Download Greatest Common Factor

yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project

Document related concepts

Factorization wikipedia , lookup

Greatest Common Factor
Created by
Cristina Salas Leal
November 17, 2007
The students will list factors of a number and
identify the greatest common factor of two or
more numbers.
TEKS (6.1E) The student is expected to identify
factors of a positive integer, common factors,
and the greatest common factor of a set of
positive integers.
Math Journal
Write and answer the following
questions in your math journal.
What does GCF stand for?
 How do you factor?
 What is a factor?
What is a factor?
A factor is whole number that divides into
another whole number evenly.
Factors of 12: 1, 2, 3, 4, 6, 12
Climb the mountain
Factors of 12
Use a Rainbow
Factors of 18
Beach Clean Up
Volunteers arrive at the beach to help pick
up trash. There were 32 girls and 24 boys
ready to help. The coordinator wanted to
divide the boys and girls equally among
the groups. How many boys and girls
would be needed to make the largest
group possible?
Find the GCF
List the factors of 32 and 24
32: 1, 2, 4, 8, 16, 32
24: 1, 2, 3, 4, 6, 8, 12, 24
The greatest common factor is 8.
Internet Websites
Match the answer to the problem on this
website. Check to see how many you
answered correctly.
Click Here – GCF
 Test your self. How many LCM problems
can you answer in 60 seconds?
Click here – AAAMATH
Scroll down and play the Countdown
Thank You