The Length of My Foot

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In this math lesson, learners explore the concept of using units to measure length. Learners first read "How Big is a Foot" by Rolf Myller and learn about units. Then, learners visit four measurement centers. In each center, learners will measure items with various kinds of units. Learners use non-standard units to measure their shoes, the distance between beanbags and a bull’s-eye target, their body parts (arms, legs, etc.), and some everyday objects. This lesson guide includes instructions on how to set up a "Shoe Store" dramatic play area that can be used to introduce learners to measurement prior to this activity.

Quick Guide

Preparation Time:
30 to 45 minutes

Learning Time:
45 to 60 minutes

Estimated Materials Cost:
$5 - $10 per group of students

Age Range:
Ages 4 - 6

Resource Types:
Activity, Lesson/Lesson Plan


Materials List (per group of students)

  • "How Big is a Foot" by Rolf Myller
  • Brightly colored box
  • Left shoe
  • Right shoe
  • Adult pair of scissors
  • Child-sized pair of scissors
  • Heel to Toe recording sheets
  • Shoe
  • Regular-sized paperclips
  • Connecting cubes
  • Wooden blocks
  • Lima beans
  • Toothpicks
  • A bull's-eye target board
  • 6 pairs of bean bags, each set a different color
  • One of these nonstandard units of measurement: connecting cubes, jumbo paperclips, or straws cut identical lengths
  • 6 crayon boxes
  • 6 pieces of chalk
  • 6 blocks
  • 6 markers
  • 12 beads
  • Jumbo pipe cleaner
  • Grab Bag Measurements
  • Bag or sack
  • Measuring Me! recording sheets
  • Paper for four graphs with titles and pictures


  • Life Sciences
    • Human Body
  • Mathematics
    • Data Analysis and Probability
      • Data Analysis
      • Data Collection
      • Data Representation
    • Measurement
      • Units of Measurement
      • Size and Scale

Informal Categories

  • Literature
  • Toys


To use this activity, learners need to:

  • see
  • see color
  • be mobile
  • touch

Learning styles supported:

  • Links STEM to other topics of interest such as arts and humanities
  • Involves hands-on or lab activities


Includes alignment to state and/or national standards:

Includes assesments for student learning:

This resource is part of:

Access Rights:

  • Free access


  • Lyman, Nichol


  • All rights reserved, Utah Education Network in partnership with the Utah State Office of Education and Higher Ed Utah,