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万以内数的认识 ( 练习课)

苏教版国标本小学数学三年级上册. 万以内数的认识 ( 练习课). 执教:李 怡. 万以内数的读法. 从高位起,按数位顺序读,. (1) 千位上是几就读几千,百位上是几就读几百, 十位上是几就读几十,个位上是几读作几。. (2) 中间有一个 0 ,读作零;中间连续有两个 0 , 只读一个零。. (3) 末尾不管有几个 0 ,都不读。. 四. 千. 十. 0. 5804. 1200. 3194. 9000. 10000. 1380. 万以内数的写法. 从高位起,按数位顺序写,. 几千就在千位上写几,几百就在百位上写几,

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万以内数的认识 ( 练习课)

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  1. 苏教版国标本小学数学三年级上册 万以内数的认识 ( 练习课) 执教:李 怡

  2. 万以内数的读法 从高位起,按数位顺序读, (1)千位上是几就读几千,百位上是几就读几百, 十位上是几就读几十,个位上是几读作几。 (2)中间有一个0,读作零;中间连续有两个0, 只读一个零。 (3)末尾不管有几个0,都不读。

  3. 千 十 0 5804

  4. 1200 3194 9000 10000 1380

  5. 万以内数的写法 从高位起,按数位顺序写, 几千就在千位上写几,几百就在百位上写几, 几十就在十位上写几,几就在个位上写几。 中间或末尾哪一位上一个也没有,就用0来占位。

  6. 200 6000 10000 3600 4000 5000

  7. 1000 3000 3000

  8. 1000 3000 3000

  9. 〉 〈

  10. 万以内数的比较 位数不同:位数多的数就大,位数少的数就小。 位数相同:先比最高位,最高位上大的数就大;最高位相同,再比较下一位,直到比出数的大小为止。

  11. 3 6 0 7 8 1 9 2

  12. A. 996 997 998 ( ) ( ) ( ) B. 2060 2070 2080 (   )(   )( ) C. 5600 5700 5800 ( )( )( ) D. ( )(    ) 80009000 10000 7、找规律数数 1001 999 1000 2100 2110 2090 6000 6100 5900 6000 7000

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