. . . "Juvenile works" . . "The mathematical concept of area is introduced as a girl works at her first job collecting toys from a toy store warehouse. Readers learn two methods to find area: using an array to count square units, and using a formula for length times width. This book also includes a discover activity, connection to history, and mathematical vocabulary introduction." . . "A toy store summer finding area" . "A toy store summer : finding area" . . . . . "\"The mathematical concept of area is introduced as a girl works at her first job collecting toys from a toy store warehouse. Readers learn two methods to find area: using an array to count square units, and using a formula for length times width. This book also includes a discover activity, connection to history, and mathematical vocabulary introduction\"--" . . . "Electronic books" .