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What Makes Children Angry

Babies (0 to 18 months)
Are angry when they have a discomfort caused by hunger, loud noises, or tiredness.

They show it by crying.

Toddlers (18 to 36 months)

Can be easily angered because:

(a) they think they are the center of the world and can be frustrated when they cannot do or have what they want;
(b) it is difficult to share things;
(c) they have a strong notion of what belongs to them;
(d) they still don't know many words, can't speak well, and can be upset and angry because people don't understand them;
(e) have difficulty controlling their feelings.

They show anger with tantrums.

Preschoolers (3 to 5 years)
Are angry because they cannot yet control their emotions; are not yet good at using words when they are frustrated and angry; are learning how to share; have a hard time understanding that other people have different ideas.

They show anger with tantrums and aggression.

Children aged 6 to 8 years
Can be angry when they feel something is not fair; when they are rejected, punished, discriminated against, or misunderstood.

They show anger by hurting and bullying others and using words to cause harm.