 | Many recognized colors and could rote count before age two. |
 | Most knew and said many words before 18 months. |
 | Many liked puzzles before age two. |
 | Sat still and attended to TV by 18 to 30 months. |
 | Real counting, most letters and colors by age three. |
 | Complex speaking and extensive vocabulary by age three. |
 | Recognized simple signs, own written name, and most knew alphabet by age four. |
 | Most did simple addition and subtraction by age four. |
 | Most showed interest in learning to read before age five. |
 | All read simple signs and most read beginner books by age six. |
 | Most were independent on computer and started to keyboard by age six. |
 | Most fully grasped counting and basic number facts by age six. |
 | All were reading and were two to three years beyond grade level by age seven. |
 | All could read chapter books independently by age seven to seven and a half. |
 | Many showing impatience with repetition and slow pace at school by age seven or eight. |