Factors and Multiples.

Slides:

Advertisements

Similar presentations

Test practice Multiplication. Multiplication 9x2.

Advertisements

Enter question text... 1.Enter answer text.... Enter question text... 1.Enter answer text...

Enter question text... 1.Enter answer text.... Enter question text... 1.Enter answer text...

We can find a multiple by multiplying the numbers together, but to find the Least Common Multiple we have to get rid of any factors that the numbers have.

4.4 Prime Factorization. Prime Factorization Prime factorization = write as product of primes Ex 1) Find prime factorization of

Factors & Multiples Copyright©2001 Lynda Greene Finding multiples & LCM (least common multiple)

Least Common Multiple Objective: Finding Least Common Multiple (LCM)

Least Common Multiple (LCM) of

Least Common Multiple (LCM)

Least Common Multiple Lesson 3-6.

Least Common Multiple.

Least Common Multiple. Multiples A multiple is formed by multiplying a given number by the counting numbers. The counting numbers are 1, 2, 3, 4, 5, 6,

How do you find the Least Common Multiple (LCM) of two or more numbers? For example, how do you find the Least Common Multiple of 12 and 15?

Least Common Multiples

Mrs. Walker 4 th grade math. Factors are numbers that are multiplied 8 X 8 = 64.

Writing Improper Fractions EXAMPLE 1 Using the Least Common Multiple EXAMPLE 1 Model Trains Two model trains share a station, but they run on separate.

Do Now Circle the prime numbers :

Warm Up # _____ Write on a new page*** Add or subtract.

We need a common denominator to add these fractions.

Least Common Multiple (LCM). Let’s Break It Down! Least  Smallest! Common  All numbers have it! Multiple  The product of a quantity! Definition:

EXAMPLE 2 Find the LCD of rational expressions Find the LCD of the rational expressions. r r 2 a., 1 4r4r SOLUTION a. Find the least common multiple.

a. The LCM of 4 and 5 is 20, so the LCD is 20.

3.1-Addition and Subtraction with Fractions Catherine Conway Math 081 Catherine Conway Math 081.

Notes 3.1 Least Common Multiples A multiple of a number is the product of the number and any whole number greater than zero. Of all the multiples of two.

Vocabulary Multiples Common multiples A number times 1, 2, 3, 4 etc.

Lesson 27Power Up EPage 188 Multiples Least Common Multiple Equivalent Division Problems.

4-2 Equivalent Fractions Page 147. Vocabulary Words A Multiple- of a number is the product of the number and a nonzero whole number. Example: List the.

TOUR SCHEDULES Using Prime Factorization to Find the LCM Three trolley tours leave from the same stop at 9 : 00 A.M. Tour A returns to the the stop every.

Least Common Multiple Algebra Seminar

SATMathVideos.Net A set S consists of all multiples of 4. Which of the following sets are contained within set S? A) S2 only B) S4 only C) S2 and S4 D)

Challenge Problem! Work in your groups to do this problem:

Challenge Problem! Work in your groups to do this problem:

May 16, 2012 Adding and Subtracting Rational Expressions DO NOW: Simplify HW: Pg 482 #23-35odds QUIZ Friday!

3:00. 2:59 2:58 2:57 2:56 2:55 2:54 2:53 2:52.

Which list of numbers is ordered from least to greatest? 10 –3, , 1, 10, , 1, 10, 10 2, 10 – , 10 –3, 1, 10, , 10 –3,

Least Common Multiples and Greatest Common Factors Lesson 4.3.

Math – Least Common Multiple 1. The __________________________ of two numbers is the ___________ number that is a __________ of both the original.

Lesson 2-4 Example Find the LCM of 5, 9, and 15. Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, … Multiples of 9: 9, 18, 27, 36, 45, 54,

Warm Up 10/21/15 1. List all the factors of List all the factors of Find the greatest common factor of 40 and 60.

Least Common Multiples

Least Common Multiple Objectives: The student will be able to:  Find the Least Common Multiple (LCM) for The given Numbers.

Least Common Multiple Objective: To find the least common multiple

Finding the LCM Test #4 Question 1 Find the LCM of 3 and 5.

Comparing Fractions In order to compare fractions, the denominators for each fraction need to be the same. Find the Least Common Multiple Make equivalent.

PRIME FACTORIZATION Pg. 12. ESSENTIAL QUESTION HOW do you use equivalent rates in the real world?

Least Common Multiple (LCM)

Least Common Multiple.

Least Common Multiples and Greatest Common Factors

GCF (greatest common factor) & LCM (least common multiple)

For each pair of polynomials, find the least common multiple. Example For each pair of polynomials, find the least common multiple.

Find LCM The least common multiple is the smallest of the common multiples Warm-Up: CR on Integers.

Finding the LCM and HCF using Prime Factor Decomposition

Top Fire Protection Services Ottawa available on Dubinskyconstruction

GCF (greatest common factor) & LCM (least common multiple) Click on the link below to access videos:

Factors and Multiples 4th Grade.

Review /12 + 7/12 5 2/5 – 3 9/5 -9b/18 + 7b/18 -5/21w – 16/21w.

Finding the Least Common Multiple (LCM)

Least Common Multiples

Factor a difference of squares.

Greatest Common Factor and Least Common Multiple

LCM (lowest common multiples)

2.3B Higher Derivatives.

Mixed Up Multiplication Challenge

Least Common Multiple.

Finding the LCM of Polynomials

Least Common Multiple.

Homework Check Pg Ex 7a 2,4,8,15 2.

Least Common Multiples and Greatest Common Factors

Finding the Least Common Multiple (LCM)

Presentation transcript:

Factors and Multiples

Factoring Is 6 a factor of 28? How about 24?

Factors of 84 1 x 84 2 x 42 3 x 28 4 x 21 6 x 14 7 x 12 Why no 5’s? Why did the list stop at 7?

Common Factors Find the factors of 18 and 24 18: 1 2 3 6 9 18 24: 1 2 3 4 6 8 12 24

Challenge Is 6 a common factor of 54 and 132?

Multiples of 5 Multiples 1 x 5 = 5 2 x 5 = 10 3 x 5 = 15 4 x 5 = 20

Least Common Multiple LCM What are the multiples of 3 and 7 3: 3 6 9 12 15 18 21 24 27 30 7: 7 14 21 28 35 42 49 56 63 70

Enter answers on Edmodo HW Ex 4 (pg. 12-13) Enter answers on Edmodo

Video