This thirty-nine page math packet analyzes the common core second grade math standard 2.NBT.3 (Read and write numbers to 1,000 using base ten numerals, number names, and expanded form).
Six Lessons on Drawing Numbers as Base Ten Blocks
Twelve Lessons on Writing Numbers as Words
Six Lessons on Writing Numbers in Expanded Form
Six Lessons on Writing Numbers in Different Ways
Six Lessons on Balancing Equations
Thanks bunches, and enjoy! :)