McCready, Sharon.
Mental Math : Grades 4-6 / [DVD videorecording] :
Mathematics strategy P-9 / [DVD videorecording]
Sharon McCready.
- Halifax, N.S. : Nova Scotia Dept. of Education, 2006.
- 1 videodisc : sd., col. ; 4 3/4 in.
Disc 2 of the "Mathematics Strategy P-9" set.
Grades 4-6.
DVD.
Mathematics.
Teaching--Aids and devices.
Mathematics.--Study and teaching.
DVD-video discs--2007.