These differentiated Spring math worksheets include 8 levels of addition and subtraction practice: addition and subtraction to 10, addition and subtraction to 18, 2 digit addition without regrouping, 2 digit addition with regrouping, 3 digit addition, 2 digit subtraction without regrouping, 2 digit subtraction with regrouping, and 3 digit subtraction. They include insect math activities, flower pot math, and a frog math puzzle. They are great for 1st grade, 2nd grade, or 3rd grade.