6 months

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​Social/Emotional Milestones

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• Knows familiar people

• Likes to look at self in a mirror

• Laughs Language/Communication Milestones

• Takes turns making sounds with you 

• Blows “raspberries” (sticks tongue out and blows) 

• Makes squealing noises 

Cognitive Milestones (learning, thinking, problem-solving)

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• Puts things in her mouth to explore them

• Reaches to grab a toy she wants

• Closes lips to show she doesn’t want more food 

Movement/Physical Development Milestones

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• Rolls from tummy to back 

• Pushes up with straight arms when on tummy

• Leans on hands to support herself when sitting

9 months

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Social/Emotional Milestones

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• Is shy, clingy, or fearful around strangers 

• Shows several facial expressions, like happy, sad, angry, and surprised

• Looks when you call her name 

• Reacts when you leave (looks, reaches for you, or cries) 

• Smiles or laughs when you play peek-a-boo

Language/Communication Milestones

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• Makes a lot of different sounds like “mamamama” and “dadadada” 

• Lifts arms up to be picked up 

Cognitive Milestones (learning, thinking, problem-solving)

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• Looks for objects when dropped out of sight (like his spoon or toy) 

• Bangs two things together 

Movement/Physical Development Milestones

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• Gets to a sitting position by herself 

• Moves things from one hand to her other hand

• Uses fingers to “rake” food towards himself 

• Sits without support

12 months

Social/Emotional Milestones

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• Plays games with you, like pat-a-cake 

Language/Communication Milestones

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• Waves “bye-bye” 

• Calls a parent “mama” or “dada” or another special name 

• Understands “no” (pauses briefly or stops when you say it) 

Cognitive Milestones (learning, thinking, problem-solving)

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• Puts something in a container, like a block in a cup 

• Looks for things he sees you hide, like a toy under a blanket 

Movement/Physical Development Milestones

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• Pulls up to stand

• Walks, holding on to furniture 

• Drinks from a cup without a lid, as you hold it 

• Picks things up between thumb and pointer finger, like small bits of food