User login

Estimation Exploration

Source Institutions


Add to listGo to activity
Estimation Exploration

In this "Sid the Science Kid" activity, learners practice estimating numbers of objects (like shells) and then check their estimates by counting. This activity includes a "Sid the Science Kid" video showing how to conduct the investigation.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:

Age Range:
Ages 4 - 6

Resource Types:
Activity, Lesson/Lesson Plan


Materials List (per group of students)

  • A collection of the same small objects (shells, jellybeans, pencils, pennies, pasta shapes, acorns, etc.)
  • A clear jar or bowl can help, but it isn’t necessary


  • Mathematics
    • Measurement
    • Number and Operations
    • Reasoning and Proof
  • The Nature of Science
    • The Scientific Process
      • Asking Questions
      • Conducting Investigations
      • Gathering Data
      • Formulating Explanations
      • Communicating Results


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access



  • All Rights Reserved, The Jim Henson Company, ©2008

Funding Sources:

  • Corporation for Public Broadcasting
  • Vinci
  • MetLife
  • The RoseHills Foundation
  • S.D. Bechtel, Jr. Foundation
  • John W. Carson Foundation
  • The Arthur Vining Davis Foundations


User Lists

This resource is part of these lists:

  • Thumbnail Math by msnieki on 2017-08-13