Cooperates with dressing, waves goodbye, understands simple commands
18 months
Can walk alone. Picks up toy without falling over. Gets up/down stairs holding onto rail. Begins to jump with both feet. Can build a tower of 3 or 4 cubes and throw a ball
'Jargon'. Many intelligible words
Demands constant mothering. Drinks from a cup with both hands. Feeds self with a spoon
2 years
Able to run. Walks up and down stairs 2 feet per step. Builds tower of 6 cubes
Head circumference increases approximately 2 cm per month until two months, then increases 1.5 cm per month until four months. Increases are an important indication of continued brain growth.
Swallowing reflex and tongue movements are still immature; continued drooling and inability to move food to the back of the mouth.
Grasp reflex gradually disappears.
Landau reflex appears near the middle of this period; when baby is held in a prone (face down) position, the head is held upright and legs are fully extended.
Grasps with entire hand; strength insufficient to hold items. Holds hands in an open or semi-open position.
Muscle strength and control improving; early movements are large and jerky; gradually become smoother and more purposeful.
Raises head and upper body on arms when in a prone position.
Turns head side to side when in a supine (face up) position; near the end of this period can hold head up and in line with the body.
Upper body parts are more active: clasps hands above face, waves arms about, reaches for objects.
Puts on 500 g per month in weight, doubling birth weight
Grows about 1.3 cm in length per month; average length is 70 cm to 75 cm.
Head and chest circumferences are basically equal.
Head circumference increases approximately 1 cm per month until six to seven months, then 0.5 cm per month; head circumference should continue to increase steadily, indicating healthy, ongoing brain growth.
Breathing is abdominal; ranges from twenty-five to fifty breaths per minute, depending on activity; rate and patterns vary from infant to infant.
Teeth begin to appear, with upper and lower incisors coming in first. Gums may become red and swollen, accompanied by increased drooling, chewing, biting, and mouthing of objects.
Legs may appear bowed; bowing gradually disappears as infant grows older.
Fat rolls ("Baby Fat") appear on thighs, upper arms and neck.
When lowered suddenly, infant throws out arms as a protective measure.
Swallowing reflex appears and allows infant to move solid foods from front of mouth to the back for swallowing.
Picks up objects using finger and thumb (pincer grip).
Reaches for objects with both arms simultaneously; later reaches with one hand or the other.
Transfers objects from one hand to the other; grasps object using entire hand (palmar grasp).
Handles, shakes, and pounds objects; puts everything in mouth.
Able to hold bottle.
Sits alone without support, holding head erect, back straightened, and arms propped forward for support
Pulls self into a crawling position by raising up on arms and drawing knees up beneath the body; rocks back and forth, but generally does not move forward.
Lifts head when placed on back.
Can roll over from back or stomach position.
May accidentally begin scooting backwards when placed on stomach; soon will begin to crawl forward.
Infants reach approximately 1.5 times their birth length by first birthday
Weight increases by approximately 500 g per month; birth weight nearly triples by one year of age: infants weigh an average of 9.6 kg.
Respiration rates vary with activity: typically, twenty to forty-five breaths per minute.
Body temperature ranges from 35.7 °C to 37.5 °C (96.4 °F to 99.6 °F); environmental conditions, weather, activity, and clothing still affect variations in temperature.
Head and chest circumference remain equal.
Continues to use abdominal muscles for breathing.
Anterior fontanel begins to close.
Approximately four upper and four lower incisors and two lower molars erupt.
Arm and hands are more developed than feet and legs (cephalocaudal development); hands appear large in proportion to other body parts.
Legs may continue to appear bowed.
"Baby Fat" continues to appear on thighs, upper arms and neck.
Feet appear flat as arch has not yet fully developed.
Height increases approximately 5 cm to 8 cm with an average height of 80 cm to 90 cm.
Weighs 9 kg 13 kg; gains 130 g to 250 g per month; weight is now approximately 3 times the child's birth weight.
Respiration rate is typically twenty-two to thirty breaths per minute; varies with emotional state and activity.
Heart rate (pulse) is approximately 80 to 110 per minute.
Head size increases slowly; grows approximately 1.3 cm every six months; anterior fontanelle is nearly closed at eighteen months as bones of the skull thicken.
Chest circumference is larger than head circumference.
Rapid eruption of teeth; six to ten new teeth will appear.
Legs may still appear bowed.
Toddler will begin to lose the "Baby Fat" once he/she begins walking.
Body shape changes; takes on more adult-like appearance; still appears top-heavy; abdomen protrudes, back is swayed.
Stands alone with feet spread apart, legs stiffened, and arms extended for support.
Gets to feet unaided.
Most children walk unassisted near the end of this period; falls often; not always able to maneuver around obstacles, such as furniture or toys.
Uses furniture to lower self to floor; collapses backwards into a sitting position or falls forward on hands and then sits.
Enjoys pushing or pulling toys while walking.
Repeatedly picks up objects and throws them; direction becomes more deliberate.
