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R ATIOS, R ATES, AND U NIT R ATES Objective: Learn to work with rates and ratios
R ATE What is a rate? A rate is a comparison of two quantities using division(sounds like ratios, right?) that have different units. Example: Reads “60 miles per 2 hours” This is a unit rate
U NIT R ATE What is a unit rate? A unit rate is a rate in which the denominator has a quantity of 1 unit. Example: 4 packets of oatmeal per 2 cup of water.
U NIT P RICE What is a unit price? A unit price is a unit rate that compares cost to item(or cost per item) Example: $5 for 2 bags of family size chips
A PPLICATION By design, movies can be viewed on screens with varying aspect ratios. The most common ones are Order the width-to-height ratios from least to greatest.
F INDING U NIT P RICE Black CDs can be purchased in packages of 3 for $4.99, or 10 for $ Which is the better buy?
E XAMPLE 1: Order the ratios 4:3, 23:10, 13:9, and 47:20 from least to greatest.
E XAMPLE 2; Use the bar graph below to find the number of acres, to the nearest acre, destroyed in Nevada and Alaska per week.
E XAMPLE 3: Pens can be purchased in a 5- pack for $1.95 or a 15-pack for $6.20. Which is the better buy?
Pre-Algebra 7-2 Ratios, Rates, and Unit Rates Learn to work with rates and ratios.
Pre-Algebra 7-2 Ratios, Rates, and Unit Rates 7-2 Ratios, Rates, and Unit Rates Pre-Algebra Warm Up Warm Up Problem of the Day Problem of the Day Lesson.
R ATES Objective: Student find and compare unit rates such as unit rates and unit price.
Divide. Round answers to the nearest tenth Warm Up.
7-2 Ratios, Rates, and Unit Rates Course 3 Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation Lesson Presentation.
U NIT R ATES. A rate is a ratio of two quantities measured in different units. A unit rate is a rate that has a denominator of 1 unit. The three unit.
01/18/11 Unit Rates Today’s Plan: -Warm-Up & Test Results -Unit Rates Lesson -Unit Rates Assignment Learning Target: I will calculate and compare unit.
Chapter 7: Ratios and Similarity Regular Math. Section 7.1: Ratios and Proportions A ratio is a comparison of two quantities by division. Ratios that.
Problem of the Day There are 3 bags of flour for every 2 bags of sugar in a freight truck. A bag of flour weighs 60 pounds, and a bag of sugar weighs 80.
R ATIOS Objective: Learn to identify, write, and compare ratios and rates.
Course Ratios, Rates, and Unit Rates 5-2 Rates, and Unit Rates Course 3 Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation.
Unit Conversion Ratios, Rates and Unit Rates. Movie and television screens range in shape from almost perfect squares to wide rectangles. An aspect ratio.
Vocabulary Review A ratio is a comparison of two quantities by division. ̶17 out of 20 students, or A rate is a special type of ratio comparing two quantities.
Warm Up Divide. Round answers to the nearest tenth
Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall. Chapter 5 Ratio, Proportion, and Measurement.
Test Review By Zori Jones 1 st block Mr.Kollar
Ratios, Rates, Distance and Proportions TSW write and simplify ratios. TSW determine unit rate. TSW calculate rates involving cost per unit to determine.
SOL 7.4, 8.3a Use measures expressed as rates (e.g., speed, density) and measures expressed as products (e.g., person- days) to solve problems; check the.
Course Ratios, Rates, and Unit Rates Warm Up Divide. Round answers to the nearest tenth
Ratio, Rate, Proportion, and Percent. Ratio Comparison of two numbers by division Can be written three different ways 4 to 9 4 :
R ATIOS, R ATES & P ROPORTIONS Chapter 4. V OCABULARY Ratio- A comparison of two numbers by division. Can be written as: a : b a b Rate- when a and b.
I DENTIFYING AND W RITING P ROPORTIONS Objective: Learn to find equivalent ratios and identify proportions.
Section 4-1 p. 156 Goal – to express ratios as fractions - to determine unit rates.
VOCABULARY LIST UNIT TEST ON PROPORTIONAL REASONING.
Holt CA Course Identifying and Writing Proportions Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.
Power Point shared with permission from Ms. Gallacher James Workman Middle School of Technology and the Arts A note from Ms. Gallacher:
PRE-ALGEBRA. Lesson 6-1 Warm-Up PRE-ALGEBRA What is a “ratio”? How do you write a ratio? ratio: a comparison of two numbers by division – There are three.
Transparency 2 Click the mouse button or press the Space Bar to display the answers.
Warm Up Thursday October 30 th Micah bought 4 cases of water that are on sale and paid a total of $12. Use the ratio table to determine how much additional.
Course Ratios, Rates, and Unit Rates 5-2 Ratios, Rates, and Unit Rates Course 3 Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation.
From Ratios to Rates. Essential Question: How are ratio, rate and unit rate related to each other?
Unit Rates. Rate – a ratio that compares different kinds of units by division to obtain a unit rate or rate per unit. Unit Rates (You are finding how.
Unit Rate Review. Vocabulary Review A ratio is a comparison of two quantities by division. ̶17 out of 20 students, or A rate is a special type of ratio.
Unit 13 Unit Rate Objective: Students will distinguish between rate and unit rate.
EQ: How do you use standard ratio notation for expressing ratios? (3:5, 3 to 5, 3/5) OBJ: 1.01.
Rate It Simplify It Solve ItPotluck Fraction Fun.
Ratios and Rates 4 : km/h 3 __ 4 11 : 14 By definition: A ratio is a fraction that compares two numbers with the same units. A rate compares two.
Evaluating Algebraic Expressions 5-2 Rates and Unit Rates California Standards MG1.3 Use measures expressed as rates (e.g., speed, density) and measures.
C OMPARING R ATES. W HICH IS THE BETTER DEAL ? 36 tea bags for $ tea bags for $5.59.
Evaluating Algebraic Expressions 5-2 Rates and Unit Rates Warm Up Divide. Round answers to the nearest tenth
DO NOW. OBJECTIVE : SWBAT Solve problems involving proportional relationships Convert between measurement systems using unit rates and using proportions.
Unit Rates & Prices A rate is a ratio that compares two quantities measured in different units. A unit rate is a rate whose denominator is 1. To change.
6-1 Ratios and Rates. Ratio: a comparison of 2 numbers by division 5 out of 205:205 20 Ratios need to be written in simplest form 5/20 = 1/4.
Chapter 6: Ratio, Proportion and Percent Chapter 6 Lesson 1 Ratios and Rates Pgs What you will learn: Write ratios as fractions in simplest form.
Ratios, Rates, and Unit Rates 5-2 Warm Up Divide. Round answers to the nearest tenth
What’s The Deal? Remember- to find the unit rate, you must compare the price using one as the denominator.
UNIT 2: SOLVING EQUATIONS AND INEQUALITIES SOLVE EACH OF THE FOLLOWING EQUATIONS FOR y. # x + 5 y = x 5 y = 2 x y = 2 x y.
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