PPT-Ratios

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. 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 The sex ratio is the ratio of males to females in a population. Sex Ratios Are Approximately 50:50 In Most Species. Including Humans. Puzzle:. Why are sex ratios at birth approximately 50:50 in most species?. isospin. ratio from nucleons to fragments. Yingxun. Zhang(. 张英逊. ). China Institute of Atomic Energy. The 11. th. International Conference on Nucleus-Nucleus Collisions, . 31May, NN2012, San Antonio, TX. 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. Newton & Leibniz. Summary. Calculus seems to demand some concept of the infinitesimal. Magnitude. New number. Or both?. But infinitesimals lack . clarity . Concepts that are not mathematical being used to interpret mathematics?. 2.2 trig ratios with obtuse angles. Trig ratios with obtuse angles. “OBTUSE”. : Greater than 90. o. , less than 180. o. Similarly, coordinates on a . Cartesian Plane. are used to determine a location on a plane relative to the origin. 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.. 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 . 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? .