McGraw Hill
Glencoe: Self Check Quizzes 1 Divisibility Patterns
Use Glencoe's randomly generated self-checking quiz to test your knowledge of divisibility patterns. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
Math Is Fun
Math Is Fun: Divisibility Rules
A chart that overviews divisibility rules for numbers divisible by numbers 2 through 12. Simple rules accompanied by examples.
Scholastic
Scholastic: Study Jams! Math: Multiplication and Division: Divisibility Rules
This site provides great practice on the concept of divisibility rules. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...
Khan Academy
Khan Academy: Factors & Divisibility
Students practice multiple-choice problems with factors and divisibility.
Khan Academy
Khan Academy: Intro to Factors & Divisibility
Learn what it means for polynomials to be factors of other polynomials or to be divisible by them.
E-learning for Kids
E Learning for Kids: Math: Penguins: Division
This interactive site allows students to practice their division skills. At the end of the lesson students will be able to divide mentally using divisibility tests, solve word problems using division strategies, and use a written...
Other
Thales: Divisibilidad
Spanish content. Online lessons explaining divisibility, most common dividers, and least common multiples. Shows step-by-step examples, followed by a few example problems and solutions.
Other
Project Happy Child: 100s Board Worksheets
Use these 100s Boards to have students check for divisibility by 2-12 and for square and prime numbers. Just find the links below the 100s board that has the directions printed right on top of the worksheet.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Division
This Math Page tutorial explains and defines the concept of division. There is a practice section at the end of the lesson.
AAA Math
Aaa Math: Ratios
This resource describes how to calculate ratios and provides an opportunity for students to practice the skill.
AAA Math
Aaa Math: All About Division
These tutorials teach division operations covered in K8 math courses. Each section has an explanation, interactive practice and challenge games about division.
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator: Adding Even Numbers
Can you beat the calculator? Your task is to find the sum of all even numbers between two and any selected two-digit even number. If you can find the number pattern, you are sure to beat the calculator every time. Links to other "Beat...
AAA Math
Aaa Math: Counting Even Numbers by Twos
Use this lesson to learn about adding two and skip counting to understanding the concepts of counting even numbers by twos. Play the interactive game "Counting Up By Twos," and get your score instantly.
The Math League
The Math League: Whole Numbers & Basic Properties
Here is a nice resource for students and teachers about whole numbers and their basic properties. It provides links to information on place value, expanded form, and rounding numbers are just a few of the topics on this page.
TED Talks
Ted: Ted Ed: Why Can't You Divide by Zero?
Learn about the math rule that says we cannot divide by zero.
George Mason University
Margo Mankus: Investigating Lcm and Gcf Using Rods
This lesson plan is for an activity using rods (Cuisenaire Bars) to help students understand the concept of factors, in particular the LCM and GCF of two numbers.
Other
Project Happy Child: Times Tables Division Worksheets
50 basic division worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
University of Cambridge
University of Cambridge: Nrich: Divide It Out!
On this one page website sharpen your logic and basic division fact skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: A Conversation Piece
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.
University of Cambridge
University of Cambridge: Nrich: Two Primes Make One Square
On this one page website sharpen your logic, prime numbers and square numbers skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Making Sticks
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.