Thomas, Mary Ann
Our train trip : learning to add times by the half hour Mary Ann Thomas - New York, N.Y. : Rosen Classroom Books & Materials, 2004. - 16 p. : col. ill. ; 22 cm. - Math for the real world .
9780823988495 082398849X
Time measurements
Time
Railroad trains
Mathematics.
510 THO
Our train trip : learning to add times by the half hour Mary Ann Thomas - New York, N.Y. : Rosen Classroom Books & Materials, 2004. - 16 p. : col. ill. ; 22 cm. - Math for the real world .
9780823988495 082398849X
Time measurements
Time
Railroad trains
Mathematics.
510 THO