Learning addition.
Learning addition.
- Princeton, NJ : Video Tutor, 1993.
- 1 videodisc (VCD) ( 73 min) : sd., col. ; 4 3/4 in. Math basic arithmetic; arithmetic series 1
English
VCD
Addition
Arithmetic
513.211 L47 c1993
English
VCD
Addition
Arithmetic
513.211 L47 c1993