Math Forum Faq which briefly defines greatest common factor and links to an in-depth investigation of how the GCF is found.

This calculator factors a set of positive integers to find the common factors (common divisors) of those integers. Enter the set of numbers you want to factor separating them with commas.

This resource allows students to practice finding the greatest common factor among 2, 3, or 4 numbers. Students are able to select parameters of how many numbers they will compare, and the range of possible numbers. There are ten...

Understand the steps to do when simplifying and reducing fractions including finding the greatest common factor on this website.

[Free Registration/Login may be required to access all resource tools.] Learn how to factor quadratic expressions. Includes examples, videos, review exercises, and a quiz.

Find both the center and the scale factor of a dilation that maps a given figure to another one. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This is a complete instructional activity about the concept of divisibility and common divisibility rules. It briefly reviews the concepts of factor, divisor, and a number being divisible by another. Then, the "easy" divisibility rules...

Practicing math problems is a great way to study for a math test!

An introduction to two important uses of synthetic substitution, the remainder theorem and the factor theorem. Includes examples and sample problems with solutions.

Practice finding the lowest term name for a variety of different fractions using a number line.

Practice exercise reviews factoring polynomials including how to factor out the greatest common factor, factoring by grouping, factoring quadratics, and factoring polynomials with degree greater than 2.

The purpose of this task is to introduce students to an exponential decay function in the form f(x) = abx, with a concrete interpretation of the decay factor b. A table shows the rebound height of a basketball for each successive bounce....

Here, students can practice solving word problems involving a finite geometric series. They receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.

Models how to write a similarity statement about different types of triangles and quadrilaterals.

[Free Registration/Login may be required to access all resource tools.] In this lesson students explore geometric dilations. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.

[Free Registration/Login may be required to access all resource tools.] This concept explores graphing a dilation given a description of the dilation. Students examine guided notes, review guided practice, watch instructional videos and...