The Manduca Project

Mathematics Activity

Make a centimeter ruler

by

Patricia Weaver, Drachman Elementary School, Tucson, AZ

 

To measure the length of your Manduca, you will need a ruler. You can create your own centimeter ruler by following these directions.

You'll need

Directions

  1. Lay a centimeter cube at one end of the tagboard strip .Make a pencil mark at the end of the cube.

  2. Put another cube next to the first one. Make another pencil mark at the end of the cube.

  3. Continue doing this until you get to the end of the strip.

  4. Starting at the first mark you made, number the marks 1, 2, 3, and so on.
illustration of how to make a ruler using blocks

 

 

 

 

 

 

 

 

 

 

Activity suggestions

´Instead of centimeter cubes, use a non-standard unit of measure such as finger widths, paper clips, coins, or other small objects.

Use your ruler for the How Long? activity.

The Manduca Project
The University of Arizona
Contact: Dr. Michael Wells
Revised: July 27, 2001, 2001

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