A
Primary teeth begin to fall out
About age 6
Turns bottle over and dumps out content
12-14 months
Very superior
> 130 , fast working memory and problem solving
Kicks a stationary ball using opposing arm/leg movement, SLS 3-5 seconds, walks on tip toes for 5 steps
By 36 months/3 years
Stacks 4-6 cubes, draws a vertical line
19-24 months
Draws a cross, unbuttons 3 buttons, cuts paper into 2 pieces
37-42 months
Can count backwards, knows the date
Age 8-9 years
Severe cognitive delay, immobility/restricted mobility, incontinence, requiring full support
Profound: < 20
Kicks stationary ball >3 ft with less than 20 degrees deviation to the side
By 24 months
Smooth running pattern with reciprocal UE swing. Able to stop on command
By 48 months/ 4 years
Draws a square, cuts out a circle, touches each finger to thumb
49-54 months
Moves rattle through 90 degree arc
6-8 months
85-115
Walks well without "high guard", runs stiff legged >10 ft
by 18 months
SLS > 10 seconds, gallop 10 ft, jump and turn 180 degrees
By 60 months/5 years
Stacks 8-10 cubes, removes screw on lid from bottle, strings 2-4 beads
25-30 months
Mean age for toilet training
28.5 months
Slow comprehension, supervision for self care
Moderate IQ classification
Jumps forward 4" ad jumps down from small 7" step
by 24 months
Stacks 2-3 cubes
15-18 months
Folds paper in half 2x (edges parallel)
61-72+ months
Emotions are more intense; desire for emotional intensity (thrill seeking, risk taking, and supercharged car with unskilled driver)
Adolescence: puberty-18
50-70
Mild: effective communication/literacy skills/independent self care/maintain relationships and jobs
SLS > 5 seconds w/out significant trunk sway, walk a taped line forward 8 ft, jump forward on one leg 6", hope 5 times on one leg
By 48 months/4 years
Conservation of height, weight, and volume
Age 7-11