Understanding Decimal Notation and Number Comparisons
This section explains various ways to represent numbers and compare them effectively. The content covers decimal notation, periodic decimals, percentage notation, and fraction ordering.
Definition: A decimal number can be represented in three main forms: as a decimal fraction, as a common fraction, or as a percentage.
Example: The number 0.6 can be written as 6/10 commonfraction or 60% percentage.
Highlight: To convert a decimal to a fraction, the denominator must be extended to a power of ten, with the number of zeros matching the decimal places.
Vocabulary: Periodic decimals are numbers where digits repeat infinitely after the decimal point.
The page also covers comparing fractions with equal denominators, equal numerators, and unequal components, providing clear rules for each case.