Instructional Video
Massachusetts Institute of Technology

Mit: Blossoms: Rational Versus Irrational Numbers

9th - 10th Standards
The scope of this video lesson consists in studying the sets of Rational and Irrational numbers. The main objectives for the students are: 1) Learning how to distinguish between a rational number and an irrational number; 2) Learning...
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Number Sets

9th - 10th Standards
Video first reviews what natural numbers, whole numbers, integers, rational numbers, irrational numbers and real numbers are. Gives examples of classifying numbers. [5:17]
Instructional Video
Khan Academy

Khan Academy: Algebra: Square Roots and Real Numbers

9th - 10th Standards
This resource explains how to find the square root of real numbers using their prime factorizations and labeling the results as rational or irrational. [10:19]
Instructional Video
Khan Academy

Khan Academy: Algebra: Complex Numbers: Number Sets 2

9th - 10th Standards
Video explains in which number sets in the real number system that a specific repeating decimal belongs. Shows method for rewriting the repeating decimal as a fraction. [6:52]
Instructional Video
Virtual Nerd

Virtual Nerd: What's an Irrational Number?

9th - 10th Standards
An irrational number is a number that cannot be written as a fraction. View this tutorial to see some examples and learn the definition and an important property of these special numbers. [2:06]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Real Number?

9th - 10th Standards
Real numbers are numbers that can be found on the number line and can be either a rational or irrational number. This tutorial explains real numbers and gives some examples. [2:57]
Instructional Video
Virtual Nerd

Virtual Nerd: What's a Rational Number?

7th - 9th Standards
View this video tutorial to learn about rational numbers. [1:38]
Instructional Video
Khan Academy

Khan Academy: Rational Functions: Rational Equations

9th - 10th Standards
A step-by-step breakdown to solve a rational equations and find the excluded values.
Instructional Video
Khan Academy

Khan Academy: Rational Functions: Solving Rational Equations 2

9th - 10th Standards
A step-by-step breakdown on how to solve a rational equation with constraints.
Instructional Video
Sophia Learning

Sophia: Dividing Rational Numbers

9th - 10th Standards
Explore how the multiplicative inverse can be used to divide rational numbers. Assess learning with a quiz.
Instructional Video
Sophia Learning

Sophia: Rational Numbers

9th - 10th Standards
Explore a rational number and what makes it rational.
Instructional Video
Sophia Learning

Sophia: Rational Numbers and Integers

9th - 10th Standards
Determine how rational numbers are related to integers, whole numbers, natural numbers, and more using a number line.
Instructional Video
Virtual Nerd

Virtual Nerd: How Do You Find a Rational Number Between Two Fractions?

9th - 10th Standards
This tutorial shows you how to find rational numbers between two rational numbers. [3:24]
Instructional Video
Other

Algebra2go: Classifying Real Numbers

9th - 10th Standards
In this video tutorial, Professor Perez uses a real number line to demonstrate integers, natural numbers, rational and irrational numbers, and whole numbers. [8:17]
Instructional Video
Khan Academy

Khan Academy: Number Sets: Number Sets 2

9th - 10th Standards
This video explains in which number sets in the real number system a specific repeating decimal belongs.
Instructional Video
Study Pug

Study Pug: Understanding the Number Systems

9th - 10th Standards
Numbers can be categorized more specifically into different number systems, for instances, natural numbers, whole numbers, integers, rational numbers, and irrational numbers. In this video, you will learn how to classify numbers into...
Instructional Video
Sophia Learning

Sophia: Multiplying Rationals: Lesson 4

9th - 10th Standards
This lesson demonstrates how to multiply rational numbers using algebraic notation. It is 4 of 6 in the series titled "Multiplying Rationals."
Instructional Video
Sophia Learning

Sophia: Multiplying Rationals: Lesson 5

9th - 10th Standards
This lesson demonstrates how to multiply rational numbers using algebraic notation. It is 5 of 6 in the series titled "Multiplying Rationals."
Instructional Video
Sophia Learning

Sophia: Multiplying Rationals: Lesson 1

9th - 10th Standards
This lesson demonstrates how to multiply rational numbers using algebraic notation. It is 1 of 6 in the series titled "Multiplying Rationals."
Instructional Video
Sophia Learning

Sophia: Representing Rational Numbers Using Variables: Lesson 7

9th - 10th Standards
This lesson demonstrates how to represent rational numbers using variables. It is 7 of 9 in the series titled "Representing Rational Numbers Using Variables."
Instructional Video
Sophia Learning

Sophia: Rational and Irrational Numbers

9th - 10th Standards
In this lesson, students will learn Rational and Irrational Numbers.