Efektivitas Penggunaan Blok Aljabar dalam Penyelesaian Persamaan Kuadrat Dengan Teknik Kuadrat Sempurna

This study aims to look at the effectiveness of the use of algebra blocks in order to help grade IX students solve the problem of quadratic equations by using completing square technique. Algebra blocks are used in order to help students deal with difficulties that arise in abstract thinking needed when solving quadratic equations with completing square technique. This is important to study because the difficulty in abstract thinking in using the completing square technique is one of the obstacles experienced by grade IX students in solving the problem of quadratic equations. The results of the experiments show that the learning process by using algebraic blocks in solving quadratic equations by using completing square technique gives better results than learning delivered by conventional methods.