In this tutorial, students learn how to do prime factorization by a few different methods, including factor trees and factor stacks. The exercises work their way up from 2-digit numbers up to 5 digits. Includes practice problems.

This Shodor site gives a brief explanation of factorization, and it allows you "to find all of the factorizations of a given number and then draw the product as the area of a rectangle on a grid."

Explore primes, prime factors, and composites using this collection of worksheets. Lots of detailed examples, interesting math facts, and colorful visuals. Acrobat Reader required.

In this video, learn how to find the greatest common factor of two numbers. Then, see how this can be used to solve problems with large numbers. In the accompanying classroom activity, students learn to find prime factors using factor...

Learn about "factorization" from Cool Math. Several examples and practice problems are provided.

This site is an interactive quiz which provides students with a prime factorization problem. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and explanations are provided...

Explore environmental factors of an area that affect a species' characteristics over time. Construct a "broom" tree, sketch support structures similar to those used by the tall Amazon trees and explain the limitations of such structures.

Examine how scientists determine the age of living and non-living trees and identify factors that impact sizes of tree rings. Analyze tree ring samples and determine the age of the oldest sample.

This worksheet provides a series of problem-solving questions that require higher order thinking skills. Questions will include finding the greatest common divisor, and least common multiple.

Watch as the National Museum of Mathematics creates an interesting series of images using ratios. This video focuses on the proportional relationship observed in fractals and challenges you to do some critical thinking using ratios and...

In this instructional activity, you will be learning prime factorization to solve various mathematical problems followed by solved examples and practice questions.

[Free Registration/Login Required] This flipchart allows students to practice working with prime and composite numbers. Students learn how to do prime factorization.

In this task, young scholars must estimate the number of leaves on a large tree, taking into account various complex factors such as the area shaded by the tree, the area of irregularly shaped leaves, the uneven distribution of leaves,...

Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of prime factorization. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...

Abiotic factors vary in the environment and determining the types and numbers of organisms that exist in that environment. Factors which determine the types and numbers of organisms of a species in an ecosystem are called limiting...

The telling of the Civil War from an ecological view from the National Humanities Center. The toll of life taken of young men and animals, the devastation of cities, towns, farmland, trees, and forests - all these factors are discussed...

Find out why the sometimes hazardous or untidy dead trees are actually quite important to wildlife.

Find out how dead trees can be beneficial to a backyard habitat.

Dozens of statistical terms are defined and illustrated in this glossary.

Download the Kidspiration templates to be used as supplemental math resources. Templates include the following elementary math topics: fractional parts, ordering fractions, multiplication, place value, matching shapes, ordering numbers,...

This website, from the University of Edinburgh, provides a lengthy glossary of computer graphics terms written by Olin Lathrop, author of "The Way Computer Graphics Work". This site provides simple definitions of basic terms; no graphics...