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Irrational Numbers

Identifying a number as rational or irrational. Classifying a number as a terminating or non-terminating decimal number by understanding the denominator of its equivalent rational number.

Mapped to CCSS Section# 7.NS.A.2d, 8.NS.A.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. Convert a rational number to a decimal using long division; know that the decimal form of a rational number terminates in 0s or eventually repeats.
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