PPT-Percents As Ratios

How treating percents as ratios can simplify your work What is a percent Percent means parts per hundred parts There are 100 stars here There are 3 red stars per hundred total or . 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 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. 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 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. A.. . Express 40% as a fraction in simplest form.. Answer:. . Percents as Fractions. B.. . Express 104% as a fraction in simplest form.. Answer:. . Percents as Fractions. C.. . Express 0.3% as a fraction in simplest form.. 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 . 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. 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.. 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.. 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!. DO NOW. Plickers. . Standard . 7.RP.3. 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.. A comparison between two quantities . For every . x. units of one quantity, there are . y. units of another. A Ratio is…. Using a colon . Example:. . 2:3. As a fraction . Example: .