1 / 7

小 数 乘 法

小 数 乘 法. 高邮市第一实验小学 吴鑫. 夏天. 冬天. 每千克 2.35 元. 每千克 0.8 元. （ 1 ）夏天买 3 千克西瓜要多少元？. （ 2 ）冬天买 3 千克西瓜要多少元 ？. 因数几位小数. 积有几位小数. 0 . 8 × 3= 2 . 4. 2 . 35 × 3= 7 . 05. 4 . 76 ×12=. 57 . 12. 2 . 8×53=. 148 . 4. 竖式计算. 46 ×1 . 3=. 0 . 18 ×5=. 148×23 =3404. 340 . 4.

euclid
Download Presentation

小 数 乘 法

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 小 数 乘 法 高邮市第一实验小学 吴鑫

  2. 夏天 冬天 每千克 2.35元 每千克 0.8元 （1）夏天买3千克西瓜要多少元？ （2）冬天买3千克西瓜要多少元？

  3. 因数几位小数 积有几位小数 0 . 8 × 3= 2 . 4 2 . 35 × 3= 7 . 05 4.76×12= 57.12 2.8×53= 148.4

  4. 竖式计算 46×1.3= 0.18×5=

  5. 148×23 =3404 340. 4 14.8 × 2 3 = 1 4 8 × 2 3 = 34. 04 1 4 8 × 2 3 = 3. 404 1 4 8 × 2 3 =0. 3404

  6. 高邮、仪征相距103.8千米 汽车的油箱里有25千克汽油，每千克汽油可供汽车行驶6.8千米。从仪征到高邮，油够吗？ 170（千米） 6.8×25= 170> 103.8 答：从仪征回高邮，油够了。

  7. 今天学会了什么？ 有什么收获？

More Related