Gattegno proposed the study of

A compete pattern for a rod consists of all the trains of equivalent length (~). For example,

Use these web resources to make complete patterns for the yellow rod, and rods smaller than it. How many trains are in each pattern? How do you know that you have made them all? How many trains do you think will be in a complete pattern for dark green (

Visit Virtual Rod Resources in Flash

Virtual Rod Resources for Download to smartphones

For More Exercises visit Gattegno Textbook Resources

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