To teach sum of 4 angle of quadrilateral is 360. This manipulative provided with cutout of angles from Quadrilateral. Provided with magnet at back to demonstrate on magnetic board.
Angel Sum Property of Quadrilateral 1000-GM 435
To teach sum of 4 angle of quadrilateral is 360. This manipulative provided with cutout of angles from Quadrilateral. Provided with magnet at back to demonstrate on magnetic board.