Letter perception - Version 7 Letter perception To access this game click on the Go arrow at bottom right. Notice the row of boxed numbers to the right Now look at the circled number in the middle of the rotating circle. Whatever that number is notice how many other examples of that same number are circling around it and enter that number by left clicking with your mouse on the number of your choice. You may also enter you choice of numbers from your computer keyboard or number lock activated computer keypad. If you have entered the right total, the circle will continue rotating in a clockwise direction. If you have made an incorrect entry, you will see the circle reverse direction and start moving in a counter-clockwise direction and you can try entering a different number. A correct selection makes or continues a clockwise