Comparing Number

Scanning with Intuitive Quantification Estimator

Sub Trajectory: Numerosity Estimation

Scans a group of objects and relates the results to a mental number line to perform a useful numerosity estimation.

Activities

You may see this:

Other Examples:

When shown 40 objects spread out for 1 second and asked, "How many?," the child responds, "About thirty."

Help your student become a(n) Scanning with Intuitive Quantification Estimator

Children have experiences covering surfaces and talking about area (e.g., on the playground, "this is a really big area for our game" or ""we covered the whole table with no holes") can be helpful. In discussions, differentiate area from other quantities (e.g., "Her block building is taller than yours, but yours covers more of the rug!")

Estimate How Many [Scanning Estimator]

Whole Group

The Estimating Jar [Scanning with Intuitive Quantification]