Attempts to run; has difficulty stopping and usually just drops to the floor.
Crawls up stairs on all fours; goes down stairs in same position.
Sits in a small chair.
Carries toys from place to place.
Enjoys crayons and markers for scribbling; uses whole-arm movement.
Helps feed self; enjoys holding spoon (often upside down) and drinking from a glass or cup; not always accurate in getting utensils into mouth; frequent spills should be expected.
Early in this period, the child always searches in the same location for a hidden object (if the child has watched the hiding of an object). Later, the child will search in several locations.
Passes toy to other hand when offered a second object (referred to as "crossing the midline"-an important neurological development).
Manages three to four objects by setting an object aside (on lap or floor) when presented with a new toy.
Demonstrates understanding of functional relationships (objects that belong together): Puts spoon in bowl and then uses spoon as if eating; places teacup on saucer and sips from cup; tries to make doll stand up.
Shows or offers toy to another person to look at.
Names many everyday objects.
Shows increasing understanding of spatial and form discrimination: puts all pegs in a pegboard; places three geometric shapes in large formboard or puzzle.
Places several small items (blocks, clothespins, cereal pieces) in a container or bottle and then dumps them out.
Tries to make mechanical objects work after watching someone else do so.
Produces considerable "jargon": puts words and sounds together into speech-like (inflected) patterns.
Holophrastic speech: uses one word to convey an entire thought; meaning depends on the inflection ("me" may be used to request more cookies or a desire to feed self). Later; produces two-word phrases to express a complete thought (telegraphic speech): "More cookie," "Daddy bye-bye."
Follows simple directions, "Give Daddy the cup."
When asked, will point to familiar persons, animals, and toys.
Identifies three body parts if someone names them: "Show me your nose (toe, ear)."
Indicates a few desired objects and activities by name: "Bye-bye," "cookie"; verbal request is often accompanied by an insistent gesture.
Responds to simple questions with "yes" or "no" and appropriate head movement.
Speech is 25 to 50 percent intelligible during this period.
Locates familiar objects on request (if child knows location of objects).
Acquires and uses five to fifty words; typically these are words that refer to animals, food, and toys.
Uses gestures, such as pointing or pulling, to direct adult attention.
Enjoys rhymes and songs; tries to join in.
Seems aware of reciprocal (back and forth) aspects of conversational exchanges; some turn-taking in other kinds of vocal exchanges, such as making and imitating sounds.
Usually friendly toward others; less wary of strangers.
Helps pick up and put away toys.
Plays by themselves for short periods
Enjoys being held and read to.
Often imitates adult actions in play.
Enjoys adult attention; likes to know that an adult is near; gives hugs and kisses.
Recognizes self in mirror.
Enjoys the companionship of other children, but does not play cooperatively.
Beginning to assert independence; often refuses to cooperate with daily routines that once were enjoyable; resists getting dressed, putting on shoes, eating, taking a bath; wants to try doing things without help.
May have a tantrum when things go wrong or if overly tired or frustrated.
Exceedingly curious about people and surroundings; toddlers need to be watched carefully to prevent them from getting into unsafe situations.
(J. Chasse, 2008)
Psychosocial stimulation is vital during the toddler years. Play begins to become interactive.
Toddlers begin to learn and exhibit independence, but ironically they enjoy sharing this discovery with others.
Another important advancement is active social play with adults including mirroring and repeating. Songs, rhymes, and finger plays (eg. itsy bitsy spider, little teapot, etc.) are a great way to encourage and stimulate this area of development.
Climbs stairs unassisted (but not with alternating feet).
Balances on one foot (for a few moments), jumps up and down, but may fall.
Often achieves toilet training during this year (depending on child's physical and neurological development) although accidents should still be expected; the child will indicate readiness for toilet training.
Throws large ball underhand without losing balance. Holds cup or glass (be sure it is unbreakable) in one hand. Unbuttons large buttons; unzips large zippers.
Opens doors by turning doorknobs.
Grasps large crayon with fist; scribbles enthusiastically on large paper.
Climbs up on chair, turns around and sits down.
Enjoys pouring and filling activities-sand, water, styrofoam peanuts.
Eye-hand movements better coordinated; can put objects together, take them apart; fit large pegs into pegboard.
Begins to use objects for purposes other than intended (may push a block around as a boat).
Does simple classification tasks based on one dimension (separates toy dinosaurs from toy cars).
Stares for long moments; seems fascinated by, or engrossed in, figuring out a situation: where the tennis ball has rolled, where the dog has gone, what has caused a particular noise.
Attends to self-selected activities for longer periods of time. Discovering cause and effect: squeezing the cat makes her scratch.
Knows where familiar persons should be; notes their absence; finds a hidden object by looking in last hiding place first.
Names objects in picture books; may pretend to pick something off the page and taste or smell it.
Shows signs of empathy and caring: comforts another child if hurt or frightened; appears to sometimes be overly affectionate in offering hugs and kisses to children
Continues to use physical aggression if frustrated or angry (for some children, this is more exaggerated than for others); Physical aggression usually lessens as verbal skills improve.
