Comparison by Division of Two Quantities 3 1 12 4 A proportional comparison in which one quantity can be described as a ratio of the other.

Slides:

Advertisements

Similar presentations

7.RP - Analyze proportional relationships and use them to solve real-world and mathematical problems. 1. Compute unit rates associated with ratios of.

Advertisements

Bell Work: Write the first 10 prime numbers.

Fractions, Decimals and Percents

Express each fraction as a decimal and then find their sum.,,, COURSE 1 LESSON = Ratios.

Fraction Vocabulary.

4.5 Equivalent Fractions. Equivalent Fractions Defined Fractions that name the same amount. Example:

Section 4-1 p. 156 Goal – to express ratios as fractions - to determine unit rates.

7 th Grade Pre-algebra Chapter 6 Notes. 6.1 Ratios and Rates Vocabulary Ratio: a comparison of two numbers by division. Rate: a ratio of two measurements.

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.

Ratios and Proportions. 6.RP.1 By learning ratios and proportions, students will better grasp how to work with fractions and percents, greatest common.

Daily Problem There are an estimated 53 billion dogs in the U.S. For every 20 people who own a dog, 19 pet and hug their dog daily. Write the fractions.

Proportionality: Ratios and Rates

Unit Three Ratios and Proportional Relationships Why do we learn vocabulary in math??

ratio percent Write fractions as percents and percents as fractions.

* A ratio is a comparison of two quantities by division. Ratios like 1 out of 2 can be written as 1:2, ½, or 1 to 2. * When ratios compare a number to.

Adding & Subtracting Rational Expressions. Vocabulary Rational Expression Rational Expression - An expression that can be written as a ratio of 2 polynomials.

GCSE Mathematics Ratio & Proportion. Aims To simplify ratios To write ratios in unitary form To compare ratios and fractions.

Whiteboardmaths.com © 2004 All rights reserved

Fractions VI Simplifying Fractions Factor A number that divides evenly into another. Factors of 24 are 1,2, 3, 4, 6, 8, 12 and 24. Factors of 24 are.

Ratios Using Data. Ratio is a comparison of two numbers, Usually written as a fraction a/b, where a and b are the numbers First number in the numerator.

Fractions, Decimals and Percents

Percents and Fractions. Vocabulary A percent is a ratio that compares a number to 100. It means “per 100.” 49 out of 100 is 49%.

Warm up:Write each fraction in simplest form.

Definition  A fraction is a number that represents part of a whole or part of a group. The whole box is divided into four parts. Three-fourths of this.

Unit 8 vocab By Trevor Dunn.

Chapter 10 L10-1 Notes: Ratios. Vocabulary A ratio is a comparison of two numbers by division.

Ratios Lesson 7 – 1. Vocabulary Ratio: a comparison of two numbers (quantities) by division Equivalent Ratios: ratios showing the same relationship between.

Fractions, Decimals, and Percents SWBAT model percents; write percents as equivalent ratios and to write ratios as equivalent percents; write percents.

Simplify, Multiply & Divide Rational Expressions.

Proportions Lesson 6-3. A proportion is an equation stating that two ratios are equivalent. Determine if the quantities in each pair of rates are proportional.

Pre-Algebra 7-1 Ratios and Proportions Warm Up Write each fraction in lowest terms. Pre-Algebra 7-1 Ratios and Proportions

Do Now. Unit 7: Ratios, Rates and Proportions What we will learn and be able to: Compute unit rates involving ratios with a fraction in the denominator.

Ratios and Rates. ratio – A ratio is a comparison of two or more quantities. Ratios may be written in colon form ( 1:2 ) or in fraction form ( 1/2 ).

Ratios and Proportions Notes. Ratios A ratio compares two numbers or two quantities. The two numbers being compared are called terms. A ratio can be written.

Ratios and Proportions Ratio: A comparison of two quantities. Example: the ratio of a to b is, where b =0 Proportion: A proportion is formed when you.

Ratios & Proportional Relationships. Ratios Comparison of two numbers by division. Ratios can compare parts of a whole or compare one part to the whole.

Solving a Proportion by “Cross” Multiplying

Find the common denominator. Make equivalent fractions.

Simplifying Fractions

Ratios Rates & Unit Rates Ratio Tables Equivalent Ratios

Ratios and Proportions

5 Chapter Chapter 2 Ratio and Proportion.

Rational Numbers, Factors, and Multiples Part 2

Equivalent ratios.

Warm-up October 26, 2017 Factor: 66B + 12A – 14

Complex Fractions and Review of Order of Operations

X+1+4≤9 5k-2k> Agenda Ticket in the Door

Ratios and Rates.

X+1+4≤10 5k-2k> Ticket in the Door Agenda

Unit 4 The Unit Organizer Betchan, Gonzales, Strauss Proportionality

9.4: Rational Expressions

Notes A ratio is a comparison of two quantities.

Ratios involving complex fractions

Which fraction is the same as ?

Ratios, Rates, Unit Rates

6.RP.3a Make tables of equivalent ratios relating quantities with whole number measurements, find missing values in the tables, and plot the pairs of values.

Ratio and Proportion Vocabulary.

Algebra 1 Section 3.2.

A comparison of one quantity to another quantity

Study Island Homework Due Friday Maintenance Sheet 18

Homework- Due Friday- Study Island- Maintenance Sheet 18

Homework- Maintenance Sheet 18 Due Friday- Goformative. com

Objective: Learn to use a table to find equivalent ratios and rates.

Ratios Identify and use ratios to compare quantities; understand that comparing quantities using ratios is not the same as comparing quantities.

Homework- Maintenance Sheet 18 Due Friday- Goformative.com

Chapter 1 Vocabulary Sections1-1,1-2,1-3

Presentation transcript:

Comparison by Division of Two Quantities A proportional comparison in which one quantity can be described as a ratio of the other.

Qualitative The speed of car A is slower than the speed of car B. A broad subjective description.

Quantitative Ratio- blue cars to red cars is 6:3 There are twice as many blue cars as red cars. A narrowed objective description associated with a quantity.

Scale Factor A scale written as a ratio without units in simplest form.

Dimensional Analysis The process of including units of measurement when you compute.

Equivalent Ratio Ratios that express the same relationship between two quantities.

Unit Rate A rate that is simplified so that it has a denominator of 1.

Proportion Method

Ratio Table A table with columns filled with pairs of numbers that have the same ratio. GreenRed X

Unit Fraction A fraction with a numerator of 1.

Multiplicative Comparison of Two Quantities A proportional comparison in which one quantity can be described as a multiple of the other.