Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems.  Numbers used are 100 or less.

Practice solving word problems with addition and subtraction.   These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown.  Numbers used are 100 or less.

Practice solving word problems with addition and subtraction.   These questions are start unknown problems including add to and take from problems.  Numbers used are 100 or less.

Practice solving problems like "___ - 45 = 27" where you have to figure out the missing value in an addition or subtraction equation.