The Concentration Grid

HOW TO: Click each number starting from 00 up to 99. Your time will automatically recorded and you can veiw it in your history. If you forget which number to look for the "Current Number" display will help you.

NOTE: Navigating away from this page will cancel your time

Clicking the start button will begin the timer.

14371928080604254850
16357339667591658758
43298398531794559231
09841276775211211893
57720399703801268900
36446156426397075168
59693079786288542381
74807115964532208682
64462713490502104733
24908560229540346741

Time:

CURRENT NUMBER:00

Congratulations!

You completed the concentration grid with a time of

Record this to chart your progress over time.

Continue To Practice