TABLE OF CONTENTS

Prealgebra aligned to CCSS-M Standards

Cluster - MA.8.CCSS.Math.Content.8.EE Expressions and Equations

Cluster - MA.8.CCSS.Math.Content.8.NS The Number System

8.NS.2 Use rational approximations of irrational numbers to compare the size of irrational numbers.

8.EE.8.c Analyze and solve linear equations and pairs of simultaneous linear equations: Solve real-world and mathematical problems leading to two linear equations in two variables.

8.NS.1 Know that numbers that are not rational are called irrational.

Student Resources

Irrational Numbers

Collection Contents


Supports the following Standards of Mathematical Practice • 2 Reason abstractly and quantitatively. • 7 Look for and make use of structure. • 8 Look for and express regularity in repeated reasoning. Chapter 3, Rational Numbers comes from the FHSST (Free High School Science Texts) Mathematics textbook. FHSST is a project that aims to provide free science and mathematics textbooks for Grades 10 to 12 science learners. The project was initiated by young South African scientists, and now brings together scientists from around the world who are willing to contribute to the writing of the books. Below is a complete Table of Contents for this chapter. This resource is part of the FHSST Mathematics collection. CONTENTS II GRADE 10 Chapter 3: Rational Numbers - Grade 10 3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.2 The Big Picture of Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.3 Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3.4 Forms of Rational Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3.5 Converting Terminating Decimals into Rational Numbers . . . . . . . . . . . . . 25 3.6 Converting Repeating Decimals into Rational Numbers . . . . . . . . . . . . . . 25 3.7 Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 3.8 End of Chapter Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
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A Khan Academy Interactive quizSupports the following Standards of Mathematical Practice• 2 Reason abstractly and quantitatively.• 7 Look for and make use of structure.• 8 Look for and express regularity in repeated reasoning.
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