eBook
Khan Academy

Khan Academy: Intro to Factors & Divisibility

For Students 9th - 10th Standards
Learn what it means for polynomials to be factors of other polynomials or to be divisible by them.
Article
Cuemath

Cuemath: Factors

For Students 5th - 8th
A factor of a number in math is a number that divides the given number. Factors are used in many situations in daily life. This article explains factors and how to find factors using multiplication and division. Included are solved...
Lesson Plan
George Mason University

Margo Mankus: Investigating Lcm and Gcf Using Rods

For Teachers 9th - 10th Standards
This lesson plan is for an activity using rods (Cuisenaire Bars) to help young scholars understand the concept of factors, in particular the LCM and GCF of two numbers.
Activity
Purple Math

Purplemath: Lcm & Gcf

For Students 9th - 10th Standards
Purplemath shows an easy and orderly way to determine the GCF and LCM of any two numbers. Even large numbers won't be a challenge with this method.
Whiteboard
ClassFlow

Class Flow: Biz Buzz

For Teachers 3rd - 5th
[Free Registration/Login Required] Discover and apply divisibility rules for 2, 3 and 6.
Activity
University of Cambridge

University of Cambridge: Nrich: A Conversation Piece

For Students 3rd - 8th Standards
On this one page website sharpen your logic, division and prime number recognition skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Making Sticks

For Students 3rd - 8th Standards
On this one page website sharpen your logic, factors, and multiples skills while working on this challenge. The solution is available to double check your solution.

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