Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Rational Numbers
A guide to support parents as they work with their students in rational numbers.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Rational Numbers
A guide to support parents as they work with their students in rational numbers.
PBS
Pbs Learning Media: Logical Leaps: Rational Numbers on the Number Line
In this interactive, use logic to solve riddles involving a wallaby jumping contest. Then, place each contestant's jump -- a fraction, mixed number, or decimal between -5 and +5 -- at the correct point on the number line. Backward jumps...
Better Lesson
Better Lesson: Review of Rational Numbers on the Number Line
Preparing for a test requires lots of practice and this review will help students show what they know about how to use a number line.
Better Lesson
Better Lesson: Rational Numbers on the Number Line Stations
The number line is a useful tool to use when ordering rational numbers.
Better Lesson
Better Lesson: Rational Numbers on the Number Line
The number line is a useful tool when ordering positive and negative rational numbers.
Other
Chili Math: How to Classify Real Numbers
Explains how to classify real numbers and provides numerous examples.
Other
Nearpod: Problem Solving: Rational Numbers
In this lesson on rational numbers, 7th graders will learn how to solve real-life problems involving rational numbers.
Other
Nearpod: Order of Operations
In this lesson on dividing fractions, 7th graders will learn how to use the order of operations to simplfiy problems.
Other
Nearpod: Irrational Numbers
In this instructional activity on irrational numbers, 8th graders explore how to identify and plot irrational numbers.
Other
Nearpod: Multiplying Positive & Negative Integers
In this lesson, 7th graders will learn how to multiply positive and negative integers and rational numbers.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rational and Irrational Number
Math Forum response to the size of the set of rational numbers. Responses investigate the countability of sets and basic set theory.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rational Numbers
Math Forum response addressing how many elements are in the set of rational numbers. Responses investigate the countability of sets, and how sets with an infinite number of elements can be counted and compared to other "infinite sets."
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rational / Irrational Numbers
Math Forum response providing methods to prove that between any two numbers there exist a rational and an irrational number.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Counting Rationals and Integer
Math Forum response providing a proof that there are as many rational numbers as integers.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Definitions of Rational, Irrational
Math Forum definition and explanation of rational and irrational numbers, the definitions of mathematics is also addressed.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: About Rational Numbers
Math Forum response giving a rather thorough overview of rational and irrational numbers, with a brief look at the history of these and other number sets.
University of Toronto (Canada)
University of Toronto: Rational Numbers
This site from the University of Toronto provides a look at rational numbers and properties of the rational number system.
Other
The Prime Glossary: Rational Numbers
This site gives a definition of what a rational number is. Gives examples and formulas. Very helpful.
Other
Interactive Real Analysis: Natural Numbers, Integers, Rationals
A rigorous definition of natural numbers, integers, and rationals numbers, using advanced mathematics language. Contains links to proofs.
Sophia Learning
Sophia: Multiplying Rationals: Lesson 2
This lesson demonstrates how to multiply rational numbers using algebraic notation. It is 2 of 6 in the series titled "Multiplying Rationals."
Sophia Learning
Sophia: Representing Rational Numbers Using Variables: Lesson 2
This lesson demonstrates how to represent rational numbers using variables. It is 2 of 9 in the series titled "Representing Rational Numbers Using Variables."
ClassFlow
Class Flow: Number Theory Order of Operations
[Free Registration/Login Required] This flipchart will help students understand the order of arithmetic operations with rational numbers. It includes exercises and assessment questions.
ClassFlow
Class Flow: Percentages
[Free Registration/Login Required] In this flipcharts, students use the interactive tools to solve various rational number problems involving percentages (e.g., percent increase/decrease, tax, commission, and discount).