Examples, videos, worksheets, and solutions to help Grade 6 students learn how to find the greatest common factor using the upside down birthday cake method also called the ladder method.
The following diagram shows an example of finding the greatest common factor using birthday cake or ladder method. Scroll down the page for more examples and solutions on the greatest common factor (GCF).
How to find the Greatest Common Factor using the Birthday Cake Method?
Finding the Greatest Common Factor using the Birthday Cake Method
Example:
Find the GCF of 30 and 75.
This is an alternate way to determine the greatest common factor (GCF) for a set of numbers using the upside down birthday cake method.
Example:
Find the GCF and LCM of two or more numbers using the cake method Example:
LCM & GCF With the Ladder Method
Example:
Find the GCF and LCM of 24 and 36.
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