Addition & SubtractionDVD - 2004
This first level math video will introduce you to the Basic Math series, as well as teaching: How to explain the meaning of the word number; Adding whole numbers and subtracting whole numbers.
Alternative Title: Basic math. Addition & subtraction [videorecording]
Publisher: Venice, CA : TMW Media Group, 
Branch Call Number: 513.211
Characteristics: 1 videodisc (30 min.) : sd., col. ; 4 3/4 in.