'Common multiple lcm' presentation slideshows

Adding & Subtracting Unlike Denominators

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Ms. Drake 7th grade Math

Ms. Drake 7th grade Math. Number Theory Lesson 15 Variables and Algebraic Expressions. Week by Week Essentials Week 4. Number Theory. Addition Property of Equality Algebraic Expression Base Coefficient Composite Number Constant Division Property of Equality Equation.

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Lesson 5-6 Pages 226-230

Lesson 5-6 Pages 226-230. Least Common Multiple. Lesson Check 5-5. What you will learn!. How to find the LCM of two or more numbers. How to find the LCD of two or more fractions. Vocabulary. What you really need to know!.

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Prime Factors

Prime Factors. Prime and Composite Numbers, Prime Factorization, GCF & LCM. Checklist Points. Understand the difference between a prime and composite number . You will be able to find the lowest common multiple and greatest common factor of a set of numbers. What are Factors?.

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Least Common Multiple

Least Common Multiple. Objectives : The student will be able to: F ind the Least Common Multiple (LCM) for The given Numbers. Multiples. A multiple is formed by multiplying a given number by the counting numbers. The counting numbers are 1, 2, 3, 4, 5, 6, etc.

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LEAST COMMON MULTIPLE

LEAST COMMON MULTIPLE. Revision . Find the prime factorization of each number: 36 = 2 x 2 x 3 x 3 76 = 2 x 2 x 19 105 = 3 x 5 x 7 145 = 5 x 29. MULTIPLE. A Multiple of a number is the product of the number and any whole number.

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Chapter 5

Chapter 5. Number Theory. 5.1 Primes, Composites and Tests for Divisibility.

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EXAMPLE 2

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The Ladder Method

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EXAMPLE 2

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California Standards

California Standards. NS2.4 Determine the least common multiple and the greatest common divisor of whole numbers; use them to solve problems with fractions (e.g. to find a common denominator to add two fractions or to find the reduced form of a fraction). Vocabulary. multiple

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Least Common Multiple (LCM)

Least Common Multiple (LCM). Definition The smallest postive number that is a multiple of two or more given numbers. Method #1: Make a List. STEP 1: List the first 10 multiples of the greater number.

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Least Common Multiple

Least Common Multiple. Using Factor Trees to find the least common multiple (LCM). Least Common Multiple. The least common multiple of two (or more) numbers is the smallest number that can be divided by both (or all) the numbers. Example the LCM of 4 and 7 is 4x7 = 28. Finding the LCM.

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Factors and Multiples

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Chapter 2

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GCF and LCM

GCF and LCM. The biggest number that can evenly divide both. When we are trying to reduce a fraction. What is the greatest common factor (GCF) of two numbers ? When is the GCF useful?. D ivide the numerator and the denominator by their GCF. What is the simplest form of ?.

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Least Common Multiple (LCM)

Least Common Multiple (LCM). The smallest number, other than zero, that is a multiple of two or more given numbers. 3 Methods for finding the LCM. Method 1: Use a number line Ex. 3 & 4 Method 2: Use a list 3 : 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36

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EXAMPLE 2

a. ,. 1. 1. 4 r. 4 r. r + 3. r + 3. 4 r = 2 2 r. 10 r 2. 10 r 2. LCM = 2 r 2 5 r = 20 r 2. 10 r 2 = 2 5 r r. ANSWER. The LCD of and is 20 r 2. EXAMPLE 2. Find the LCD of rational expressions. Find the LCD of the rational expressions.

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Least Common Multiple (LCM)

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