You can celebrate the huge difference caring people make for endangered animals while you practice subtraction skills. In this sequel to her popular addition title, What’s New at the Zoo?, Slade presents a new subtraction problem in each clever rhyming verse. The colorful watercolors include realistic animals set in lush spreads by illustrator, Joan Waites. So join in the celebration of our world’s precious animals with this exciting title, and have fun practicing math skills along the way! The For Creative Minds educational section includes: Endangered Animal Vocabulary, Food Chains and Webs, Missing Links in Food Chains, Endangered Animals, and Fact Families. This nonfiction picture book with a cuddle factor and rhyming text includes a 4-page For Creative Minds section in the back of the book and a 65-page cross-curricular Teaching Activity Guide online. What’s the Difference? is vetted by experts and designed to encourage parental engagement. Its extensive back matter helps teachers with time-saving lesson ideas, provides extensions for science, math, and social studies units, and uses inquiry-based learning to help build critical thinking skills in young readers. The Spanish translation supports ELL and dual-language programs. The interactive ebook reads aloud in both English and Spanish with word highlighting and audio speed control to promote oral language skills, fluency, pronunciation, text engagement, and reading comprehension.