knowledge
is
power
  • hello Mrs. Miller
  • How to Learn
  • Jokes and Fun Stuff
    • JOKES KIDS HAVE SHARED
  • Animals
    • Butterflies and Grasshoppers
  • Books: Check it out
    • I Love Language
  • maps and history
    • WORLD CONTINENTS>
      • AFRICA
      • ANTARCTICA
      • ASIA
      • AUSTRALIA
      • EUROPE
      • NORTH AMERICA
      • SOUTH AMERICA
    • UNITED STATES
    • TEXAS>
      • Republic of Texas
  • MATH
    • Algebra Equations & Expressions>
      • Distributive Property
      • Exponents
      • Order of Operations
    • Computation>
      • Division
    • Factors>
      • Greatest Common Factor - GCF
      • Multiples and Least Common Multiple - LCM
      • Ladder Method/GCF & LCM
      • Prime Numbers and Factorization
    • Fractions>
      • Equivalents
      • Improper Fractions and Mixed Numbers
      • Simplifying/GCF
      • Unlike Denominators/LCM
    • Geometry
    • Measurement>
      • Customary Measures
      • Metric System
      • Time
  • SCIENCE
    • Ecology
    • Science Fair
  • Art and artists
    • STUDENT ART WORK
  • misc math web sites
  • Interpreting the remainder

Greatest common factor

List all factors of each number using T-charts.

Circle the common factors (numbers that appear on both lists).

Put a star by the largest number they both have which is the GCF --
Greatest Common Factor
.
Picture

---------------------------------------------------------------

18
1  x  18
2  x    9
3  x    6
56
1  x  56
2  x  28
4  x  14
7  x    8
Picture

The GCF of 18 and 56 is 2

---------------------------------------------------------------

Check out this video
*remember to use a t chart first
to generate a list of all factor pairs

---------------------------------------------------------------

Click to set custom HTML
Picture

use a venn diagram to find gcf

---------------------------------------------------------------

using the gcf is the fastest way to
simplify a fraction!

Powered by Create your own unique website with customizable templates.