a: b = c: d (also written as a:b :: c:d)..