Xari & Yari are back with their favorite narrator, Berri, in their second book - solving one-step addition & subtraction equations! Their story leads learners to figure out how to solve one step addition and subtraction equations and shows them how to write out their thinking. At the end of the book manipulatives, worksheets and suggestions for structuring activities in your learning environment are included. The book ends with official Check-for-Understanding worksheets where instructors determine the score needed to show a level of understanding. Written by a special education teacher, this book includes only the necessary illustrations to support learning and understanding without extras that may be distracting to some learners. Simple fonts are also used to allow accessibility to mathematicians who may have trouble deciphering more complicated fonts. The pre-requisites of this book are counting, identifying the letters x and y, and understanding that variables are. Other books in this series Meet Xari and Yari the Variables - Xari & Yari Solve One-Step Equations Multiplication and Division Style (Coming Spring 2026) Follow us on social media Facebook: XariYari TheVariables Instagram: @xari_and_yari_the_variables