In this least common multiples practice worksheet, students examine sample problems and solve 20 problems that require them to find least common multiples.

For this prime numbers worksheet, students answer multiple choice questions about prime numbers and how they are read. Students answer 10 questions total.

In this simplifying fractions worksheet, students review how to simplify before multiplying fractions. Students respond to 4 multi-part questions that require them to simplify fractions prior to multiplying them.

In this least common multiple practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.

In this LCM worksheet, students read several paragraphs on finding LCM in various situations, then solve 25 problems.

Students use "Swiss Balls" to help them combine their movements into repeatable patterns.

This is a complete lesson about the concept of divisibility and common divisibility rules. It briefly reviews the concepts of factor, divisor, and a number being divisible by another. Then, the "easy" divisibility rules by 2, 5, 10, 100,...

A handy table of the rules of division is presented here. Examples are given for each of the rules, from the number 2 to the number 10. The site stresses that a list such as this isn't cheating, but rather a nice resource to have.

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...

This task investigates divisibility properties for the numbers 3, 6, and 7. Aligns with 4.OA.C.

This Math Page tutorial explains and defines the concept of division. There is a practice section at the end of the lesson.

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...

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.

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.

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...

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.

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...

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.

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.

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.

This lesson shows examples of how to get started with the prime factorization of three-digit or larger numbers, using a factor tree. includes numerous practice exercises.

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...

Discover all the primes up to the number 400 by using this interactive table. Simply click on a number and its multiples disappear.

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...