California Preschool Learning Foundations - ECEZero2Three ...

MATHEMATICS
156 | Measurement
At around 48 months of age At around 60 months of age
1.2 Order three objects by size. 1.2 Order four or more objects by size.
Examples Examples
• Sets bowls by size in dramatic play area, the
biggest bowl for daddy bear, the medium bowl
for mommy bear, and the smallest bowl for
baby bear.
• Lines up three animal figures by size.
• Attempts to arrange nesting cups or ring
stackers in correct order by size.
• Arranges four dolls from smallest to largest in
pretend play with dolls.
• In sandbox, lines up buckets by size, from the
bucket that holds the most sand to one that holds
the least.
• On a playground, orders different kinds of balls
(e.g., beach ball, basketball, soccer ball, tennis
ball) by size.
1.3 Measure length using multiple
duplicates of the same-size
concrete units laid end to end.*
Examples
• Uses paper clips laid end to end to measure
the length of different size blocks, with adult
guidance.
• Measures the length of a rug by laying same-size
block units end to end and communicating, “The
rug is ten blocks long,” with adult guidance.
• Measures the length of a table using inch
“worms,” with adult guidance.
• Measures the distance from the reading area to
the block area by using meter sticks, with adult
guidance.
* A foundation for measurement is written only for children at around 60 months of age, because the development of the
ability to use same-size units to measure quantity typically occurs between 48 months and 60 months of age.
Preschool Learning Foundations, Volume 1 • California Department of Education