This is an exercise in finding the greatest common factor of two whole numbers. Use in direct instruction or as part of your guided practice. Make up additional problems for home work. It also can be used as a mini-assessment or test...

Put math into action with the real-life scenario of a bake sale. The participants at this bake sale are ready to divide their fresh-baked cookies into bags. It is up to your number crunchers to help decide how many cookies should go in...

The product of the hard work is learning. Scholars use a simulation tool to collect information to analyze. They must decide when two ships traveling back and forth across a river at different rates will meet on the same side. The intent...

It seems the post office has run out of stamps! Learners build all the values of postage available if the post office only sells five- and seven-cent stamps. The task provides an opportunity to create an expression in two variables and...

These may not all be your cup of tea, but you'll likely find some gold in this math games packet. Find brief, easy-to-execute games (like Integer Football) and that are perfect for review or even a substitute teacher plan. 

Patterns in polygons lead to patterns in polynomials. Presented with a series of polygons, individuals create polynomial expressions to represent their patterns. The algebra project consists of nine problems that incorporate polynomial...

Twenty-four problems present a variety of problems working with finding the greatest common factor and finding prime factorizations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of...

Two different methods of finding the greatest common factor are explained at this one page website. It is very easy to follow the step by step directions.

Understand how to find the greatest common factor.

Excellent tutorial on GCF of polynomials, including examples and step-by-step instruction on factoring.

This WebMath site contains a tool for locating the greatest common factor. Simply plug in the numbers and you are on your way! Use it to check your answers.

Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.

Students simplify fractions by dividing the numerator and denominator by the GCF (the greatest common factor). They check their work by using a calculator.

Students use a graphing calculator to find the Greatest Common Factor of two or more numbers.

This WebMath online tool is useful for factoring polynomials by finding the greatest common factor. Simply plug the numbers in and you are on your way!

An advanced investigation of Greatest Common Factors (Divisors) and a look at related algorithms and properties) comutative, associative, and more). Contains links to relevant topics.

The tutorial explains how to factor a greatest common factor from an expression. The resource includes a lesson with examples, practice problems, and an expression-factoring calculator.

In this lesson from WyzAnt, students learn how to find the greatest common factor (GCF) for numbers and expressions. There are practice problems and a GCF calculator for assistance.

This tutorial demonstrates how to factor the GCF out of a polynomial expression. An online worksheet is provided for extra practice.

Find a quick, concise explanation of how to find the greatest common factor. Examples are given and clearly explained.

Students review factoring a greatest common factor from an expression. The handout consists of an example and answer sheet.

This lesson contains a learning exercise in which the user has to find the greatest common factor and type it in. The exercise keeps track of how many right and wrong answers given and gives you a grade.

Math Forum response to question about finding the greatest common factor by using the factoring tree method.

Math Forum response to request for info on how to find greatest common factors, and how this compares to least common multiples. Explanation includes examples of each.