Each read-aloud book in the Mouse Math series focuses on a single, basic math concept and features adorable mice, Albert and Wanda, who live in a People House. Entertaining fiction stories capture kids' imaginations as the mice learn about numbers, shapes, sizes and more.

What could be better than a Captain Slime penny? Albert needs two quarters to use the library's new penny-smashing machine. Luckily, Wanda has a great idea for how Albert can earn the money. Every Mouse Math title includes back matter activities that support and extend reading comprehension and math skills, plus free online activities.