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小学数学一下《数数、数的组成》星际课件

  • 2026-04-04 02:22:46
小学数学一下《数数、数的组成》星际课件

小学数学一下《数数、数的组成》星际课件

📂【配套资料】《数数、数的组成》—— 人教版数学一年级下册课件+教案

📖设计思路：本专题选取草莓、糖果、纽扣、小棒、方块等生活化直观素材，覆盖 100 以内数数、多样数数方法、数的组成三大核心内容，以 “动手操作” 为基础路径，以 “发展数感” 为核心目标，形成 “操作 — 探究 — 认知” 的逻辑关联。

💫教学环节
课件以数字星球寻宝情境导入，先复习数数激活旧知；再探究 100 以内数的数法、数的组成，开展小组数方块合作活动；接着课堂练习巩固，师生小结收获；最后鼓励学生并布置生活数数、亲子数数的分层作业。

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#小学数学 #小学数学一年级 #小学数学老师 #PPT课件 #小学数学备课

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  1. CONNECT:[ UseTime:0.001021s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001533s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000689s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000635s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001367s ]
  6. SELECT * FROM `set` [ RunTime:0.000633s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001476s ]
  8. SELECT * FROM `article` WHERE `id` = 488433 LIMIT 1 [ RunTime:0.001018s ]
  9. UPDATE `article` SET `lasttime` = 1775674328 WHERE `id` = 488433 [ RunTime:0.039860s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000869s ]
  11. SELECT * FROM `article` WHERE `id` < 488433 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001240s ]
  12. SELECT * FROM `article` WHERE `id` > 488433 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.001169s ]
  13. SELECT * FROM `article` WHERE `id` < 488433 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002257s ]
  14. SELECT * FROM `article` WHERE `id` < 488433 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002011s ]
  15. SELECT * FROM `article` WHERE `id` < 488433 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001730s ]
0.219846s