WorldTree Math Tutor
Copyright © 2011 JM Gustafson,
WorldTree Software
Type of problems
Addition
Subtraction
Multiplication
Division
Minimum value
Maximum value
Time limit (seconds)
(0 or blank for no limit)
Start
Cancel
Change Options
Time left:
0
+
0
Check answer
Skip this problem
That's correct!
Next problem
Sorry, wrong answer. Try again.
See the correct answer
Time ran out!
Next problem
Summary
Correct answers:
Wrong answers: