Choose
a problem type (addition: +, subtraction : - , multiplication: X ,
division: /),
then select a level (1 to
9).
Click on the start button.
Nine problems will appear based
on the
selected level and numbers 1 to 9.
Type the answer to each problem
and press
the enter
key.
After the last problem has been
answered,
the answers will be graded.
Scoring is 10 points for each correct answer, plus the difference
between
your time and 30 seconds.
