ClassFlow
Class Flow: Rounding
[Free Registration/Login Required] In this flipchart, students apply estimation strategies to predict or determine the reasonableness of answers in situations involving computation on rational numbers in various forms including whole...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Number Line
Find a quick, concise explanation of a number line. Several examples are given and clearly explained.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Rational Numbers
Find a quick, concise explanation of rational numbers. Examples are given and clearly explained.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Whole Numbers
Find a quick, concise explanation of whole numbers using a diagram. An example is given and clearly explained.
Free Math Help
Free Math Help: Algebra Lesson: Rational Numbers
Learners examine the set of real numbers. The resource includes detailed explanations about rational and irrational numbers. It provides example problems.
That Quiz
That Quiz: Recta Numerica
Practice identifying numbers on the number line, distance between two numbers, and graphing inequalities. This page provides four different levels and tracks the number of correct answers.
ClassFlow
Class Flow: Rational and Irrational Numbers
[Free Registration/Login Required] By the end of the lesson, students will classify numbers into number families to help understand how to distinguish the difference between rational and irrational numbers. Students will demonstrate this...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Real Number System
Find a quick, concise explanation of real numbers. Examples are given and clearly explained in a diagram that shows the relationship real numbers has to other numbers.
Purple Math
Purplemath: Number Types
This site explores the different types of numbers: natural numbers, whole numbers, integers, and rational and irrational numbers. Content includes some practice questions.
Wikimedia
Wikipedia: Rational Numbers
Learn the definition of rational numbers. You can also look at some examples and properties, plus learn about Egyptian fractions. Links are provided for additional information.