MASTER REGROUPING: Regrouping Mats and Manipulatives kit helps students master regrouping in a fun and interactive way. Students write a problem on the write on/wipe off mat and solve the problem right on the mat using the sturdy manipulative pieces. FOR SCHOOL AND HOME: The regrouping mats are perfect for practicing addition and subtraction using regrouping at school and continued work at home. It is a great tool to help kids with their math homework or distance learning. COMMON CORE READY: Really Good Stuff Regrouping Mats and Manipulatives Kit is aligned with Common Core and state standards. You can feel good knowing it is designed to work with your curriculum. INFORM AND ENGAGE: Teach and reinforce the concept of regrouping while adding and subtracting in an engaging way. The mats and chips are color-coordinated and perfect for small group work, independent practice or learning centers. KIT INCLUDES: Regrouping mats and manipulatives kit includes 4 13� by 12� Write Again wipe-off laminate mats, 216 thick cardboard 1� round manipulative chips (72 each of ones, tens and hundreds) and instructional guide for teaching ideas and reproducibles for practice.