Here is a fun activity that involves counting, word problems, and practicing writing numbers.
Common Core - K.CC.3. Write numbers from 0 to 20. Represent a number of objects with a written numeral 0-20 (with 0 representing a count of no objects).
Common Core - 1.NBT.1. Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
Common Core - 2.NBT.3. Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.