The Melissa & Doug Subtraction Problems Write-A-Mat is an educational tool designed to help children practice and master basic subtraction skills. This reusable mat features multiple columns of subtraction problems arranged in a clear, organized format for systematic learning and practice. Key features: • Reusable write-on/wipe-off surface • Multiple columns of subtraction problems • Clear, organized layout for systematic practice • Durable material for repeated use • Perfect for classroom or home learning • Helps build fundamental math skills The mat provides a structured approach to learning subtraction with problems arranged in vertical columns. Students can write their answers directly on the mat using dry-erase markers and easily wipe clean to practice again. This format allows for repeated practice while helping children develop confidence and proficiency in basic subtraction operations. The mat's design makes it an ideal tool for both classroom use and homework practice.