Inexact Part-Whole Recognizer

Knows that a whole is bigger than parts, but may not accurately quantify (label with numbers). May show intuitive knowledge of commutativity, and, later, associativity while physical groups, later in more abstract concepts, including numbers.


You may see this:

Linked Image to Sign In/Sign Up page

Other Examples:

  • When shown four red blocks and two blue blocks and asked how many there are in all, names a “big number,” such as 5 or 10.

Help your student become a(n) Inexact Part-Whole Recognizer

Experiences exploring groups with a lot of language regarding parts and whole (e.g., "Lets put all the cars and trucks together and we'll have lots of vehicles!"). Experiences in learning trajectories also develop these abilities, especially subitizing, counting, comparing, and sorting.

Special Thanks To

Institute of Education Sciences
The research reported here was supported by the Institute of Education Sciences, U.S. Department of Education, through grant numbers R305K050157, R305A120813, R305A110188, and R305A150243. to the University of Denver. The opinions expressed are those of the authors and do not represent views of the Institute or the U.S. Department of Education.