Help your students conquer common core by understanding that the three digits of a three-digit number represent amounts of hundreds, tens, and ones. Each worksheet builds on the worksheet prior. These worksheets are great for morning work, seat work, math centers, math stations, homework, or extra practice. Second Grade Conquer The Core 2.NBT.1 Worksheet Packet 2-Weeks M-F + Quiz This packet requires absolutely NO PREP. Just print and go!This resource includes:Week 1- 5 worksheets (Monday-Frida