Discusses what numbers are and how our understanding of them has evolved over thousands of years, from simple counting to negative numbers and irrational numbers, for example. Includes a set of practice questions where students identify...

A comprehensive guide for learning all about real numbers and their important properties with solved examples and practice questions.

A comprehensive guide for learning all about odd numbers with definitions, properties, types, solved examples, and practice questions.

Given problem situations that include pictorial representations of irrational numbers, the student will find the approximate value of the irrational numbers.

This tutorial shows students how to multiply and divide complex numbers and includes the topic of conjugates. Includes link to a graphing calculator tutorial.

This website provides an in-depth lesson on complex numbers. You learn about simplifying, adding, and multiplying complex numbers by viewing example problems that are worked through step-by-step. Continue on to pages 2 and 3 which...

Use this tutorial to learn what imaginary and complex numbers are, how to write them, and how to perform operations with them. Offers step-by-step examples, video explanations of the examples, and practice questions with answers.

This task challenges a student to use an understanding of numbers and place value through the thousands place.

The mathematics behind Fibonacci numbers and the mathematics that comes as a result of them as well. Provides a lot of activities you can try using the Fibonacci sequence.

Whole grains are an important part of your diet. This article discusses the advantages of whole grains, how you can incorporate them into your meals, and there are even some recipes to try.

Learn how to identify irrational numbers. This lesson reviews the irrational number list, the difference between irrational and rational numbers, and whether or not irrational numbers are real numbers. Examples are provided along with a...

Using vectors as a starting point, this site demonstrates how complex numbers can be written in polar form. Several examples are included that require you to write complex numbers in polar and rectangular form and also represent them...

A lengthy page of rules regarding how to use numbers in writing, as well as how to write lists. Very helpful.

Provides an explanation, examples, and a video lesson all related to complex numbers.

A lesson focused on subtracting mixed numbers using fraction strips and an interactive fraction pad.

The number line is a useful tool to use when ordering rational numbers.

The number line is a useful tool when ordering positive and negative rational numbers.

This lesson focuses on recognizing and demonstrating the standard uses of apostrophes including in possessives, contractions, acronyms, and numbers. It also provides a practice activity.

Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or disrupt a sacred ritual? No, Hippasus's transgression was mathematically...

The goal of this task is to examine sums and products of rational and irrational numbers. One important property of rational numbers is that their decimals always terminate or repeat: using a slightly different formulation, a rational...

A complete explanation of complex numbers that includes lessons on adding, subtracting, multiplying, and dividing them, as well as more advanced topics.

This site contains a free lesson on Prime Factorization in which students learn by doing practice problems.

[Free Registration/Login Required] In this formative assessment task, students are asked to explain how rational and irrational numbers differ and why the product of a non-zero rational number and an irrational number is irrational....

In this interactive, use logic to solve riddles involving a wallaby jumping contest. Add two consecutive jumps and place them on a number line, finding equivalent fractions and common denominators to do so. Backward jumps represent...