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二年级数学上册专项练习:填空选择题

  • 2026-11-07 15:16:51
二年级数学上册专项练习:填空选择题
人教版二年级数学上册专项练习:填空选择题

一、填空。1.1米=(     )厘米            

70厘米+30厘米=(  )米  37厘米+5厘米=(  )厘米       

23米-8米=(   )米

2. 6个3相加,写成乘法算式是(         ),这个式子读作(                  )

3. 在下面的(    )里最大能填几?(     )×6<27    (     )<3×7   4×(   )<15   35>7×(   )

4. 在算式4×7=28中,4是(      ),7是(   ),28是(     )。

5. 把下面的口诀补充完整。 八九(         )              (      )二十四 

6. 1米=(   )厘米     1米40厘米=(   )厘米

7. 3+3+3+6+3可以改写成乘法算式3×(   ),也可以改写成6×(   )。8. □×□=□×□=24  □×□=□×□=369. 在括号里填上“米”或“厘米”。

床长约2(   )       铅笔长约16(    )    跑道一圈长400(    )  

小明高1(   )40(    )

一条黄瓜长20(       )      

 教室长约8(       )

10. 在○里填上“>”、“<”或“=”,在○里填上“+”、“-”、或“×”。46+7○8×7      2×6○3×4     

36—9○5×5     90厘米○8米5○8=40          7○8=15         

6○8=48          8○5=3

11. 一个角有(    )个顶点,(    )条边。

12. 3个9相加的和是(    );3和9相加的和是(   );

13. 一个直角和一个锐角可以拼成一个(    )。

14. 积是18的口诀有(       )和(       )。15.有(     )个(     ),可以写成加法算式(                    ),也可以写成乘法算式(    )×(    )=(    ),读作(                 )(     )和(     )是乘数,积是(     )16. 用3、12、6、2编出四个乘法算式。17. 用7、1、3三个数字的其中两个组合成两位数,能写出(     )个两位数。其中最大的是(    ),最小的是(    )。

18. 钟面上有(    )个大格,有(    )个小格。

19. 要算53-(9+37),应先算                ,再算                得(   )。         

20. 3×7和7×3的积都是(   ),计算时可以用同一句口诀(         )。

21. 8×7比8×6的积多(   )。22.  7和8相加,和是(     )      

5个8相加的和是(    )56比24多(     )            

比45多17的数是(     )

40里面有(  )个5       

9×5表示(  )个(   )连加

23、3+3+3+3+3+2=(  )×(  )+2=(  )×(  )-13×5改成加法算式,可以是(      )也可以是(           )

24. 在   里填上“>”、“<”或“=”。1米()100厘米         2米30厘米()3米59 - 8()50            36 + 7()43 

25.  4只螃蟹有(    )条腿,4只鸡共有(    )只脚。6只蜻蜓有(    )条腿。

26. 100条1厘米长的线段一条接一条,接成一条长线段,这条长线段是(  )米。

27. 小明有两件颜色不同的上衣和两条颜色不同的裤子,他可以有(    )种不同的穿法。

28. 三个小朋友,进行乒乓球比赛,每两人进行一次,一共要进行(   )次比赛。

29. 小明、小红、小丽三人玩拍球比赛,三人拍球的次数分别是36下、35下、33下,小明拍的次数最多,小丽拍了33下,小红拍了(   )下。

30. 把“8+8+8+8+8”写成乘法算式是 (             )或 (                   )。31.(1)上面一共有(   )个   。(2)根据图写成加法算式是(           ),写成乘法算式是(           )。32. 一个乘数是8,另一个乘数是7,列成算式是(          ),读作(             )。

33.在○里填上“+、-、×、>、<或=”。4○9=36     3×4〇4×5    16+20○3540○4=36    2×2○2+2     2×8+8○8×3-8

34.(  )里最大能填几?(  )×8<65    (    )<5×9   30>5×(   )

35.填上合适的单位名称。一支彩笔长10(    )    

妈妈身高1(    )62(    )

36. 数一数,试一试。(2分)

  右图中有(    )条线段, 一共有 (   )个角,其中有(     )个直角。37. 画一条3厘米长的线段,一般应从尺的(   )刻度开始画起,画到(   )厘米的地方。38. 右面的图形中有(  )个角,其中有(  )个直角。

39.三个好朋友握手,每两人握一次,要握(      )次手。40.把下列各数按顺序排列。

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  1. CONNECT:[ UseTime:0.000534s ] mysql:host=172.18.0.4;port=3306;dbname=www_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000744s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000358s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000365s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000543s ]
  6. SELECT * FROM `set` [ RunTime:0.000269s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000571s ]
  8. SELECT * FROM `article` WHERE `id` = 540118 LIMIT 1 [ RunTime:0.000347s ]
  9. UPDATE `article` SET `lasttime` = 1794078810 WHERE `id` = 540118 [ RunTime:0.001419s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000354s ]
  11. SELECT * FROM `article` WHERE `id` < 540118 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000410s ]
  12. SELECT * FROM `article` WHERE `id` > 540118 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000343s ]
  13. SELECT * FROM `article` WHERE `id` < 540118 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000466s ]
  14. SELECT * FROM `article` WHERE `id` < 540118 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000586s ]
  15. SELECT * FROM `article` WHERE `id` < 540118 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000696s ]
0.087304s