# Pyramid Puzzles or Number Triangles

*terms*, and one blank (or a question mark). The two terms on one side of the symbol â€˜=â€™ (or

**: :**) are related to each other with respect to their position in the pyramid. The location of numbers (or letters) of the terms in the pyramid form a particular shape. The two terms on the other side of the symbol â€˜=â€™ (or

**: :**) should also form a similar shape in the pyramid. By close observation of the shape formed by the terms on one side of the symbol â€˜=â€™, the missing term on the other side can be identified easily.