Here is a free activity for you that includes 3 worksheet for 3 different levels of students.
Level 1 is intended for PreK (approx 4 years old) through 1st graders.
Level 2 is intended for 2nd through 3rd graders.
Level 3 is intended for 4th through 5th graders (or middle school).
These are black and white and ready to just print and go.
Hope you and your students feel lucky too!