Developmental milestones presented may cite varying ages when each milestone is achieved, depending on the source you are using. Your task is to understand development begins with simple tasks, and as the child ages, he/she is able to integrate more complex skills. You will also have to memorize the ages at which these milestones are achieved to be able to make clinical decisions as applicable.
| Age in months | Gross Motor | Fine Motor | Language | Social-Emotional | Handout [PDF] |
| 2 | Head up 45 degrees when lying in a prone position | Follow past midline | Laugh | Smile spontaneously | |
| 4 | Rollover | Grasp rattle | Turn to rattling sound | Regard own hand | |
| 6 | Sit with no support | Look for dropped object | Turn to voice | Feed self | |
| 9 | Dada/Mama nonspecific | Wave bye-bye | |||
| 12 | Stand alone | Put the block in a cup | 1 word | Imitate activities | |
| 15 | Walk backward | Scribble | 3 word | Drink from cup | N/A |
| 18 | Walkup steps Run | Tower of 2 cubes | 6 words
Point to at least 1 body part |
Remove garment | |
| 24 | Throwball overhand, Jump up | Tower of 6 cubes | Name 1 picture
Combine words |
Put on clothing | |
| 30 | Throwball overhand | Tower of 8 cubes | Speech half understandable
Know 2 actions |
Wash and dry hands | N/A |
| 36 | Balance on each foot for 1 second | Thumb wiggle | Speech all understandable
Name 1 color Know 2 adjectives |
Name friend | |
| 48 | Hop | Draw a person with 3 parts | Define 5 words
Name 4 colors |
Copy a cross (+) | |
| 60 |
