Adding and Subtracting Activity BookDefault ManufacturerAges 6+513534DADDINGANDSUBTRACTINGACTIVITYBOOK9.99The Lawrence Discovery Storehttps://store.lawrencehallofscience.org/Item/adding-and-subtracting-activity-book
A colorful, write-in book featuring a multitude of adding and subtracting puzzles, encouraging children to learn and practice. Kids will have plenty of opportunities to practice before testing themselves with quick quizzes.