幾何圖形磁鐵拼板是在一個正方形的磁底盤里，運用不同的拼片，能夠拼出基本圖形，不規則圖形、組合圖形計200余個，能運用割補、對折、平移、翻轉等方法，靈活的進行圖形變換，并能算出所拼圖形的面積和周長，推導三角形、平行四邊形、梯形等圖形的面積計算公式；能幫助學生建立分數概念，了解分數的意義及性質，還能演示等積、等底三角形和平行四邊形高的比等一類抽象的數量關系。
J315 Magnetic Geometric Puzzle
It is a magnet in a square of the magnetic chassis, using different film together, be able to spell basic graphics, graphic anomalies, the combination of graphics than 200 dollars, can use up cutting, folding, pan, flip, and other methods And flexible graphics for change and the fight out of the graphics area and perimeter, derived triangle, parallelogram, trapezoid, and other graphics of the formula for calculating the area; help students to develop the concept of points, to understand the meaning and nature of the score, but also demonstrate And so on the plot, such as at the end of the triangle and parallelogram high ratio of the number of a class of abstract relations.