What is the classification of the math card in Grade One?

Classification according to addition and subtraction.

Math score cards in Grade One can be classified in this way. According to addition and subtraction, one is addition and the other is subtraction, and it can also be classified according to the degree of difficulty.

One is simple and the other is difficult. It can also be classified according to the types of oral arithmetic, including carry addition, non-carry addition, non-abdication subtraction and abdication subtraction.

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