## 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)

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

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### Exponents and Radicals Unit Assessment Day 1 of 2

8th Grade Math » Unit: Exponents and Radicals
8th Grade Math » Unit: Exponents and Radicals
Bowling Green, KY
Environment: Suburban

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### 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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#### We can use our intuition and understanding of exponents and scientific notation to decipher the units in any system of measurement.

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

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#### Every number expands infinitely. The repeating digit may be zero, which means the number terminates, or another digit pattern.

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

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### 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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### What's Rational About That? Day 3

8th Grade Math » Unit: So What's Rational About That?
8th Grade Math » Unit: So What's Rational About That?
Oklahoma City, OK
Environment: Urban

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### What's Rational About That? Day 4

8th Grade Math » Unit: So What's Rational About That?
8th Grade Math » Unit: So What's Rational About That?
Oklahoma City, OK
Environment: Urban

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### What's Rational About That? Day 5

8th Grade Math » Unit: So What's Rational About That?
8th Grade Math » Unit: So What's Rational About That?
Oklahoma City, OK
Environment: Urban

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### 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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### 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