✨ Make Expanded Form Hands-On and Easy to Understand! ✨ Help your students master two-digit numbers and expanded form with this simple, interactive chart! Designed to slide right into dry-erase pocket sleeves, this resource lets students build, draw, and write numbers in a clear and engaging way. Students start by using base ten blocks to build a two-digit number during whole group instruction or small group practice. Then, they draw the tens and ones using dry erase markers directly on th