Place Value in Very Large and Very Small Numbers (Parent Q&A)

This guide explains how place value gives meaning to digits in whole numbers and decimals, including numbers that are extremely large or very small. It connects the base-ten sequence with zero as a place holder, powers of ten, multiplication and division, standard form and calculator notation. It also clarifies common misunderstandings, such as the difference between a digit and its value and the meaning of a negative index.