Unit 2 Real Numbers System
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Key Vocabulary
Rational Number: are numbers that can be expressed as a ratio of two integers. (a fraction)
Irrational Number: A number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal
Rational Number: are numbers that can be expressed as a ratio of two integers. (a fraction)
Irrational Number: A number that cannot be expressed as a ratio of two integers or as a repeating or terminating decimal
Adding & Subtracting Rational Numbers
Homework due 10/28/15
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Homework due 11/2/15
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7.NS.1 - Understanding and identifying opposite quantities.
7.NS.1a -Understanding addition of rational numbers. |
7.NS.1c - Understanding subtraction of rational numbers.
7.NS.1d - Applying addition & subtractions to rational numbers. |
Extra Credit Assignment - due Monday: 11/2/15
Engageny Common Core Lesson Activities Video Tutor
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Video Tutor
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Multiplying & Dividing Rational Numbers
Homework due 11/4/15
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Integer Extra Credit Practice
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Lesson 1 - Squares & Square Roots:
- Squares, Square Roots, Perfect and Imperfect Squares Page with Practice Problems: http://www.mathsisfun.com/square-root.html
- Squares & Square Roots Lesson Video: http://www.youtube.com/watch?v=ROIfbUQrSY4
- Number Types Link: http://www.purplemath.com/modules/numtypes.htm
- Rational and Irrational Numbers Explanation: http://www.factmonster.com/ipka/A0876704.html
- Rational and Irrational Numbers Link with Examples: http://regentsprep.org/Regents/math/ALGEBRA/AOP1/Lrat.htm
Chapter 7 Part 1 Review Test
Grade 8 Part 1 Benchmark Test
Grade 8 Part 1 Benchmark Test
- 8NS.1 Know that numbers that are not rational are called irrational.
- Understand informally that every number has a decimal expansion; for rational numbers show that the decimal expansion repeats eventually, and convert a decimal expansion which repeats eventually into a rational number.
- 8.NS. 2 Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them approximately on a number line diagram, and estimate the value of expressions