The magic of the matrix : making arithmetic practice fun /
Ward, Ian.
The magic of the matrix : making arithmetic practice fun / by Ian Ward. - Hatfield Road, St. Albans : Tarquin Publications, 2007. - 44 p. : ill ; 28 cm.
9781899618774
Arithmetic.
Mathematics--Arithmetic.
The magic of the matrix : making arithmetic practice fun / by Ian Ward. - Hatfield Road, St. Albans : Tarquin Publications, 2007. - 44 p. : ill ; 28 cm.
9781899618774
Arithmetic.
Mathematics--Arithmetic.