Khan Academy
Khan Academy: Multi Step Estimation Word Problems
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Challenging Add and Subtract Word Problems (Within 100)
Practice solving more challenging addition and subtraction word problems with "more" and "fewer". Multi-step problems are also included. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try...