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(1)学生动手操作。第一行摆10个△,第二行摆6个○。 (2)问:△和○谁多谁少?△哪一部分是和○同样多?△哪一部分是比○多的?先同桌学生互相指,再让学生上来指。 指着图启发学生想:△可以分成哪两部
(1) Students hands-on operation. The first row of 10 △, the second row of 6 ○. (2) Q: △ and ○ who is more or less? △ which part is the same as ○ ○ which part is more than ○ first refer to the same table students refer to each other, then let the students come up. Pointing to the map inspired students want: △ which can be divided into two