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Great Openings: Slots, 35 Sense, and Hole In One

Source Institutions

    Foundation for Family Science & Engineering

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Great Openings: Slots, 35 Sense, and Hole In One

These three short activities challenge groups to fit objects through paper and index cards: "Slots" presents the challenge for one learner to figure out which objects fit through a hole cut by another; "35 Sense" is a puzzle to fit a quarter through a hole the size of a dime; and "Hole In One" has learners cutting index cards to fit a person through.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per group of students

Age Range:
Ages 4 - 14

Resource Type:

English, Spanish

Materials List (per group of students)

  • a variety of small household items
  • paper
  • scissors
  • dime and quarter
  • index cards
  • pencil


  • Mathematics
    • Geometry
      • Plane Geometry

Informal Categories

  • Games


Foreign language versions of this resource:

This resource is part of:

Access Rights:

  • Free access


  • Heil, David; Amorose, Gayle; Gurnee, Anne; Harrison, Amy

Source Collection:

  • Science After School Consumer's Guide


  • All Rights Reserved, Family Science, ©1999