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.


Jenna collected 57 seashells on her walk. Her friend Adam couldn't carry as many seashells in his pail, so he collected 16 fewer seashells than Jenna.
How many seashells did Adam collect?
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4