大班科学《10以内的顺数倒数》PPT课件教案微课件.pptx
,10,9,1,2,3,4,5,6,7,8,顺 数,倒 数,5,2,3,4,10,1,9,8,6,7,4,1,2,3,5,6,7,8,9,10,顺数,倒数,4,1,2,3,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,1,2,3,4,5,6,7,8,9,10,考 考 你,10,8,5,3,1,9,7,6,4,2,火箭发射,火箭马上就要发射,请准备!,还剩下最后的10秒,请一起倒数:10、9、8、7、6、5、4、3、2、1,发射!,发射成功!,顺数,倒数,1,3,5,7,9,10,4,2,6,8,1,3,5,7,9,10,4,2,6,8,