00638cam a2200217 4500 547798948 TxAuBib 20170802120000.0 170801s2012||||||||||||||||||||||||und|u 9781433334368 1433334364 TxAuBib Greathouse, Lisa. Recess Time : Patterns. Huntington Beach, CA : Teacher Created Materials, 2012. 32pp : paperback. Teacher Created Materials 20170802. Algebraic Thinking--Elementary. Teacher Created Materials.