Curated OER
Greatest Common Factor
In this GCF instructional activity, students fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
Curated OER
Greatest Common Factor #2
In this GCF worksheet, students fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
Helping with Math
Prime Factorization with Factor Trees (2 of 2)
The publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...
Curated OER
Prime Factorization with Factor Trees (1 of 2)
Six numbers (12, 32, 50,48,36, and 75) are given to learners to craft factor trees with. The first one is completed as an example in this first of two similar online worksheets. Note that where factorization is an foundational step in...