32Pack Pencil Shape Number Line Dry Erase Board Cards 14" x 4" Double Sided Writable and Erasable Number Line Boards -10-10 on One Side and 0-20 on Other Side Math Manipulatives for Classroom Students

["Writable and erasable number line board: you will receive 32 pencil shape number line dry erase board cards in a generous quantity, with one side featuring a number line from 0 to 20 and the other side featuring a number line from -10 to 10, making them a convenient tool for students who are learning addition and subtraction while the pencil shape design helps spark their interest in learning.","Classic pencil design: these double sided writable and erasable number line boards feature a cute pencil shape that makes math engaging, and their 14 by 4 inch size provides ample writing space for solving and exploring basic arithmetic in a fun and interactive way.","Quality material: the number line dry erase board cards are made of durable and thick cardboard, feature clear printing and bright colors for math operations, are easy to use, and have smooth rounded edges.","Easy to use: our pencil shape number line dry erase board cards are reusable learning tools with a smooth surface that is easy to write on and wipe clean, serve as practical teaching aids that allow students to visually present their calculation process, and feature a lightweight and portable design that makes them convenient for students to carry.","Classroom math manipulatives: these double-sided dry-erase number line boards are ideal supplies that function as a classroom teaching tool for teachers, allow students to complete homework and engage in independent learning at home, and suit a variety of other math education settings."]