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 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.. 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…. Unit 4 – Finding Unknown Terms in Ratios. Finding Unknown Terms Example. Find the missing term. Show your work. . Since 3 . × 4. = 12, then use 8 . × 4. to find the missing term..  . Finding Unknown Terms Example. 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.. . 1) Learning Target: . To. . compare mixtures. . I can write . part-to-part. and . part-to-whole. . ratios. .. Homework. : . 1) . Complete . Notes on . pg. . 8 . of CS Inv. . 1 . by . watching the . Chemistry 3/18/19. Drill. Write down these questions. While watching the video clips, write the answers, and when done, discuss with your row:. Why is airbag use in cars important?. What is the chemistry involved in air bag inflation?. 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. . 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:. 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? . 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.. 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.