Brainormous: Mathteroid (flash)
CoolScienceLab: Are You a Math Magician (flash)
CrickWeb: Digit Work-Out- Level 2 (flash)
eLearningForKids: Riksjas, Toek Toek
EZSchool: Alien Subtraction (flash)
EZSchool: Balloon Pop Subtraction (flash)
EZSchool: Simple Addition (flash)
Funbrain Math Baseball (flash)
Funbrain: Tic Tac Toe Squares (flash)
Fun For the Brain Games (flash)
HoodaMath: Minus Mission (flash)
HoodaMath: Skater Math (flash)
ictGames: Mummy Numberlines (flash)
ictGames: Twilight Take Away (flash)
IKnowIt: Subt Facts within 5 K (flash)
IKnowIt: Missing Numbers to 5 K (flash)
IKnowIt: Basic Subt within 10 K (flash)
IKnowIt: Subt 0 Within 10 K (flash)
IKnowIt: 1 Less to 10 K (flash)
IKnowIt: Missing Numbers to 10 K (flash)
IKnowIt: One Less to 20 K (flash)
IKnowIt: Missing Numbers to 10 G1 (flash)
IKnowIt: Subt Fact Drill to 10 G1 (flash)
IKnowIt: Equal and Not Equal G1 (flash)
IKnowIt: Subt Within 20 G1 (flash)
IKnowIt: Subt Facts Drill Within 20 G1 (flash)
IKnowIt: Equal and Not Equal Within 20 G1 (flash)
IKnowIt: Missing Numbers to 20 G1 (flash)
IKnowIt: Subt 10 From Any Number G1 (flash)
IKnowIt: Basic Subt Within 20 G2 (flash)
IKnowIt: Subt Facts Drill Within 20 G2 (flash)
MathPlay: Math Magician (flash)
MrNussbaum: Defeat the Mayan Math Monster (flash)
MrNussbaum: World Cup (flash)
Rabbit Take Away (flash)
Scholastic: Dude's Dilemma (flash)
Sheppard Software Games (flash)
SheppardSoftware: Catch the Falling Stars (flash)
SheppardSoftware: Fruit Shoot (flash)
SheppardSoftware: Matching Subtraction (flash)
SheppardSoftware: Monkey Drive (flash)
SheppardSoftware: Pearl Search (flash)
SheppardSoftware: Subtraction Harvest (flash)
The Wall Subtract (flash)
TurtleDiary: Learn to Subtract to 10 (flash)
TurtleDiary: Number Chart Subtraction (flash)
TurtleDiary: Subtraction Equation (flash)
TurtleDiary: Subtraction Matrix (flash)
TurtleDiary: (flash)
TurtleDiary: (flash)
TurtleDiary: (flash)
TurtleDiary: (flash)
TurtleDiary: (flash)
XPMath: Subtraction (flash)
ictGames: Bottle Takeaway (flash)
ictGames: Demonstration Tool for Vertical Subtraction (flash)
ictGames: Difference on a Number Line Manipulative (flash)
ictGames: Handy Counters (flash)