Milestones
Social-Emotional
Environments
Play & Learning
100

This is the age when most infants begin to sit without support

6-9 months

100

Infants form this emotional bond with caregivers, shaping future relationships.

attachment

100

Children learn cultural values, language, and traditions through this process.

experiential play

100

This theory or practice supports children's symbolic play development using open-ended materials such as sticks, scraps of fabric, and other mis-matched items.

loose parts

200

Around age 2, children typically combine these to form simple phrases. 

words

200

Peer relationships become especially important during this developmental stage.

early adolescence

200

This primary environment has the strongest influence on early development.

family

200

This type of play, common in infants, involves exploring objects with hands and mouth.

exploratory or sensorimotor


300

This milestone, often reached between 9–15 months, marks a major shift in mobility and exploration.

first steps or walking

300

This term describes a teen’s exploration of values and sense of self.

identity formation

300

Teens are especially influenced by this social group, which can shape behaviour and identity.

peers

300

Teens learn best when activities connect to this.

personal interests and motivations

400

By early school age, children begin to understand this concept of others having different thoughts and feelings.

perspective

400

Toddlers often show this behaviour, not as defiance, but as a sign of emerging autonomy.

independence

400

Access to safe outdoor spaces primarily supports this type of development.

physical

400

Pretend play supports the development of this cognitive skill related to imagination.

symbolic thinking

500

Teens experience a burst of growth in this area responsible for planning, decision‑making, and impulse control.

brain

500

The ability to manage strong emotions and recover from stress is known as this key social‑emotional skill.

regulation

500

In ECE, we will often refer to the environment as this.  

the third teacher

500

Inquiry‑based learning encourages children to develop these two skills: asking questions and doing this.

investigating

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