PPT-Ratios, Unit Rates, and Proportions

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. An introduction. Ratios express . relationships. 1 dozen eggs . $2.50. 2 cups of flour. 1 cake. This expresses the relationship that 1 dozen eggs cost $2.50. . This expresses the relationship that 2 cups of flour are needed to make 1 cake. 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.. In this section we will be able to give real life examples of Fractions and Proportions. We will also learn how to solve and evaluate Fractions and Proportions in word problems.. Lesson plan goals. We are constantly using fractions everyday. Most of the time not really even noticing that we are using fractions. Have you ever checked the clock or a watch for the time? Guess what the time is a fraction of a day so any time you use a watch, clock. Ratios. A . ratio. is a comparison of . two. numbers.. Example: Tamara has 2 dogs and 8 fish. The ratio of dogs to fish can be written in three different ways. ..  .  . ***. Be careful with the . Building Mathematical Knowledge and. High-Leverage Instruction for Student Success. February 25, 2016. Using Representations to . Make Sense of Rates. Learning Intentions & Success Criteria. Learning Intentions:. 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.. 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. . Difference Between Proportions. Sometimes we want to see if there is a significant difference between independent groups.. Control group vs. treatment group or placebo group. Men vs. women. Last year vs. this year. Yawn Seed?. Subject. Yawned?. Yes. No. Total. Yes. 10. 4. 14. No. 24. 12. 36. Total. 34. 16. 50. Trial. Number who yawned in yawn seed group. Number who yawned in no yawn seed group. Difference in proportions (yawn. 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? . 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. Proportion – Learning Outcomes Express quantities as proportions of each other using fractions, decimals, ratios, and percentages. Divide quantities into a given proportion. Express errors as a proportion.