Learn how to use standard form as a way of writing very large or very small numbers and how to complete standard form calculations.

Standard form, or standard index form, is a system of working with, and writing, very large or very small numbers. It is based on using powers of 10 to express how big or small a number is.

Practice time! Build, read, & write three-digit numbers using base-10 blocks and symbols. Practice time! Build, read, write (in standard and expanded form), and represent three-digit numbers using ...