Patterns-3

http://pbskids.org/cyberchase/webisode_1/web_1game.html
 * Crack the Safe** (Patterns)

http://www.interactive-resources.co.uk/mathspack2/tally/tally.html
 * Tally Charts**

@http://www.linkslearning.org/Kids/1_Math/2_Illustrated_Lessons/5_Patterns/index.html
 * Patterns**