Linde, Barbara M.
Working at the post office : learning to subtract two three-digit numbers without regrouping Barbara M. Linde. - New York, N.Y. : Rosen Classroom Books & Materials, 2004. - 16 p. : col. ill. ; 22 cm. - Math for the real world, Early fluency. .
Includes index.
9780823988556
Mathematics.
Postal service -- Employees.
Postal service.
510 LIN
Working at the post office : learning to subtract two three-digit numbers without regrouping Barbara M. Linde. - New York, N.Y. : Rosen Classroom Books & Materials, 2004. - 16 p. : col. ill. ; 22 cm. - Math for the real world, Early fluency. .
Includes index.
9780823988556
Mathematics.
Postal service -- Employees.
Postal service.
510 LIN