गणित शिक्षण और अधिगम में शिक्षण सहायक सामग्री सहायता करती है:

उत्तर: (B) विषय-वस्तु को मनोरंजक बनाने में / Making content entertaining — The primary role of teaching aids is to make the subject matter engaging and entertaining for students, which leads to better understanding and retention of mathematical concepts.