Proportions (including percents)

Slides:

Advertisements

Similar presentations

A test has 20 questions. If Ryan gets 80% correct, how many questions did Ryan miss? A.16 B.4 C.20 D.8 [Default] [MC Any] [MC All]

Advertisements

Ratios and Unit Rates.

Unit Rates and Ratios. Rates/ratios Can be written three different ways a to b a:b.

Lesson 2.3 Proportional Reasoning

Chapter 5: Division and Proportion in Algebra Lesson 5: Ratios.

Ratio Lesson 4-1 and Proportion.

Rates, Ratios, and Proportions

Objectives Write and use ratios, rates, and unit rates.

Measuremen t Numbers & Operations Proportions Fraction to Decimal to % Unit Rates

Ratios and Proportions Review Game. Please select a Team. May the force be with you

Ratios and Rates Problems #25. Example 1: Finding Equivalent Ratios and Rates Use a table to find three equivalent ratios or rates. A. The ratio of girls.

Solving Proportions. EXAMPLE 1 Solve the proportion x =. Solving Proportions METHOD - Use equivalent ratios x = X 5 = 60,

Adv. Math Chapter 22 Review. Use the picture to write the ratios. Tell whether the ratio compares part to part, part to whole, or whole to part. All.

Rate: a ratio that compares two different kinds of numbers, such as miles per hour (mph) or dollars per pound Unit Rate: compares the price of an item.

A. 5 B. 4 C. 3 D. 2 1 n 2 = 6 A. 5 B. 4 C. 3 D. 2 6 n 9 = 3.

Cody burped 9 times in 7 minutes. How many minutes will it take Cody to burp 72 times? A.63 minutes B.14 minutes C.56 minutes D.49 minutes.

1.Mr. Kell bought 5 packs of pencils for $6.05. How much would one pack of pencils cost? 2.Kroger sells 3 lbs bags of oranges for $5.00 and 5 lbs of oranges.

Unit 5: Rates Task Cards. Answer: Total Distance: 420 miles Total Time: 8 hours Average Speed = 52.5 mph Question 1 Christina biked 36 miles in 6 hours.

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,

4.7 PROPORTIONAL RELATIONSHIPS I CAN IDENTIFY PROPORTIONAL RELATIONSHIPS AND FIND CONSTANTS OF PROPORTIONALITY BY USING PROPORTIONS.

This is my fiancé Rodney and my dog Pebbles. This is a picture of our home.

Distance = Rate x Time DRT Formula. D = r x t It takes Mrs. Osthus 105 minutes to get to Sioux Falls to go Christmas shopping. If she drives an average.

DISTANCE = RATE*TIME D = rt D = r(t) D = r x t.

Holt Algebra Rates, Ratios, and Proportions Warm Up Solve each equation. Check your answer. 1. 6x = m = y =18.4 Multiply. 6.7.

Distance, Rate, Time Independent station objectives: Title:D=RXT independent practice: I will copy and complete at least 10 problems showing each of my.

6.RP.3c Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the.

What is the ratio of the shaded boxes to the total boxes?

MATH SOL 7.4 Rates, Ratios, and Proportions

All About Mrs. Veiga How much do you know?. Where did Mrs. Veiga go to college?  University of Florida  Florida State University  University of South.

Percent Word Problems.

Do NOW n = 21 9t of cocoa 1. Solve for n. 5 = 15 7 n

EXAMPLE 1 Using the Commutative Property

Study for Math test & complete maintenance sheet 20- due tomorrow- Grade reports will go out on Thursday Unit Test Wednesday.

Mr. Herb’s Math Power Trivia

1. If you travel at 10mph for 1 hour, how far do you travel?

Ratios Decimals Fractions Percent Proportions 1pt 1 pt 1 pt 1pt 1 pt

Do NOW n = 21 9t of cocoa 1. Solve for n. 5 = 15 7 n

Proportions Ratios / Rates Unit 2.

Equivalent Ratios.

Chapter 3 Ratios and Rates

Ratios and Rates Chapter 7.

Lisa made $300 in 6 hours. How much did Lisa make each hour?

Unit 12: Statistics.

