Mate and Rix Escape Boredom: Double-Digit Addition with Regrouping

Kids adore the story and the funny illustrations. Parents and educators appreciate how the story and illustrations make understanding double-digit addition stress-free and easy.

It is the ideal tool for nurturing your child's mathematical skills and boosting their confidence. A valuable addition to your library, classroom, or home.

An ordinary night at a pet store transforms into an exciting adventure as Mate and Rix construct a fort using addition with regrouping. These lovable characters en...