
Subtraction is an important math skill, and also a useful skill in many parts of daily life. Through completing exciting activities, readers of this stimulating volume will gain an understanding of concepts vital to the elementary math curriculum. Friendly characters and colorful...

Subtraction is an important math skill, and also a useful skill in many parts of daily life. Through completing exciting activities, readers of this stimulating volume will gain an understanding of concepts vital to the elementary math curriculum. Friendly characters and colorful...