Is 4 plus the square root of 2 rational or irrational? After your class has gained a basic grasp of rational and irrational numbers, use this worksheet to push them a little further in their understanding. Learners must identify sums and...

This activity uses the division algorithm and the definition of a zero/root of a function to guide your class to see the relationship between zeros and factors of a general quadratic, which can later be generalized to the Remainder...

These four problems will guide your class through the idea behind the Fundamental Theorem of Algebra, which states that a polynomial of degree n has exactly n roots. Use the division algorithm and the definition of a zero/root of a...

Second graders take a trip to the arcade in an activity that engages them in problem solving with money. Composed of three word problems, youngsters are instructed to determine various combinations to represent a given value by using...

Functions behaving badly: the squaring function and the absolute value function are both zero at x=0. Yet when you divide each by x, different things happen. Here, your class will explore each scenario as a means to adding depth to their...

Find a quick, concise explanation of how to use the rules for divisibility by the numbers 2 through 10. Examples are given and clearly explained for each of the divisibility rules.

A chart that overviews divisibility rules for numbers divisible by numbers 2 through 12. Simple rules accompanied by examples.

Concepts and skills covered in this activity include number theory, divisibility rules, multiples, factors, and problem-solving skills.

This site offers a short quick reference list of divisibility rules with links to the explanations

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.

Students investigate the divisibility of 7, 11, and 13. They will also discover an interesting characteristic of six-digit multiples of 1001.

The resource investigates predicate calculus. The tutorial examines propositional calculus, universal quantifiers, mathematical statements, and divisibility. Students learn about the logic concepts through notes and examples. Practice...

This resource describes how to calculate ratios and provides an opportunity for students to practice the skill.

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.

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...

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

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

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.

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.

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.

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.

These tutorials teach division operations covered in K8 math courses. Each section has an explanation, interactive practice and challenge games about division.

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...

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.