Children's Double-Sided Math Ruler: Multifunctional Aid for Learning Addition and Subtraction Up To 20

This versatile educational tool is designed to support young learners in mastering basic arithmetic skills. With its innovative double-sided design, one side of the ruler features visual aids and number lines to assist in understanding and practicing addition, while the other side focuses on subtraction. Easy-to-read numbers and clear markings make it an excellent resource for children learning to solve math problems up to 20. Durable and child-friendly, this math ruler is perfect for both classroom and at-home learning. Part Number: G-3511 Function: Scientific and Educational Decomposition Ruler Scope of application: Children's cognitive enlightenment teaching Application Scenario: Children, Elementary school students Material: plastic Manufacture country: China Instructions included: No