The Five Types of Instructional Software

The five types of instructional software are Drill and Practice, Tutorial, Simulation, Instructional game, and Problem solving.  These are designed to assist or deliver instruction of a topic to the student.  
Drill and Practice software allows the learner to work problems or answer questions and get feeback on correctness. 
             www.chem1.com/chemed/insoft.shtml
            www.slideshare.net/.../drill-and-practice-instructional-software

Tutorial software provides information and instuction activies to help the learner master the concept, including summaries, explanations, practice routines, feedback and even assessments.               
            www.phonicstutor.com
            www.highergrades.com/physics-tutorials.html

Simulation software are interactive and model how things work or provide demonstrations. 
            www.explorelearning.com/      (good one for math and science)
            cse.edc.org/products/simulations/catalog.asp

Instructional game software increases motivation with games rules being added to drills and demonstrations.
            www.learningtoday.com
            www.learn4good.com/games/for-high-school-students.htmCached

Problem solving software provides direct teaching of the steps involving solving problems and helps students with problem solving skills. 
            www.carnegielearning.com
            http://ceressoft.org/