Ratios.

Slides:

Advertisements

Similar presentations

BELL RINGER 9/13/10 Ratio of the Day (day 5) A. Day ____ out of 100 B. ___:___ C. /100 D. /100 =._____ ______ = ____ ____ % E. Odd or even F. Prime or.

Advertisements

Understanding percentage as the number of parts in every 100

Given the model below, write the equivalent fraction, decimal, and percent.

Ratios and Rates. ratio – is a comparison of two numbers or more values. Example: 1:3.

Jeopardy Square root Reducing fractions Reciprocals Ratios Exponents Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy.

Fractions, Percents & Decimals

Proportions. An equation stating that two ratios are equivalent is called a proportion. 200 Miles 4 Hours 50 Miles 1 Hour = An equation stating that two.

M FP & CComparingFill in.

3rd 9 Weeks Benchmark Review

Fraction Compare Chance Parts of a whole Equivalent.

Warm Up What property is each showing? (a + b) + c = a + (b + c) a (b + c) = ab + ac a + b = b + a (a ∙ b) ∙ c = a ∙ (b ∙ c) ab = ba Distributive Commutative.

Representing Ratios as Concrete Models & Fractions Lesson 2 3 rd 6 Weeks TEKS 6.3B.

Ratio Tables Objective: I can explore how to find two or more ratios that describe the same relationship.

Numbers and Number Sense

Rates and Ratios. Ratios and Rates ratio – a comparison of two numbers by division written in several different forms.

Jeopardy No calculators allowed By Jonathan Gembarski and David Feng.

Starter activity 60/80 7/21 21/70 90/ /480

© T Madas From the numbers in the list below, find: the square numbers.

Do Now:. Unit 3.5 SWBAT: Combine like terms Use the distributive property.

Powers and roots. Square each number a) 7 b) 12 c) 20 d) 9 e) 40 a) 49 b) 144 c) 400 d) 81 e) 1600.

BELL RINGER 9/13/10 Ratio of the Day (day 5) A. Day ____ out of 100 B. ___:___ C. /100 D. /100 =._____ ______ = ____ ____ % E. Odd or even F. Prime or.

Multiplication Facts Table of Contents 0’s 1’s 2’s 3’s 4’s 5’s 6’s 7’s 8’s 9’s 10’s.

Proportional and Non-proportional Relationships. An equation stating that two ratios are equivalent is called a proportional. 200 Miles 4 Hours 50 Miles.

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

 Ratios Mathematical Relationships. IS IT COLD IN HERE?

LESSON 4-3A PRIME FACTORIZATION. MATH VOCABULARY Prime #: A number that can only be found by multiplying the given number x 1 (only one way to get answer.

Ratios SOL 6.1 By Kathy Woodard Warm-up 1 Practice multiplication facts at

Use the hats to explain how you change from FDP

PowerPointmaths.com © 2004 all rights reserved

Bell Ringers Solve the following two step linear equations. Show your work. 1.

Simplifying Fractions

Ratio and Proportion Review

MATH VOCABULARY & GUIDED QUESTIONS DAY 52.

Proportions Ratios / Rates Unit 2.

Warm Up 1.) List all of the perfect squares up to The first three are done below. 1, 4, 9,… Using a calculator, evaluate which expressions are.

Ratios and Proportions

Lesson – Teacher Notes Standard: 6.RP.1

Factors, multiple, primes: Types of numbers from prime factors

Use pictures, words and equations to show your work.

Representing data: Two Way Tables with ratio and fractions.

Number a paper from one to 15 and find these ratios.

Bell ringer Simplify each fraction:

Equivalent Fractions.

Jan has 10 pieces of candy. She gives 3 to Jim. Then she gives 3 to Pam.How much candy does she have left? *

Ratios, Rates and Percents

Proportions TeacherTwins©2014.

Lesson – Teacher Notes Standard: 6.RP.1

Ratios introduction.

8.1 Introduction to Radicals

Opening Activity In your spiral, write the ratios below in three ways. Simplify if possible. Green circles to Red circles Stars to Total shapes.

