8 months |
18 months |
36 months |
At around eight months of age, children easily reach for and grasp things and use eyes and hands to explore objects actively. (6 mos.; Alexander, Boehme, and Cupps 1993, 112)
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At around 18 months of age, children are able to hold small objects in one hand and sometimes use both hands together to manipulate objects. (18 mos.; Meisels and others 2003, 40) |
At around 36 months of age, children coordinate the fine movements of the fingers, wrists, and hands to skillfully manipulate a wide range of objects and materials in intricate ways. Children often use one hand to stabilize an object while manipulating it.
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For example, the child may:
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Reach for and grasp an object, using one hand. (5–8 mos.; Introduction to Infant Development, 2002, 62; by end of 7 mos.; American Academy of Pediatrics 2004, 205; 7–8 1/2 mos.; Parks 2004)
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Use hand in a raking or sweeping motion to bring a toy closer. (7–8 mos.; Parks 2004; by end of 7 mos.; American Academy of Pediatrics 2004, 205; 7–8 mos.; Frankenburg and Dodds 1990)
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Hold a small block using the thumb and fingertips. (item right before scaled score of 10 for 7:16–8:15 mos.; Bayley 2006, 127)
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Hold a small block in each hand and bang the blocks together. (Scaled score of 10 7:16–8:15 mos.; Bayley 2006, 127)
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For example, the child may:
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Hold a crayon between fingers and thumb. (13–18 mos.; Slater and Lewis 2002, 62; scaled score of 10 for 17:16–18:15 mos.; Bayley 2006, 131)
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Scribble with big arm movements. (13–18 mos.; Introduction to Infant Development, 2002, 62)
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Place pegs into a pegboard. (16–19 mos.; Parks 2004)
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Hold a toy with one hand and use the fingers of the other hand to explore it. (By 18 mos.; Meisels and others 2003, 40)
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Point to the pictures of a book. (By 18 mos.; Meisels and others 2003, 40)
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Place a stacking ring on the post. (By 18 mos.; Meisels and others 2003, 40)
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Use two hands to pick up a big truck, but only one hand to pick up a small one. (12–18 mos.; Parks 2004, 81)
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Use the wrists to rotate objects in order to explore all sides. (18 mos.; Meisels and others 2003, 40)
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Use one hand in opposition to the other. (18 mos.; Meisels and others 2003, 40)
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For example, the child may:
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Use child-safe scissors in one hand to make snips in a piece of paper. (Scaled score of 10 for 34:16–35:15 mos.; Bayley 2006, 136; 28–35 mos.; Parks 2004)
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String large wooden beads onto a shoelace. (33–36 mos.; Parks 2004)
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Build a tall tower with six or more blocks. (28–31 mos.; Parks 2004; by the end of 24–36 mos.; American Academy of Pediatrics 2004, 305)
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Turn the pages of a paper book, one at a time. (By end of 24–36 mos.; American Academy of Pediatrics 2004, 305)
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Twist toy nuts and bolts on and off. (By end of 24–36 mos.; American Academy of Pediatrics 2004, 305)
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Open a door by turning the round handle. (By end of 24–36 mos.; American Academy of Pediatrics 2004, 305)
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Use one hand to hold and drink from a cup. (By 36 mos.; Meisels and others 2003, 77)
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Place a wooden puzzle piece in the correct place in the puzzle.
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Use thumb, index, and middle fingers to draw or write with a crayon, marker, or pencil. (Scaled score of 10 for 21:15–22:15 and 35:16–36:15 mos.; Bayley 2006, 136; by 36 mos.; Apfel and Provence 2001, 33)
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Behaviors leading up to the foundation (4 to 7 months)
During this period, the child may:
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Transfer a cloth from one hand to another. (6 mos.; Alexander, Boehme, and Cupps 1993, 110; scaled score of 10 for 5:16–6:15 mos.; Bayley 2006)
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Pull the spoon out of her mouth. (6 mos.; Alexander, Boehme, and Cupps 1993, 111)
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Reach toward a toy and make grasping motions with the hand. (4–6 mos.; Lerner and Ciervo 2003)
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Reach for a second toy when already holding one in the other hand. (5–6.5 mos.; Parks 2004, 49)
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Hold one block in each hand, then drop one of them when the infant care teacher holds out a third block. (6.5–7.5 mos.; Parks 2004, 50)
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Have the hands in an open position when relaxed. (4 mos.; Meisels and others 2003, 14)
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Behaviors leading up to the foundation (9 to 17 months)
During this period, the child may:
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Hold on to two blocks while reaching for another block. (8–10 mos.; Parks 2004, 50)
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Use thumb and index finger to pick up a piece of cereal. (Scaled score of 10 for 9:16–10:15 mos.; Bayley 2006, 128)
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Drop a block into the wide opening of a large container. (9 mos.; Alexander, Boehme, and Cupps 1993, 157)
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Turn the pages of a board book. (Scaled score of 10 for 9:16–10:15 mos.; Bayley 2006, 128)
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Use hands to follow along with some motions of a song, chant, or finger play. (Scaled score of 10 for 9:16–10:15 mos.; Bayley 2006, 87)
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Grasp onto and pull the string of a pull toy. (9–12 mos.; Parks 2004, 51)
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Point with the index finger. (12 mos.; Coplan 1993, 3; scaled score of 10 for 11:16–12:15 mos.; Bayley 2006, 129)
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Stack two to three small blocks into a tower. (Scaled score of 10 for 13:16–15:15 mos.; Bayley 2006, 130)
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Unscrew the lid of a plastic jar. (Scaled score of 10 for 14:16–15:15 mos.; Bayley 2006, 62)
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Put pieces of cereal inside a container with a small opening. (Scaled score of 10 for 16:16–17:15 mos.; Bayley 2006, 130)
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Behaviors leading up to the foundation (19 to 35 months)
During this period, the child may:
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Fold a piece of paper. (21–24 mos.; Parks 2004)
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Dump a container by turning it over. (By 24 mos.; American Academy of Pediatrics 2004)
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Use a crayon to draw lines and circles on a piece of paper. (Scaled score of 10 for 27:16–28:15 mos.; Bayley 2006, 134; 30 mos.; Squires, Potter, and Bricker 1999; by 30 mos.; Apfel and Provence 2001, 33)
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