These digital slides will help your students to consolidate their understanding of the bridging to 10 subtraction strategy.20 examples are included. 4 sections to each sandcastle:Subtraction problem to solveEach number represented on tens framesNumber sentence demonstrating bridging to 10The answerThis activity is included in The Hive's Math program for FLEXIBLE SUBTRACTION STRATEGIES - Bridging to 10 (Grades 1 & 2).