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...ics is a mixture of learning and techniques. Knowledge of concepts does no good without knowledge of the technique for applying the concepts. Math must be learnt in sequence and it must be taught in sequence. Problems can arise for students who miss part of the sequence. Approaches to mathematics education like the approaches to all the other areas of education changes to reflect new thinking and new needs of the society. Mathematics books for kindergarten often contain no instructions because the pupils cannot read well enough. Instead the teachers give all the instructions. The teachers have to stoop down to the level of the class and explain concepts as if she is one of them sitting there. Concepts should be explained in simple language for the children to understand. Students are taught to keep track of numbers by matching real objects that have been placed in two different groups called sets. There will be exactly one object in one set for each object in the second. Because of the exactness, the learning process is called one to one matching in one to one correspondence. The children of course are not expected to learn these te...