Linked from
The 14 pages that link to Place value, each with the reason it gives.
Scientific notationRelated: Moving the decimal point changes place values by powers of ten.
Decimal systemRelated: Each position in a decimal numeral represents a different power of ten.
Powers of tenRelated: Each decimal position corresponds to a different power of ten.
SubtractionRelated: Regrouping depends on exchanging units between place-value positions.
HexadecimalRelated: A hexadecimal digit’s value scales by powers of 16 across positions.
Maya numeralsRelated: It explains why the same Maya digit has different values at different heights.
PercentageRelated: The base-ten system makes hundredths easy to write as percentages.
DigitRelated: Place value explains how the same digit can represent different amounts.
BaseRelated: In base b, each position represents a power of b.
Numerical digitRelated: A digit’s position gives it a multiplier based on the system’s base.