Take Ten: Cleaning Up is Fun

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In this activity, learners will make cleaning up more fun with predictions and counting. Estimate how many things are on the floor (or table), then count as they are picked up. Include predictions: If everyone puts away ten things, would we get everything cleaned up? Compare estimates with the actual number on the floor. As young learners do this activity, they practice counting; older ones build estimation skills. [Activity is publicly available through a web crawler capture on Archive.org.]

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
5 to 10 minutes

Estimated Materials Cost:
free per group of students

Age Range:
Ages 4 - 11

Resource Type:


Materials List (per group of students)

  • Ordinary clutter


  • Mathematics
    • Measurement
      • Units of Measurement
      • Systems
    • Number and Operations
      • Multiples and Factors
      • Number Systems
      • Operations
  • The Nature of Science
    • The Scientific Process
      • Asking Questions
      • Conducting Investigations


To use this activity, learners need to:

  • see
  • be mobile

Learning styles supported:

  • Involves teamwork and communication skills
  • Uses STEM to solve real-world problems
  • Involves hands-on or lab activities


Access Rights:

  • Free access


Source Collection

  • Mixing in Math


  • , © 2010, TERC, Inc., MA., 2010

Funding Source:

  • NSF, ESI-0406675 and DRL-0713537