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

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 ...

It's sometimes useful to give a value to a certain number, of significant figures. For example, 21.13467025 degrees might be rounded to 20 degrees, to 1 significant figure, or 21 degrees, to 2 ...