WARM UP Find the greatest common factor (GCF): 1.24, 30, 42 Find the least common multiple (LCM): 1.4, 12, 16.

Slides:

Advertisements

Similar presentations

Least Common Multiple (LCM)

Advertisements

/8/08 GCF, LCM Using Prime Factors #19

Lesson 1: Factors and Multiples of Whole Numbers

Factorization Factorization is writing a number as a product of factors

The ABC’s of GCF and LCM.

PRIME AND COMPOSITE NUMBERS

Chapter 2 Practice Test Mastery Test A

3.1 Factors and Multiples of Whole Numbers. A prime number A Composite number A factor of a Number Prime Factorization Greatest Common Factor Common Multiple.

Least Common Multiple (LCM) of

1. Find the common factors of two or more numbers 2. Determine the greatest common factor (GCF) of two or more numbers 3. Determine whether a number is.

Factor vs Multiple 24 FactorsMultiples. Prime Factorization Using factor tree or division method24.

Greatest Common Factor and Least Common Multiples GCF and LCM

Finding GCF’s and LCM’s

Primes, Factors, & Multiples NOtes

Greatest Common Factor Least Common Multiple and Lowest Terms

LEAST COMMON MULTIPLE CONFIDENTIAL.

Factors & Multiples Lesson 1 - Factors & GCF

4.3 Greatest Common Factors (GCF)

Least Common Multiple using the cake method.

5 Minute Check Find the GCF. (On back of homework) 1. 8, , 35, A gardener has 27 roses and 36 daisies. He plants an equal number of each.

Do Now Circle the prime numbers :

 What prime factorization is.  For example the prime factorization of 24 = 2223  Today we will learn how to find the greatest common factor of two.

Ms. Drake 7th grade Math Number Theory Lesson 6 Least Common Multiple.

Least Common Multiple, Greatest Common Factor, & Decimals

MENTAL MATH Provide the missing operations: 4 ___ 2 = 2 5____3 = 8

5.1 Divisibility. Natural Numbers The set of natural numbers or counting numbers is {1,2,3,4,5,6,…}

Copyright © Ed2Net Learning, Inc.1 Least Common Multiple Grade 6.

Factoring using GCF interpret parts of an expressions such as terms, factors, and coefficient.

Least Common Multiple.

Please get out your Homework, and a pencil, and your notes journal. Please be ready as soon as the bell rings. If you have any questions please put them.

Greatest Common Factor Least Common Multiple Factorization.

Chapter 11 Review Math. Tell whether the following numbers are divisible by 2, 3, 4, 5, 6, 8, 9, 10, and ,488 1,881 3,360.

Using LCM and GCF to solve word problems Planner Notes Finish LCM & GCF word problems Bellwork: Do evens off the LCM Notes page…Example 1.

Greatest Common Factor and Least Common Multiples GCF and LCM.

How can you find the greatest common factor of two numbers?

Least Common Multiples and Greatest Common Factors Lesson 4.3.

It starts exactly like GCF! LET’S MOVE ON TO LEAST COMMON MULTIPLE!

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.

Greatest Common Factor and Least Common Multiples GCF and LCM.

Least Common Multiples

Topic #3: GCF and LCM What is the difference between a factor and a multiple? List all of the factors and the first 3 multiples of 6.

Factors and Multiples of Whole Numbers Math 10 Ms. McGrath.

1 st 9 Weeks Benchmark Test Review Mrs. Ingram 6 th Grade Math.

Greatest Common Factor (GCF) and Least Common Multiple (LCM)

Extra Lesson Greatest Common Factor and Least Common Multiple of Monomials Essential Question: How do you find the greatest common factor and least common.

Do Now: Draw a picture representing each fraction: ½ 2/4 5/10 What do you notice?

GCF/LCM Module2 Lesson 18.

Greatest Common Factor and Least Common Multiples GCF and LCM

Greatest Common Factor Least Common Multiple

Fraction Jeopardy LCM GCF $100 $200 $300 $400 $500 $600 $700 Add it up

Least Common Multiples and Greatest Common Factors

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

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

Fraction Review.

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

Factors Multiples LCM Prime Factor- ization Prime Vs. Composite GCF

Finding the Least Common Multiple (LCM)

Greatest Common Factor and Least Common Multiples GCF and LCM

Prime Factorization Course

Least Common Multiples

Greatest Common Factor and Least Common Multiples GCF and LCM

Greatest Common Factor (GCF)

Least common multiple Lesson 1.3.

Factor vs Multiple 24 Factors Multiples.

LCMs and GCFs Griffin Middle School 6th Grade Math.

Finding the LCM and the GCF Using Prime Factorization

Least Common Multiples and Greatest Common Factors

Finding the Least Common Multiple (LCM)

Presentation transcript:

WARM UP Find the greatest common factor (GCF): 1.24, 30, 42 Find the least common multiple (LCM): 1.4, 12, 16

HOMEWORK 1. On her bicycle, Maria circled theblock every 4 minutes. Herbrother, on his scooter, circles theblock every 10 minutes. If theystart together, how many minuteswill it be before they meet again? 2. Find the least common multiple: 1. 18, 27

GREATEST COMMON FACTOR vs. LEAST COMMON MULTIPLE Students will be able to identify the difference between GCF and LCM of two or more composite numbers. What other method(s) can we use to find the GCF and LCM?

The Math Club members are preparing identical welcome kits for the sixth-graders. They have 60 pencils and 48 memo pads. What is the greatest number of welcome kits they can prepare using all of the pencils and memo pads?

Zack helped his mom plant a vegetable garden. Zack planted a row every 30 minutes and 20 minutes. If they started together, how long will it be before they both finish a row at the same time?

Antonio mows the lawn every three weeks and washed the car every two weeks. If he does both today, how many days will pass before he does them both on the same day again?

1.The GCF of 1,274 and 1,365 is 91, or Are 7, 13, and 91 factors of both 1,274 and 1,365? Explain. (CCSS- Written Response Task) 2.Can two numbers have the same LCM as their GCF? Explain. EXTRA CREDIT