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.

13 Lesson(s)

Irrational (and Other!) Numbers on the Number Line

Algebra I » Unit: The Number Line Project
Algebra I » Unit: The Number Line Project
Worcester, MA
Environment: Urban

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Favorites (40)

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Exponents and Radicals Unit Assessment Day 1 of 2

Bowling Green, KY
Environment: Suburban

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Resources (9)

Units and Vast Systems of Measurement

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
New York, NY
Environment: Urban

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Favorites (4)

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Rational or Irrational (Day 1 of 2)

8th Grade Math » Unit: Number Sense
8th Grade Math » Unit: Number Sense
Orlando, FL
Environment: Urban

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Reflections (1)

Rational or Irrational (Day 2 of 2)

8th Grade Math » Unit: Number Sense
8th Grade Math » Unit: Number Sense
Orlando, FL
Environment: Urban

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Reflections (1)

Day Four & Five

8th Grade Math » Unit: Welcome Back!
8th Grade Math » Unit: Welcome Back!
Oklahoma City, OK
Environment: Urban

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Operation Rational Irrational Numbers

8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
8th Grade Math » Unit: Relationships between Quantities/Reasoning with Equations
Orlando, FL
Environment: Urban

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Round Robin Review (Unit 1)

8th Grade Math » Unit: Number Sense
8th Grade Math » Unit: Number Sense
Orlando, FL
Environment: Urban

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Reflections (1)

What's Rational About That? Day 3

Oklahoma City, OK
Environment: Urban

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Resources (11)

Reflections (1)

What's Rational About That? Day 4

Oklahoma City, OK
Environment: Urban

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Reflections (1)

What's Rational About That? Day 5

Oklahoma City, OK
Environment: Urban

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Reflections (1)

Formative Assessment: Scientific Notation

8th Grade Math » Unit: How Big? How Small?
8th Grade Math » Unit: How Big? How Small?
Oklahoma City, OK
Environment: Urban

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Resources (9)

Reflections (1)

Adding and Subtracting in Scientific Notation

8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
8th Grade Math » Unit: Scale of the Universe: Fluency and Applications
New York, NY
Environment: Urban

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Common Core Math