The Action of Subtraction Author:Brian P. Cleary, Brian Gable (Illustrator) Humorous examples and rhyming text help explain subtraction. Subtraction is explained in rhyming text and simple, silly cartoons with examples that range from angry bulldogs, hornets, and bowling pins to pieces of birthday cake, sports time-outs, and stuffed animals. The text is actually a rap that would be fun for students to memorize and perfo... more »rm. The illustrations are colorful and attractive, and an explanation of the equals sign is included.« less