calculation skills v1 add & sub basic core learning
this four volume series builds fundamental calculation competence with four core arithmetic operations . two volumes provide calculation practice with addition and subtraction at a basic and advanced level ; the other two volumes provide calculation practice with multiplication and division at a basic and advanced level . volume 1 features helpful calculation information : how to add addition table how to subtract subtraction table take away from 10 or 9 table money and decimals change from $ 1.00 table the program provides three timed drills basic addition drill basic subtraction drill making change from $ 1.00 drillsystem requirements : windows 98/me/2000 / xp pentium ii 400 mhz + 96 mb ram + 25 mb hard disk space cd-rom drive vga display 16-bit color with 800x600 resolutionformat : win 98 me 2000 xp