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A rate is a comparison between two quantities of different kinds. Km per hour Rpm = revolutions per minute Liters per gallon Often represented as a fraction
Sound familiar?!?!?? Slope!
Find speed of hair from A to B, B to C and C to D. Find speed of tortoise (average speed)
New tires have a tread depth of 8mm. After driving for km the tread depth was reduced to 2.3mm. What was the wearing rate of the tires in a. Mm per km traveled? b. cm per km traveled?
10 mm is the same as... 1 cm. 20 mm is the same as... 2 cm.
Fractions of Quantities Example 1. Find 1/3 of £12 1/3 of £12 = 12 3 = £4 Unit Fractions Example 2. Find 1/4 of £20 1/4 of £20 = 20 4 = £5 To calculate.
Rate/Unit Rate. What is it? A rate is a special ratio that compares two values with different units. Rates sometimes use the words per and for instead.
4-2 Rates Warm Up: November 4 th Divide ÷ ÷ ÷ ÷
5.7 CONVERTING UNITS LO: CONVERT BETWEEN METRIC AND IMPERIAL UNITS OF MEASURE.
Bell Work: Simplify: (1) (10) -2. Answer: 100 LESSON 64: USING A UNIT MULTIPLIER TO CONVERT A RATE.
A comparison of two quantities Often expressed as a fraction.
Rates Ratios and Unit Rates You will need two different colored highlighters Not all slides are used in the notes.
NEW CAIRO EDUCATIONAL ZONE ELSHOROUK FUTURE INTEGRATED LANGUAGE SCHOOL MATHS DEPARTMENT.
POD Find your pulse. We are going to count how many beats your heart makes in 2 minutes. Teacher will keep the time. You keep count. Write your results.
5 meters in 1 second: 5 m/sec 10 meters in 2 seconds: 5 m/sec 20 meters in 10 seconds: 2 m/sec Biking Speeds:
2.1 Unit Rates Essential Question: When and why do I use proportional comparisons?
Metric Measurement Lab 2. Metric System The metric system is the standard system of measurement in much of the world and is also used in the sciences.
Linear Measurement. The U.S. system of measurement uses the inch, foot, yard, and mile to measure length. U.S. Units of Length 12 inches (in.) = 1 foot.
EOC Practice 24. x + (2x ) + (x ) = 1.8 Which of the following is the value of x? a)0.40 b)0.45 c)0.53 d) (t – 1) = 30t What is.
Fill in the Missing Numbers 1 foot = _____ inches 1 meter = _____ centimeters 1 pound = _______ ounces 1 minute = ______ seconds 1 hour = ________ minutes.
Changing units of time 1 Write 24 minutes as a fraction of an hour. 24 minutes = to change minutes into hours divide by 60 2 Write 54 minutes as a decimal.
Chapter 9 – Section 1 Describing and Measuring Motion.
VOCABULARY LIST UNIT TEST ON PROPORTIONAL REASONING.
PHYSICS LECTURE 5: VELOCITY Applied Physics and Chemistry.
Ratios & Rates of Change Chapter 11, Section 2, 3, 4.
International system of unit. International system of units.
Rate. Some definitions A rate is a special kind of ratio, indicating a relationship between two measurements A magnitude or frequency relative to a time.
Motion Speed. Motion Motion: A change in position Depends on reference point Is the mom moving relative to the dad? Is the mom moving if you were on.
8-5 6 th grade math Rates. Objective To use rates to solve problems Why? To know how to convert miles per hour, miles per gallon, revolutions per minute,
Rates Ratios and Unit Rates You will need two different colored highlighters.
Dimensional Analysis. Vocabulary Unit conversion factor- a fraction in which the numerator and denominator represent the same quantity in different units.
Converting Rates and Measurements Prealgebra Farris 2015.
Chap 1.1 – Describing and Measuring Motion. I. RECOGNIZING MOTION An object is in motion when its distance from another object is changing. Reference.
5-1 Ratios & Rates Course 2 Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation Lesson Presentation.
Ratios, Rates, and Unit Rates across the Universe An introduction Mr. Underwood.
A BOAT TRAVELS 180 MILES IN 4.2 HOURS (WITH A CONSTANT SPEED). HOW FAR CAN IT TRAVEL IN 2.3 HOURS (WITH THE SAME SPEED)? 2KG.
Do You Know Your Conversions?. Metric Conversions Click on the space bar when you want to reveal the answers. 1 cm = ____ mm 1 dm = ____ cm 1 m = _____.
Examples: 12 out of 20, 12 boys and 8 girls What are some ways you can compare the number of boys to total students in this classroom? Ratios and Rates.
TOC: SPEED= DISTANCE/TIME 11/9/2015. MOTION Occurs when an object changes its position relative to a reference point. REFERENCE POINT – A place.
Are the speeds 30 miles per 3 hours and 10 miles per hour the same?
Uniform Motion. 1) Uniform (rectilinear) motion a) Constant Speed b) straight line c) same direction 2) Speed a) Distance covered in a period of time.
Learn to find units and compare unit rates, such as average speed and unit price. Course Rates.
1 ratios 9C5 - 9C6 tell how one number is related to another. may be written as A:B, or A/B, or A to B. compare quantities of the same units of measurement.
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.
赴国际水稻所访学情况汇报 长江大学农学院 邢丹英 2010 年 6 月. 学习目的 学习时间、地点 学习内容 学习收获 几点体会 汇报提纲.
南水北调东线第一期工程山东段 情况简介. 主要汇报内容 二、南水北调山东段工程总体布置 三、山东段工程项目划分及工程主 要建设内容 一、南水北调东线工程概况 四、前期工作及工程建设进展情况 五、工程总投资.
Uniform Circular Motion (UCM) The object travels in a circular path with a constant speed. Its velocity is tangent to the circle and is changing due to.
Ratios and Proportions Unit 4, Lesson 7 peer.tamu.edu/NSF_Files/Ratios%20and%20Proportions.ppt
What is speed? › How fast you are going What does it depend on? › How much distance you cover over a period of time. Ex. You drive at an average of.
Do Now: Real World Application 1.) You work 10 hours and earn $85. What is your earning rate? 2.) You travel 10 miles at an average speed of 45mph. How.
When is an object in motion, and how can you calculate speed?
Speed and Velocity Speed Velocity Velocity-time graph’s Questions.
Section 2.2: Rate, Unit Rate, and Unit Price. Objectives: I can define what a rate, unit rate, unit price is. I can express rates, unit rates, and unit.
Student will learn…. to find units and compare unit rates, such as average speed and unit price. Course 2 Rates M7 Workbook Volume 2 Chapter 5 Lesson 1.
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