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Lesson 8-6b

A Decimal That Never Repeats: the Irrational Numbers

Irrational numbers never repeat

Lesson knowledge40

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A Decimal That Never Repeats: the Irrational Numbers

0/ 50 min learning

Grounded in 8-6b

Learning goal

Explain that the irrational numbers are exactly the ones whose decimals never repeat, and decide whether a given number or decimal expansion is rational or irrational and say why.

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Lesson context

Learning goal

Explain that the irrational numbers are exactly the ones whose decimals never repeat, and decide whether a given number or decimal expansion is rational or irrational and say why.

Lesson knowledge

Grounded in 40 lesson sources

Difficulty

Relation modeling

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