Temper tantrums likely to peak during this year; cannot be reasoned with while tantrum is in progress.
Impatient; finds it difficult to wait or take turns.
Enjoys "helping" with household chores; imitates everyday activities: may try to toilet a stuffed animal, feed a doll.
"Bossy" with parents and caregivers; orders them around, makes demands, expects immediate compliance from adults.
Watches and imitates the play of other children, but seldom joins in; content to play alone.
Offers toys to other children, but is usually possessive of playthings; still tends to hoard toys.
Making choices is difficult; wants it both ways.
Often defiant; shouting "no" becomes automatic.
Ritualistic; wants everything "just so"; routines carried out exactly as before; belongings placed "where they belong."
Gains approximately 1.8-2.3kg per year, weighs an average of 14.5kg to 114cm
Grows 5com-6.5cm in height per year; is approximately 101.6- 114cms tall
Heart rate averages 90 to 110 bpm
Respiratory rate ranges from twenty to thirty, varying with activity and emotional state.
Body temperature ranges from 36.6-37.4°C.
Head circumference is usually not measured after age three.
Requires approximately 1,700 calories daily.
Hearing acuity can be assessed by child's correct usage of sounds and *Language also, by the child's appropriate responses to questions and instructions.
Produces elaborate sentence structures: "The cat ran under the house before I could see what color it was."
Speech is almost entirely intelligible.
Begins to correctly use the past tense of verbs: "Mommy closed the door," "Daddy went to work."
Refers to activities, events, objects, and people that are not present.
Changes tone of voice and sentence structure to adapt to listener's level of under-standing: To baby brother, "Milk gone?" To Mother, "Did the baby drink all of his milk?"
States first and last name, gender, siblings' names, and sometimes own telephone number.
Answers appropriately when asked what to do if tired, cold, or hungry. Recites and sings simple songs and rhymes.
Moods change rapidly and unpredictably; laughing one minute, crying the next; may throw tantrum over minor frustrations (a block structure that will not balance); sulk over being left out.
Imaginary playmates or companions are common; holds conversations and shares strong emotions with this invisible friend.
Boasts, exaggerates, and "bends" the truth with made-up stories or claims of boldness; tests the limits with "bathroom" talk.
Cooperates with others; participates in group activities.
Shows pride in accomplishments; seeks frequent adult approval.
Often appears selfish; not always able to take turns or to understand taking turns under some conditions; tattles on other children.
Insists on trying to do things independently, but may get so frustrated as to verge on tantrums when problems arise: paint that drips, paper airplane that will not fold right.
Enjoys role-playing and make-believe activities.
Relies (most of the time) on verbal rather than Physical aggression; may yell angrily rather than hit to make a point; threatens: "You can't come to my birthday party"
Name-calling and taunting are often used as ways of excluding other children.
Establishes close relationships with playmates; beginning to have "best" friends.
Initiative Vs. Guilt.
During this third stage, the "play age," or the later preschool years (from about 3½ to, in the United States culture, entry into formal school). During it, the healthily developing child learns: (1) to imagine, to broaden his skills through active play of all sorts, including fantasy (2) to cooperate with others (3) to lead as well as to follow. Immobilized by guilt, he is: (1) fearful (2) hangs on the fringes of groups (3) continues to depend unduly on adults and (4) is restricted both in the development of play skills and in imagination.
Sorts objects on the basis of two dimensions, such as color and form.
Sorts a variety of objects so that all things in the group have a single common feature (classification skill: all are food items or boats or animals).
Understands the concepts of smallest and shortest; places objects in order from shortest to tallest, smallest to largest.
Identifies objects with specified serial position: first, second, last.
Rote counts to 20 and above; many children count to 100.
Recognizes numerals from 1 to 10.
Understands the concepts of less than: "Which bowl has less water?"
Understands the terms dark, light, and early: "I got up early, before anyone else. It was still dark."
Relates clock time to daily schedule: "Time to turn on TV when the little hand points to 5."
Some children can tell time on the hour: five o'clock, two o'clock.
Gains greater control over large and fine motor skills; movements are more precise and deliberate, though some clumsiness persists.
Enjoys vigorous running, jumping, climbing, and throwing est.
Has trouble staying still.
Span of attention increases; works at tasks for longer periods of time, though
Can concentrate effort but not always consistently.
Understands time (today, tomorrow, yesterday) and simple motion (things go faster than others).
Recognizes seasons and major activities done in the times.
Has fun with problem solving and sorting activities like stacking, puzzles and mazes
Enjoys the challenge of puzzles, counting and sorting activities, paper-and-pencil mazes, and games that involve matching letters and words with pictures.
Recognizes some words by sight; attempts to sound out words
In some cases the child may be reading well.
functioning which facilitates learning to ride a bicycle, swim, swing a bat, or kick a ball.
Making things is enjoyed.
Reverses or confuse certain letters: b/d, p/g, g/q, t/f.