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Supporting Mathematical Development

in Young Children

The videos in this series describe children's early mathematical development and provide examples of how early childhood professionals can both explicitly teach math skills and support their development through daily routines and play. These videos were funded by the Connecticut Office of Early Childhood.

Child holds tweezers and counts.
Counting (3:57) This video describes children's understanding of quantity and their development of counting skills from rote to purposeful. Watch video
Child plays a board game.
One-to-One Correspondence (4:08) This video describes children's understanding of quantity and their development of one-to-one correspondence. Watch video
Child sorts colorful buttons on a tray.
Cardinality (4:42) This video describes children’s recognition of total quantity. Watch video
Teacher and Child play board game.
Recognition of Quantity (3:49) This video describes children’s ability to subitize, or recognize the quantity of small sets without counting. Watch video
Children play a game comparing stacks of cubes.
Comparison (3:51) This video describes children’s ability to compare two groups and notice if one has more or less. Watch video
Children play a game at a table using colorful eggs.
Number Operations (4:35) This video describes children’s emerging awareness that numbers can be combined or taken apart. Adults can support children to use this knowledge when solving problems. Watch video
Two children stack legos.
Measurement (5:30) This video describes children’s ability to notice the various attributes of objects and to describe their sizes. Adults can introduce measurement of those objects using both standard and nonstandard units. Watch video
Close-up of a wipe board with a survey of what materials children would like to use during outdoor play.
Data (4:37) This video describes children’s ability to collect, observe and compare data. Working with data offers children interesting opportunities to gather information to find an answer to a question. Watch video
A teacher sits on the floor with three children building with large blocks.
Geometry (5:15) This video describes children’s experience with shapes in their environment and their ability to recognize, name and describe a shape’s attributes. Watch video
Tips for Using these Videos

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