Quia
Ixl Learning: Divisibility Rules
Brush up on your math skills relating to divisibility rules then try some practice problems to test your understanding.
Lesson Tutor
Lesson Tutor: Divisibility Rules Worksheet
A worksheet of twenty practice problems is given here for students wishing more help with the concept of reducing fractions down to their lowest terms. The first several questions are accompanied with explanation, and a link to the...
Math Slice
Math Slice: Divisibility
This resource contains timed practice for divisibility rules. There is a link to an explanation of the divisibility rules. Students receive instant feedback and an opportunity to practice again.
ClassFlow
Class Flow: Divisibility & Factorials
[Free Registration/Login Required] Testing for divisibility of 0, 2, 3, 4, 5, 9, 10 & 11. This flipchart explores factorials and perfect numbers as well.
Quia
Quia: Divisibility and Prime
If you enjoy playing the game Battle Ship you will enjoy this game. When you locate an enemy ship to get the hit you must correctly answer a question using your knowledge of divisibility rules and prime numbers. It is a fun way to...
Illustrative Mathematics
Illustrative Mathematics: 4.oa Multiples of 3, 6, and 7
This task investigates divisibility properties for the numbers 3, 6, and 7. Aligns with 4.OA.C.
Illustrative Mathematics
Illustrative Mathematics: 4.oa Multiples of Nine
This task examines the interesting fact that when a number is divisible by 9 then the sum of its digits is also divisible by 9. Aligns with 4.OA.C.5.
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...
ClassFlow
Class Flow: Number Sense Related to Division
[Free Registration/Login Required] This flipchart introduces divisibility, primes and composites, averages, and estimating quotients.
ClassFlow
Class Flow: Biz Buzz
[Free Registration/Login Required] Discover and apply divisibility rules for 2, 3 and 6.
AAA Math
Aaa Math: Ratios
This resource describes how to calculate ratios and provides an opportunity for students to practice the skill.
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...
Other
Eratosthenes' Prime Number Sieve
Discover all the primes up to the number 400 by using this interactive table. Simply click on a number and its multiples disappear.
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.
TED Talks
Ted: Ted Ed: Can You Solve the Fish Riddle?
In this riddle, some endangered fish species are being transported by water and a storm causes them to be thrown overboard. Your task is to devise a way to rescue them. The video provides some pointers on how to approach the problem....
Cuemath
Cuemath: Factors
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...
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.
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.
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.
Sophia Learning
Sophia: Even Numbers
This video lesson shows even numbers, or numbers which can be evenly divided by two. [1:48]
ClassFlow
Class Flow: Introduction to Division With Remainders
[Free Registration/Login Required] This flipchart is an introduction to division with remainders. The lesson consists of teaching children the basics of division with remainders in problems that contain a 2-digit dividend with a 1 digit...
Math Is Fun
Math Is Fun: Long Division to Decimal Places
If you want to learn the traditional algorithm for long division when you divide to the decimal places, this website gives a very clear, simple step-by-step break down of the process. Students can solve six problems to practice the skill...
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.
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