Size It Up

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In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid. The activity prompts students to think about how their eyes and brain work together to make sense of the world. This is a great activity that focuses on perception and sight, and can also be combined with lessons about various famous artists.

Quick Guide

Preparation Time:
5 to 10 minutes

Learning Time:
30 to 45 minutes

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

Age Range:
Ages 6 - 11

Resource Type:

English, Spanish

Materials List (per group of students)

  • Pencils
  • Yardstick
  • Chart paper or newspaper
  • up to 60 three-inch square sticky notes


  • Life Sciences
    • Human Senses and Perception
      • Vision
  • Mathematics
    • Measurement
      • Size and Scale

Informal Categories

  • Arts and Crafts


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

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


Foreign language versions of this resource:

Components that are part of this resource:

Includes alignment to state and/or national standards:

This resource is part of:

Access Rights:

  • Free access


  • WGBH

Source Collection

  • Fetch! With Ruff Ruffman


  • All rights reserved, WGBH Educational Foundation, 2006

Funding Sources:

  • National Science Foundation, 0452485
  • Public Television Viewers
  • The Arthur Vining Davis Foundation
  • Arby's
  • Greendog