Activity
101 Questions

Shipping Routes

For Teachers 6th - 8th Standards
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...
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Greatest Common Factors, Least Common Multiples

For Students 9th - 10th
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.
Activity
Texas Instruments

Texas Instruments: Oliver's Method

For Teachers 6th - 8th Standards
Students discover a relationship between the Greatest Common Factor (GCF) and the Least Common Multiple (LCM) of two numbers. Students will find and justify the relationship that the product of two numbers is equal to the product of the...
Activity
Cool Math

Coolmath: Gcf's and Lcm's Common Multiples

For Students 5th - 8th Standards
These prealgebra-arithmetic lessons explain greatest common factors (GCF's) and least common multiples (LCM's) and show how to find them.
Activity
Cool Math

Coolmath: Gcf's and Lcm's Least Common Multiple

For Students 7th - 9th
These prealgebra-arithmetic lessons explains greatest common factors (GCF's) and least common multiples (LCM's) and shows how to find them.