Ratio Practice Name ____________________Date ________________

Ratios, Rates, and Proportions

Modeling Multiplication of a Fraction by a Fraction

Modeling Multiplication of a Fraction by a Fraction

Warm Up Name the shaded parts as fractions..

Ratios, Rates, Unit Rates

Equivalent Ratios Practice

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.

Changing Ratios to Percent’s Guided Notes

Solving Ratios Problems using Visuals

Solve each situation by making a ratio table of values.

Is all about sharing and being fair

Multiplication of 5.

Maths Unit 21 – Ratio Ratios - A ratio shows the relative sizes of 2 or more values. Ratios are shown by using a colon e.g. in the picture below for every.

Changing Ratios to Percents

Presentation transcript:

Ratios

2. Simplify each fraction: 1. List the Factors of the Number Warm-up 1 Practice multiplication facts at http://www.aaastudy.com/mul39ex2.htm Now use this site to answer question #1: http://illuminations.nctm.org/ActivityDetail.aspx?ID=64 2. Simplify each fraction: 1. List the Factors of the Number Is it prime or composite? 25 24 100 13

“Bad Date” Video http://www.schooltube.com/video/0004acc0553a4d7ab592/Matrix-Learning-Bad-Date-by-NMSU

compare two sets of data (part to whole, or part to part) Ratios compare two sets of data (part to whole, or part to part) a/b or a to b a:b

What is the ratio of red cubes to green cubes? Part to Part Ratios What is the ratio of red cubes to green cubes? 2 to 1 2:1 2/1 or

What is the ratio of red cubes to all the cubes? Part to Whole Ratios What is the ratio of red cubes to all the cubes? 2 to 5 2:5 2/5 or

Simplify a Ratio 2 to 6 2:6 2 6 1 to 3 1:3 1 3 A ratio can be simplified like a fraction. Ratio of red cubes to all the cubes: 2 to 6 2:6 2 6 1 to 3 1:3 1 3 Simplifies to

http://www.brainpop.com/math/ratioproportionandpercent/ratios/

12:10 Simplify it 4 / 3 / 20 TO 15 or 4 to 3

Remember: 1 L = 1000 ml /// 1000 ml

Be careful about the order! What is the ratio of mice to cats? Write the ratio with words & then fill in the numbers: Mice = 3 Cats 5 5 3 or 3 5

7:14 butter to flour?

What is the ratio of… Cats to Hamsters at Pet Place? Dogs at Your Zoo to dogs at Pet Place? All pets at Pet Stop to all pets at Your Zoo? Hamsters Dogs Cats Pet Place 4 2 3 Your Zoo 7 10 9 Pet Stop 5

The ratio of boys to girls in Room B is 15 to 12 The ratio of boys to girls in Room B is 15 to 12. What is the ratio of girls to total students in Room B?

What is the ratio of Zizu’s miles run to Mark’s miles run? or 1 to 3

What is the ratio of Kaya’s miles run to Jim’s miles run?

My Halloween Candy What is the ratio of snickers to m&ms? What is the ratio of snickers to all the candy?

Ratio of shaded squares to total squares: 5 x 10 = 50 or 1 to 2 Ratio of shaded squares to unshaded squares: total 10 x 10 = 100 50 to 50 or 1 to 1

45:100 or 9:20 45:55 or 9:11 Ratio of shaded squares to total squares: Ratio of shaded squares to unshaded squares: 45:55 or 9:11

Ratio of total squares to shaded squares: 100:32 or 25:8

According to the table, what is the ratio of the number of B’s Camelia earned to the number of A’s she earned? 07 SOL

Ratios

Ratios

Math Is Fun Good explanation and several real life examples. http://www.mathsisfun.com/numbers/ratio.html

Math Is Fun Good explanation and several real life examples. http://math.rice.edu/~lanius/proportions/index.html

Arcademic Think quick and find the equivalent ratio. http://www.arcademicskillbuilders.com/games/ratio-stadium/ratio-stadium.html