Working at the Post Office: Learning to Subtract 2 Three-Digit Numbers Without Renaming

by Barbara M. Linde

If 256 enveloped letters were sent by truck, and 141 were sent by plane, how many more letters were sent by truck than plane? Readers answer this and other postal-related math problems.

• Format: Paperback
• Language: English
• ISBN: 0823988554
• ISBN13: 9780823988556
• Release Date: January 2010
• Publisher: Rosen Classroom
• Length: 16 Pages
• Age Range: 7 to 8 years
• Grade Range: Grades 2 to 3