当前位置：首页>小学教材>2026春小学新教材北师大版数学二下教师教学课件PPT教案备课资料(可下载)

2026春小学新教材北师大版数学二下教师教学课件PPT教案备课资料(可下载)

  • 2026-04-08 01:09:54
2026春小学新教材北师大版数学二下教师教学课件PPT教案备课资料(可下载)
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学习目标

1.能从情境图中提取信息，知道同一个问题可以有不同的解法。2.掌握100以内的连减的计算方法，体验计算方法的多样化。(重点)3.理解用竖式计算连减的算理，在学习活动中获得成功的体验。(难点)

探索新知

100以内数连减的计算方法:

按照从左到右的顺序依次计算。

列竖式计算时，列两个竖式分步计算。个位上的数不够减，就从十位借

被减数连续减去两个减数，等于减去这两个减数的和。

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2026春小学新教材冀教版英语四下课本课堂笔记电子PDF版知识点诠释(可下载)

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  1. CONNECT:[ UseTime:0.000984s ] mysql:host=127.0.0.1;port=3306;dbname=c_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001361s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.001227s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000753s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001281s ]
  6. SELECT * FROM `set` [ RunTime:0.000779s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001480s ]
  8. SELECT * FROM `article` WHERE `id` = 457925 LIMIT 1 [ RunTime:0.000952s ]
  9. UPDATE `article` SET `lasttime` = 1775963256 WHERE `id` = 457925 [ RunTime:0.004256s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000594s ]
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0.187013s