1. Why do we break numbers into tens and ones? Choose a two-digit number and explain how partitioning it helps you understand ...

1. Where can you find numbers in your everyday environment? Look around your classroom or home and point out five places ...

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 ...