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.

Tasks

Identifying Rational Numbers
Converting Decimal Representations of Rational Numbers to Fraction Representations
Converting Repeating Decimals to Fractions
Repeating or Terminating?