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McGraw Hill

Glencoe: Self Check Quizzes 3 the Real Number System

For Students 9th - 10th Standards
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of the Real Number System. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
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McGraw Hill

Glencoe Mathematics: Online Study Tools: The Real Number System

For Students 9th - 10th Standards
This site gives a short interactive quiz which allows students to self-assess their understanding of the real number system.
Handout
Help Algebra

Help algebra.com: The Real Number System

For Students 9th - 10th Standards
Natural numbers, whole numbers, integers and rational numbers begin this lesson on the real number system. You can also learn more about the number line and absolute value. Examples and diagrams are included to enhance understanding.
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Other

The Real Number System

For Students 9th - 10th
The subsets of the real number system are organized in an easy-to-read table. Use the questions at the bottom of the page as an assignment to check for understanding.
Lesson Plan
Alabama Learning Exchange

Alex: The Real Number System

For Teachers 6th - 8th Standards
This lesson plan focuses on a clear understanding of the real number system by using a variety of teaching strategies. A graphic organizer on a slideshow illustrates how the classifications of numbers relate. A kinesthetic activity helps...
Activity
Lawrence Hall of Science

The Math Page: Topics in Pre Calculus: Rational and Irrational Numbers

For Students 9th - 10th Standards
Here is a site that clearly and thoroughly explains rational and irrational numbers as subsets of the real number system. There are example problems solved, problems for the student to attempt, and answers to the student problems. Point...
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Common Core Sheets

Common Core Sheets: The Number System 7.ns.2b Worksheets

For Teachers 7th
Worksheets provide practice with the number system and answer keys are provided. You can even create your own worksheet or flashcards.
Activity
Texas Instruments

Texas Instruments: Number Sets

For Teachers 9th - 10th
When you start this activity, students receive a Venn diagram of real number sets (natural, whole, integer, rational, irrational)on their calculator. This same diagram is projected on the Activity Center screen at the front of the room....
Handout
Varsity Tutors

Varsity Tutors: Hotmath: Algebra Review: Real Number System

For Students 9th - 10th Standards
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.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Properties of Real Numbers

For Students 9th - 10th
This chart gives the definition of each Real Number Property with an example excellent for reference or review. Site by Oswego City School District.
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Number Base Clocks

For Teachers 3rd - 8th
Introduces students to the concept of base ten and how to use other base number systems.
Activity
Texas Instruments

Texas Instruments: Linear Systems: Using Graphs and Tables

For Teachers 9th - 10th Standards
Students learn to locate the real number solution of a system of linear equations (two equations and two variables) with the help of tables and graphs. They also learn to graphically illustrate the types of solutions expected for a...
Website
Other

Webquest: A Creative Encounter of the Numerical Kind

For Students 6th - 8th
Students research the history behind number systems and create their own systems in the role of a mathematics expert sent to help an imaginary society. A fun way to learn the importance of number systems.
Handout
Other

Mrao: Imaginary Numbers Are Not Real

For Students 9th - 10th Standards
This site presents a tutorial introduction to the ideas of geometric algebra. Gives an outline of geometric algebra and discusses the geometric product, imaginary numbers, and more.
Website
Lawrence Hall of Science

The Math Page: Skill in Algebra: Signed Numbers

For Students 9th - 10th Standards
This resource explains positive and negative numbers. There are example problems solved, problems for the student to attempt, and answers to the student problems.
Unit Plan
Mangahigh

Mangahigh: Number: Leave Answers as Radicals

For Students 9th - 10th
This site provides students practice with the concept of radicals. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Handout
Math Is Fun

Math Is Fun: The Evolution of Numbers

For Students 9th - 10th Standards
Discusses what numbers are and how our understanding of them has evolved over thousands of years, from simple counting to negative numbers and irrational numbers, for example. Includes a set of practice questions where students identify...
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Common Core Sheets

Common Core Sheets: The Number System 7.ns.1a Worksheets

For Teachers 7th
Create a instructional activity to assess students understanding of adding and subtracting with negative and positive numbers.
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Common Core Sheets

Common Core Sheets: The Number System 8.ns.1 Worksheets

For Teachers 8th Standards
Print or create worksheets to assess students' understanding of rational and irrational numbers.
Lesson Plan
Sophia Learning

Sophia: Urban Models in the Real World

For Teachers 9th - 10th
By using Google Earth and city road maps, students will compare the layout of their city to one of the three North American urban models and see which one is the best fit.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Sums of Integers With the Same Sign

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] In this lesson students find the sum of integers with the same sign. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Activity
Texas Instruments

Texas Instruments: Numb3 Rs of the I Ching

For Teachers 9th - 10th
This activity was developed to be used in conjunction with the NUMB3RS episode "Undercurrent," in which a victim is found with a Chinese hexagram tattoo. Students will learn about trigrams and hexagrams, Chinese characters made from...
Activity
Texas Instruments

Texas Instruments: Solving Systems With Quadratic Equations: Systems of Conics

For Teachers 9th - 10th Standards
In this activity, students will plot the graphs of systems of equations and determine the number of real solutions of the system. Then find the solution of the system algebraically.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Some Properties of Real Numbers

For Students 9th - 10th Standards
Eighteen problems cover a variety of topics using some of the properties of real numbers. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...