Hesperian Health Guides
Appendix C: Child Development Charts
How to use these child development charts
Children develop in several main areas: physical (the body), mental (the mind), communication (signing or talking), and social (relating to other people). Any one action a child does often includes a skill from each area.
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For example, when a child reaches his arms up to be held, he is using a:
- physical skill—he holds up his arms
- mental skill—he recognizes you
- communication skill—he tells you what he wants
- social skill—he enjoys being held by you
The charts in this appendix show some of the skills children learn and the age at which most children learn them. You can use the charts to get general information about how children develop and to help you decide what skills your child needs to learn.

How to know what skills your child needs to learn
Find the chart for the age group closest to your child’s age. On the chart, circle the skills your child has. You may find your child does not have some skills that other children his age have. Knowing this can help you decide which activities you want to work on with your child.

In the chart above, a mother has circled the skills her 20-month-old daughter can do. Her child needs help to gain skills in each area, but most of all she needs help in the communication area and in the mental area. For a child this young, the family should be working on basic communication (Chapter 4) and beginning to introduce language.
For an older child, you can start by looking at the chart that is nearest his age. But you may have to look at the charts for younger children to see the skills the child can do. Other charts will give you an idea of the kinds of skills your child will need to learn before he can work on learning skills like the ones on the chart nearest his age.
If your child cannot hear well, it is likely that he needs extra help to develop his communication, mental, and social skills. Chapter 2 and Chapter 3 will be helpful because they explain how children learn language and give some general tips for how to work with young children. Because children’s mental skills grow together with their communication skills, the activities in Chapters 4, 7, 8, and 9 will help a child increase both his communication and mental development. Chapter 10, on social skills, suggests many ways you can help a child develop his social interactions.
Each part of this circle shows a different area of development. The pictures and words are examples of skills that many babies have when they are 3 months old.
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familiar voices
or faces
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sudden sounds or movements
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comforted by
voice or touch
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played with
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
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Babies who are deaf or cannot hear well will benefit from activities that help them develop in all of the skills in each area. The pictures are only examples of skills. In this example, look at the "Communication" part of the circle: You do not have to play the flute! The question to ask yourself is if your baby reacts to a sudden sound or movement.
Keep in mind that the goal is for your baby to do the activities that other babies the same age do in your community.
Each part of this circle shows a different area of development. The pictures and words are examples of skills that many babies have when they are 6 months old.
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sounds or gestures
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in mouth
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
in objects
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with
strangers
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and from back to stomach
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support
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arms and legs
Babies who are deaf or cannot hear well will benefit from activities that help them develop in all of the skills in each area. The pictures are only examples of skills. In this example, look at the "Physical" part of the circle: Your baby does not have to play with a rattle. The question to ask yourself is if your baby wiggles and kicks.
Keep in mind that the goal is for your baby to do the activities that other babies the same age do in your community.
Each part of this circle shows a different area of development. The pictures and words are examples of skills that many babies have when they are 12 months old.
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words or signs
to me.
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
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by joining sounds
together, or
repeats hand
shapes
words or signs
ga-ga
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out of sight
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understand cause
and effect
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social games
like peek-a-boo
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standing
position
Babies who are deaf or cannot hear well will benefit from activities that help them develop in all of the skills in each area. The pictures are only examples of skills. In this example, look at the "Social" part of the circle: You do not have to play peek-a-boo with your baby. The question to ask yourself is if your baby enjoys social games.
Keep in mind that the goal is for your baby to do the activities that other babies the same age do in your community.
Each part of this circle shows a different area of development. The pictures and words are examples of skills that many children have when they are 2 years old.
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with 2 and 3
words or signs
ball.
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simple
words
or signs
200 words
or signs

objects

each other
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activities for
longer times
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other children
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
when she
needs help

objects
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Children who are deaf or cannot hear well will benefit from activities that help them develop in all of the skills in each area. The pictures are only examples of skills. In this example, look at the "Mental" part of the circle: Your child does not have to be able to play a drum. The question to ask yourself is if your child uses 2 objects together.
Keep in mind that the goal is for your child to do the activities that other children the same age do in your community.
Each part of this circle shows a different area of development. The pictures and words are examples of skills that many children have when they are 3 years old.
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
biscuit?
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clearly
with papa
simple language
500 to 1000
words or signs
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matching holes or
spaces
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objects
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doing simple tasks
for helping
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around the house
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feelings
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jumps,
climbs
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more complex tasks
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a ball
Children who are deaf or cannot hear well will benefit from activities that help them develop in all of the skills in each area. The pictures are only examples of skills. In this example, look at the "Social" part of the circle: Your child does not have to sweep the floor. The question to ask yourself is if your child enjoys helping work with the family.
Keep in mind that the goal is for your child to do the activities that other children the same age do in your community.
Each part of this circle shows a different area of development. The pictures and words are examples of skills that many children have when they are 5 years old.
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the water.
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questions
there?
What are
they doing?
about what
he has done
2000 words
or signs
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directions
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simple
puzzles
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counting
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children
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I'm sorry.
many
feelings

shapes
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backwards
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one foot
Children who are deaf or cannot hear well will benefit from activities that help them develop in all of the skills in each area. The pictures are only examples of skills. In this example, look at the "Social" part of the circle: Your child does not have to be paying attention to a teacher. The question to ask yourself is if your child understands rules like other children do.
Keep in mind that the goal is for your child to do the activities that other children the same age do in your community. same age do in your community.