Add & Sub
1
2
3
Min Value
Max Value
Rows to Calc (Numbers per sum)
Next Step
Flash Speed (Sec)
Total Questions
Total Time Limit (Sec)
Back
Next Step
Continuous Mode (Mental Math)
Auto Next Question
Wait Time Before Next (Sec):
Back
START PRACTICE
60.0s
Right:
0
Wrong:
0
Ready
What was the total?
CHECK ANSWER
NEXT QUESTION >>
STOP AUTO
RESTART