CK-12 Foundation
Greatest Common Factor Using Lists
By creating a list of factors for two numbers, it is easier to see the greatest common factor. Each question in an interactive resource asks pupils to identify the greatest common factor for the numbers 24 and 36 in several...
Scholastic
Study Jams! Simplest Form
Make math simple with this step-by-step presentation on fractions in their simplest form. Multiple approaches are introduced including, most efficiently, the division of numerators and denominators by their greatest common factor. Work...
Online Math Learning
Word Problems That Use GFC or LCM
This is a webpage that contains five word problems requiring learners to find the least common multiple or least common denominator.
Curated OER
My Test Book: Factors and Prime Numbers
In this online interactive math skills instructional activity, students solve 10 multiple choice math problems regarding factors and prime numbers. Students may submit their answers to be scored.
Curated OER
My Test Book: Multiples and Factors
In this online interactive math skills activity, students solve 10 multiple choice math problems regarding multiples and factors. Students may view the correct answers.