Counting and understanding number : ages 9-10 /
Koll, Hilary.
Mills, Steve,1955-
London : A & C Black,
2008.
System requirements for accompanying CD-ROM: PC; Intel Pentium III 700 MHz processor; 256MB RAM; Windows 2000 or later; Internet Explorer 5.5 or above, or Firefox version 1.5 or above.
CD-ROM in plastic pocket attached to inside front cover.
Arithmetic
Arithmetic
Accompanying disc is available for use on a standalone workstation within the library for single users. Disc will require installation.