Isomars Blackboard/Whiteboard Teacher's Protractor - 180 Degrees - Large Size

Introducing the Isomars Blackboard Protractor, an essential teaching tool designed specifically for classroom instruction. This large-format protractor features clear, bold markings from 0 to 180 degrees, making it perfect for demonstrating angle measurements and geometric concepts to students. The bright yellow colour ensures high visibility against dark surfaces, while the durable construction withstands daily classroom use. The protractor's generous size makes it ideal for whiteboard and blackboard demonstrations, allowing students to clearly see measurements from anywhere in the classroom. With precise calibrations and a smooth base edge, this professional teaching aid helps educators illustrate mathematical concepts with confidence. The Art BB52 model includes a convenient centre indicator for accurate angle bisection and measurement. Whether you're teaching basic angle concepts or advanced geometry, this classroom protractor is an indispensable tool for effective mathematics instruction.

• CLASSROOM SIZE: Large 180-degree protractor designed specifically for teaching and demonstration on blackboards and whiteboards
• VISIBILITY: Bright yellow colour ensures excellent contrast and clear visibility from across the classroom
• MEASUREMENT RANGE: Precise angle measurements from 0 to 180 degrees with clear, bold markings for easy reading
• DURABILITY: Sturdy construction suitable for frequent classroom use and handling by teachers
• DIMENSIONS: The product's dimension is 445x255mm, 4mm thickness with clearly marked degree increments.