Special topic on addition and subtraction exercises within 20

For the second oral arithmetic exercise every day, the child can read the oral arithmetic problem aloud. It may be a little slow at first. You can do it a second or third time. At the same time, record the time of each exercise for comparison and continuous improvement of speed. After such reading and calculation training, children can become proficient enough to calculate quickly without thinking or memorizing formulas. It can also train children's reaction ability and calculation speed, and promote their high concentration of attention. On the other hand, during the process of children's rapid oral arithmetic, parents may wish to disrupt the order of the oral arithmetic questions, so that the children can flexibly use oral arithmetic methods according to different oral arithmetic questions, making the oral arithmetic reasonable, flexible and rapid, and gradually exercising the child's agility in thinking. sex.
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Special topic on addition and subtraction exercises within 20

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For the second oral arithmetic exercise every day, the child can read the oral arithmetic problem aloud. It may be a little slow at first. You can do it a second or third time. At the same time, record the time of each exercise for comparison and continuous improvement of speed. After such reading and arithmetic training, children can become proficient enough to calculate quickly without thinking or memorizing formulas. It can also train children's reaction ability and calculation speed, and promote their high concentration of attention. On the other hand, during the process of children's rapid oral arithmetic, parents may wish to disrupt the order of the oral arithmetic questions, so that the children can flexibly use oral arithmetic methods according to different oral arithmetic questions, making the oral arithmetic reasonable, flexible and rapid, and gradually exercising the child's agility in thinking. sex.