TY - BOOK AU - Boothroyd,Jennifer TI - Grouping T2 - First step nonfiction SN - 9780822568261 (pbk. : alk. paper) AV - QA174.5 .B66 2007 U1 - 512/.2[E] 22 PY - 2007///] CY - Minneapolis, MN PB - Lerner Publications KW - Group theory KW - Juvenile literature KW - sears N1 - 0.7; Follett Library Resources; K-3; Follett Library Resources; K-3 N2 - Photographs and simple text introduce children to the concept of grouping things based on size, color, and shape ER -