PPT-Ratios and Percents RP. 3.

DO NOW Plickers Standard 7RP3 Use proportional relationships to solve multistep ratio and percent problems Examples simple interest tax markups and markdowns gratuities and commission fees percent increase and decrease percent error. 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?. 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. PERCENTS. FRACTIONS. Essential Question. How do I express fractions as decimals ?. * Numerator goes inside. * Denominator goes outside. * Use long division. Example:. Express. as a decimal.. .. 0. 3. 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) . Financial State. ment Analysis. Samar Al-Zayer 201000247. Sarah Al-Sughaiyer 201000197. Farah Al-Dossary 200900267. Founding of the Dodge motor car company. The Dodge brothers John and Horace. Essential Question. How do I express fractions as decimals ?. * Numerator goes inside. * Denominator goes outside. * Use long division. Example:. Express. as a decimal.. .. 0. 3. -24. 8. 3. .00. 6. Begin long division. 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:. 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.. 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.. 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? . Dec. im. als,. Fractions,. I juggled. Granny’s china. teacups…... once!. A Bundled Unit. © . Mike’s Math Mall. Introduction. Not that kind of introduction, big fella!. Hi!. My name’s Sparky!. 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.