Students will love using Really Good Stuff Number Line Dry-Erase Boards as they solve addition and subtraction problems. An economical alternative to paper, the pack of six dry-erase boards can be reused problem after problem, day after day and year after year. They also offer a great way for students to engage with the lesson individually or in small groups. Parents will want to keep one at home to help kids with addition and subtraction homework. Double-sided 12” x 4” dry erase number line boards feature a 0-10 number line on side and a 0-20 number line on the other. Using a dry-erase marker, students can work out addition and subtraction problems, wipe off and move on to the next one. The boards make group work more engaging as students can solve addition and subtraction word problems, add and subtract within 10 and within 20, and compare two numbers between 0 and 10 and 0 and 20 on a larger space that all can see and interact with. Really Good Stuff Number Line Boards are aligned with Common Core and State Standards. You can feel good knowing that it is designed to work with your PreK-2 curriculum.