Ratios and Proportions Notes-Part 7

Science Planner 11/3/16 WALT: Complete foldables.

Measurements Proportions

A Question of Maths Instructions: Choose a number to answer a question

30 miles in 1 hour 30 mph 30 miles per hour

Unit 12: Statistics.

Name ___________________ Date _____________

Thursday Warm Up Your car averages 34 miles per gallon of gas on the highway. If gas costs $2.79 per gallon, how much does it cost in dollars per mile.

Ratios, Rates, and Proportions

18-20,22,27,29 (show work proving your answers!!)

Mr. Peter Richard, The most profound Math teacher in all of the worlds in this universe and the rest of them will teach you the multiple steps of stepping.

L40-45 L46-47 L48-L49 L50-L51 L52-L

Today’s Objective To be able to use ratios and relate quantities in the same units.

Objectives Write and use ratios, rates, and unit rates.

Name ___________________ Date _____________

Problems of the Day 1.) 2) y = 18 3) All real Numbers 4) a = – 1

Morning Work Thursday August 15, 2013

Who Wants to Be a Millionaire?

Study for Wednesday’s unit 7 post test

Proportion Guided Notes

Let’s Do a Little Review!

Percent Word Problems.

Proportions and Ratios Real World Problems

Unit Rate Unit 1 Lesson 2 Math 6.

Presentation transcript:

Proportions (including percents)

Are the proportions equivalent? yes no Unable to tell 8 64 = 63 7 [Default] [MC Any] [MC All]

2 1 = 6 n Find the missing term. 10 11 12 13 [Default] [MC Any] [MC All]

10 n = 4 2 Find the missing term. 20 10 15 25 [Default] [MC Any] [MC All]

Find the missing term. 5 6 7 8 1 2 = n 4 [Default] [MC Any] [MC All]

12 pencils and 6 pens 3 pencils and 1 pens 18 pencils and 5 pens Mrs. Haynes has 6 pencils in her hair for every 2 pens. What is an equivalent pencil to pen ratio? 12 pencils and 6 pens 3 pencils and 1 pens 18 pencils and 5 pens 8 pencils and 24 pens [Default] [MC Any] [MC All]

In a school, 25 % of the teachers teach basic math In a school, 25 % of the teachers teach basic math. If there are 50 basic math teachers, how many teachers are there in the school? 75 12 200 150 [Default] [MC Any] [MC All]

66 people 230 people 460 people 920 people In a survey, 46 people, which was 20% of those surveyed, chose red as their favorite color. How many people were surveyed? 66 people 230 people 460 people 920 people [Default] [MC Any] [MC All]

51,000 songs 44 songs 510 songs 625 songs Dorian’s iPod holds about 1500 songs. He has used 34% of the space. About how many songs are on Dorian’s iPod? 51,000 songs 44 songs 510 songs 625 songs [Default] [MC Any] [MC All]

A test has 20 questions. If Ryan gets 80% correct, how many questions did Ryan miss? 16 4 20 8 [Default] [MC Any] [MC All]

At Little Rock School, 476 students ride their bikes to school At Little Rock School, 476 students ride their bikes to school. If this number is 85% of the school enrollment, then how many students are enrolled? 405 545 480 560 [Default] [MC Any] [MC All]

A baseball team won 75% of 120 games in a season A baseball team won 75% of 120 games in a season. How many games is that? 75 90 160 125 [Default] [MC Any] [MC All]

A pen company can produce 9,760 pens per hour A pen company can produce 9,760 pens per hour. At this rate, how many pens can they produce in 30 minutes? 2,400 3,253 4,880 19,520 [Default] [MC Any] [MC All]

4 out of 5 dentists recommend chewing sugarless gum 4 out of 5 dentists recommend chewing sugarless gum. If 250 dentists were surveyed, how many of them recommended sugarless gum? 50 100 200 22 [Default] [MC Any] [MC All]

Justin and Taylor are going on a trip to California Justin and Taylor are going on a trip to California. They will be gone for 10 days. On Wednesday and Thursday, they drove 750 miles in 15 hours. What was their average speed per hour at which they drove these two days? 25 mph 50 mph 55 mph 95 mph [Default] [MC Any] [MC All]