The Subtraction Top-It game by McGraw-Hill offers a quick and easy way to practice and reinforce 2-digit subtraction computation and number comparisons. This two-player game runs on the iPad, iPhone, and iPod Touch.

Players take turns dealing two 2-digit number cards to each player, finding their differences, and then comparing the differences. Players score points for correctly finding their difference, identifying the greater difference, and for having the greater difference. The player with the most points at the end of 8 rounds wins! Visual and audio reinforcement of correct and incorrect answers help players master subtraction computation and comparison skills.

Features of Subtraction Top-It:
- 2 players (for extra practice, a single player can play as Player 1 and Player 2)
- 8 competitive rounds of play
- Practices subtraction computation with 2-digit numbers and comparisons of numbers
- Fully randomized 2-digit number card deck
- Correct and incorrect answer feedback
- Guided/Unguided play
- Full tutorial
- Compatible with iPad, iPhone, and iPod Touch

Look for these other Everyday Mathematics® Games Apps:
- Addition Top-It™
- Beat the Computer™
- Name that Number™
- Equivalent Fractions™
- Tric-Trac™
- Monster Squeeze™
- Baseball Multiplication 1–6™ Facts
- Baseball Multiplication 1–12™ Facts
- Divisibility Dash™


Everyday Mathematics® web site: everydaymath.com