Completion
How Many MOre: http://www.hbschool.com/activity/using_subtraction/
Balance Equations
Balance Equations: http://www.ixl.com/math/grade-2/subtraction-two-digits-balance-equations
Regrouping
Ghostblasters: http://www.oswego.org/ocsd-web/games/Ghostblasters3/ghostsub3.html
Speed Grid 2: http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub2res.html
Speed Grid 3: http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub3res.html
Tens for 100's: http://www.sadlier-oxford.com/math/enrichment/gr2/ch9/0209a.htm
Demo: http://harcourtschool.com/activity/elab2004/gr3/4.html
Speed Grid 2: http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub2res.html
Speed Grid 3: http://www.oswego.org/ocsd-web/games/SpeedGrid/Subtraction/urikasub3res.html
Tens for 100's: http://www.sadlier-oxford.com/math/enrichment/gr2/ch9/0209a.htm
Demo: http://harcourtschool.com/activity/elab2004/gr3/4.html
Without Regrouping
Games
Subtract with 2-Digit Numbers: http://www.mhschool.com/math/2002/student/2/activities.html
Subtract 2-Digit Numbers: http://www.mhschool.com/math/2002/student/2/activities.html
2-Digit Subtraction: http://macmillanmh.com/math/2003/student/activity/courses/gr2/ch15/
Subtract 2-Digit Numbers: http://www.mhschool.com/math/2002/student/2/activities.html
2-Digit Subtraction: http://macmillanmh.com/math/2003/student/activity/courses/gr2/ch15/