Texas Instruments
Texas Instruments: Estimating With Rational Numbers
In this activity, students will round fractions and mixed numbers, and then use their rounding skills to estimate sums, differences, products, and quotients.
Soft Schools
Soft Schools: Rational Numbers on the Number Line
Practice placing negative and positive numbers on a number line in this interactive self-correcting quiz.
Wolfram Research
Wolfram Math World: Rational Number
This site gives an overview of rational numbers, gives interesting facts about the rational numbers including countability and probability of a rational numbers denominator being even. The site also contains related links.
CK-12 Foundation
Ck 12: Arithmetic: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson students identify rational numbers as the ratio of two integers. Students examine guided notes, review guided practice, watch instructional videos and...
CK-12 Foundation
Ck 12: Arithmetic: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson students compare, classify, simplify, and order rational numbers. Students examine guided notes, review guided practice, watch instructional videos...
CK-12 Foundation
Ck 12: Arithmetic: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to simplify and order rational numbers. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Math Planet
Math Planet: Integers and Rational Numbers
Gain an understanding of integers and rational numbers by viewing an example and a video lesson.
Sophia Learning
Sophia: Dividing Rational Numbers
Determine how to divide rational numbers using the multiplicative inverse. Assess learning with a quiz.
Math Is Fun
Math Is Fun: Using Rational Numbers
This site offers simple examples for adding, subtracting, multiplying, and dividing rational numbers. It also provides examples of writing fractions in simplest form and as mixed numbers or improper fractions. Students can test their...
Math Open Reference
Math Open Reference: Rational Numbers
Learn about rational numbers with this helpful reference tool. Provides a detailed definition and examples that enhance further explanation. Includes links to related topics.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Rational Numbers and Square Ro
Math Forum response to which numbers, other than squared positive integers, can be simplified as rational numbers.
Khan Academy
Khan Academy: Adding & Subtracting Rational Numbers
Practice adding and subtracting negative fractions, decimals, and percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Multiplying Rational Numbers
Get independent practice multiplying rational numbers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Dividing Rational Numbers
Get independent practice dividing rational numbers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Solving Inequalities W/ Rational Numbers
Get independent practice solving inequalities with rational numbers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
Texas Education Agency
Texas Gateway: Selecting and Using Appropriate Forms of Rational Numbers
Given real-life problems, the student will select an appropriate method and solve problems involving proportional relationships.
Better Lesson
Better Lesson: Show What You Know About Integers and Rational Numbers
What do students understand? What gaps do they have in their understanding?
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Solving Equations W/ Rational Numbers
Get independent practice solving equations with rational numbers. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Solving Equations With Rational Numbers
This site gives a short interactive quiz which allows students to self-assess their understanding of the concept of solving equations with rational numbers.
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.
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."
Education Place
Houghton Mifflin: Eduplace: Lesson Plan: What Is It? Rational Numbers
This site is a great place for lesson information on the concept of rational numbers. Three other tabs are available besides the-What Is It? tab. They are Tips and Tricks, When Students Ask, and Lesson Ideas. Each tab has just the right...
PBS
Pbs Learning Media: The Number Line: Rational Numbers and Football
Students add and subtract plays on a football field to practice working with negative and positive integers on the number line.
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