16 Paper based models to verify algebraic entities, angle sum properties and area formula. One can understand total 20 concepts through these 16 Nets. These includes:

Mathematical Envelope – Cardioid (50 Nos.)
Mathematical Envelope – Nephroid (50 Nos.)
Mathematical Envelope – Parabola (50 Nos.)
Make Pythagoras Theorem Model (50 Nos.)
Area Formulas – Circle & Parallelogram (50 Nos.)
Area Formulas – Rhombus and Trapezium (50 Nos.)
Area Formulas – Triangle 1 & 2 (50 Nos.)
Make Angle Sum Property Model (50 Nos.)
Make (a+b) (c+d) Model (50 Nos.)
Make (a+b)2 – (a-b)2 Model (50 Nos.)
Make (a+b)2 + (a-b)2 Model (50 Nos.)
Make (a+b+c)2 Model (50 Nos.)
Make (a2 – b2) Model (50 Nos.)
Make (a3 + b3) Model (50 Nos.)
Make Volume of Cone & Cylinder Model (50 Nos.)
Understanding PI