PPT-4.3A – Equivalent Ratios

Equivalent means EQUAL Determine if 20 rolls for 5 and 48 rolls for 12 are equivalent rates 1 st Write each rate as a fraction 2 nd Find its unit rate 20 rolls 5 . 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 6.1.9 . 1. Equivalent ratios. 2. Find 3 additional equivalent ratios for each problem. .  . Measurement conversions. 3. 3 yd = _____in. 12 ft = _____ yd. 9 ft = _____ in. 48 in = _____ ft. 2 yd = _____ in. 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. Unit 4 Review. Ratios, Rates and Unit Rates…oh, my!. 4 minutes / dollar. 60 birds fed. $30. 12 : 21. Mrs. Carson. ; $8 . / hour. Mrs. Carson pays Kristen $48 for babysitting 6 hours, and Mr. Vazquez pays her $67.50 for babysitting 9 hours. Who pays her the better hourly rate? What is that hourly rate?. a. to . b. . a. : . b. . a. . . b. Each is read, "the ratio of . a. to . b. ." . Each ratio should be in . simplest form. Chapter 5. Section 5.5 and 5.6. Exploring . Ratios and . Equivalent . Fractions. INVESTIGATE. Can you compare all three at once?. Example 1.. How . many hearts to stars are there?. 16:7. 16:7. is known as a . Ratios and Rates. Objective:. Learn to find Equivalent Ratios and Rates. . Equivalent Ratios and Rates. You can find equivalent ratios and rates the same way as you find equivalent fractions- by multiplying or dividing both parts of the ratio or rate by the same number.. Standard:. Preparation for 6.RP.3c. Find a percent quantity.. . Percent as a way to compare portions of a . whole.. Chapter . 9. . – . Heavy focus on percentages. Lesson Focus: . Focus of lesson is to introduce the strategy the “Giant One” for equivalent ratios. . Write a one-sentence story problem about ratios.. The ratio of sunny days to cloudy days in Montgomery is 3:1.. Write the ratio in two different forms.. 3:1 3 to 1. When prompted by your teacher, share your sentences and ratios with your table partner.. 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.. 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? . -. F. 4z. 2. – 5. -G. 4z. 2. – 6. -H. 4z. 2. – 3z – 5. -J. 4z. 2. – 5z – 6. -K. 4z. 2. 5z – 6. FOIL METHOD. PRETEST. 9. . . In the standard (x,y) coordinate plane, point . M . with coordinates (5,4) is the midpoint of AB, and . 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: . 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..