小数加减法口算练习题
小数加减法练习题及答案.docx
小数加减法练习题及答案7.4+12. 8620 - 5.67141.2 - 48.98102+4. 362. 15 - 27.412. 9+5. 019. 46 - 15. 75+0. 65 -2. 75+3. 365. 71 - 4. 912. 42+0. 480. 56+11. 53444 - 22. 1391 - 22.03552. 6+21. 2379.15 - 2. 183.85 - 1. 5+1. 32,15. 4+6. 873.56+27. 84100 - 82. 13=17. 85. 9+28. 65 - 16. 57=17. 98；123. 56 - 47. 9+51. 7=127. 367. 5 - 3. 25 - 16. 75,2.7+3. 1+2. 9+3. 2 , 8. 42+19. 482. 56+3. 1281 - 30. 715. 6 十0. 23148. 2 - 25. 62 - 24. 38. 52 - 0. 74 - 0. 261)6.02+3. 6+1. 9832) 1. 29+3. 7+2. 71+6. 333) 3. 07 - 0. 38 - 1. 6234) 3.25+1.79 - 0. 59+1.75 7. 5+4. 9 - 6. 135)14. 8+7. 9 - 4. 836) 2. 608+2. 841.5 - 0. 30120 - 17. 83 -2. 17,76. 8+26. 817. 17 - 6. 8 - 3. 2 - 6. 17102. 07 - 37. 2548. 64+18. 64. 75 - 5. 25 -14. 75, . 68+14. 79+5. 32 - 10. 79, 48. 9 - 12. 7 - 0. 3, 6. 4 -39. 7+24. 3, .6 - 2. 8+3. 4 - 7. 2, 1) 73. 8 - 1. 64 - 13. 8 - 5.3652) 6. 75 -53)27. 38 - 5. 34+2. 62 - 4. 6654)35. 72 - 4. 9 - 55) 0. 73 - 0. 25 - 0. 73+0. 2556) 5. 3+0. 1+5. 3 - 0. 157)12. 7 - 4. 8 - 5. 2.—、1、口算。
小数加减法的练习题口算
小数加减法的练习题口算一、简单小数加法1. 0.3 + 0.7 =2. 1.2 +3.8 =3. 2.5 +4.5 =4. 3.6 + 6.4 =5. 0.4 + 0.6 =二、简单小数减法1. 5.62.1 =2. 8.93.4 =3. 7.24.7 =4. 9.8 6.3 =5. 6.5 1.9 =三、小数加法进位1. 4.9 + 5.7 =2. 6.8 + 7.2 =3. 8.3 +4.6 =4. 9.5 + 2.4 =5. 7.1 +6.8 =四、小数减法退位1. 9.3 4.8 =2. 8.63.9 =3. 7.4 5.7 =4. 6.2 2.5 =5. 5.8 4.2 =五、混合小数加减法1. 2.5 + 3.8 1.6 =2. 4.7 2.3 + 1.9 =3. 6.4 + 2.24.8 =4. 8.15.5 + 3.7 =5. 7.9 + 4.66.2 =六、多位小数加减法1. 12.34 + 56.78 =2. 23.45 67.89 =3. 34.56 + 78.90 =4. 45.67 89.01 =5. 56.78 + 90.12 =七、连续小数加法1. 0.1 + 0.2 + 0.3 =2. 0.4 + 0.5 + 0.6 =3. 0.7 + 0.8 + 0.9 =4. 1.1 + 1.2 + 1.3 =5. 1.4 + 1.5 + 1.6 =八、连续小数减法1. 1.0 0.9 0.8 =2. 2.0 1.9 1.8 =3. 3.0 2.9 2.8 =4. 4.0 3.9 3.8 =5. 5.0 4.9 4.8 =九、小数加法与整数混合1. 2.3 + 4 =2. 5.6 + 7 =3. 8.9 + 10 =4. 3.4 + 6 =5. 7.8 + 9 =十、小数减法与整数混合1. 92.5 =2. 83.6 =3. 74.7 =4. 6 1.8 =5. 10 5.2 =十一、复杂小数加减法混合1. 5.78 +2.34 4.56 =2. 6.893.21 + 1.23 =3. 7.65 +4.32 6.78 =4. 8.435.67 + 2.89 =5. 9.12 + 3.45 7.89 =十二、小数加减法应用题1. 小明有3.5元，他又赚了2.8元，现在他有多少元？2. 小华有8.6元，他花了4.2元，他还剩下多少元？3. 小李的体重是45.6公斤，他增加了3.4公斤，现在他的体重是多少？4. 小王的身高是1.75米，他弟弟比他矮0.12米，他弟弟的身高是多少？5. 一本书的价格是12.5元，书店打了8折，现在这本书的价格是多少？答案一、简单小数加法1. 1.02. 5.03. 7.04. 10.05. 1.0二、简单小数减法1. 3.52. 5.53. 2.54. 3.55. 4.6三、小数加法进位1. 10.62. 14.03. 12.94. 11.9四、小数减法退位1. 4.52. 4.73. 1.74. 3.75. 1.6五、混合小数加减法1. 6.72. 6.73. 3.84. 6.35. 6.3六、多位小数加减法1. 69.122. 44.443. 113.464. 43.345. 146.9七、连续小数加法1. 0.62. 1.53. 2.64. 3.6八、连续小数减法1. 0.32. 0.33. 0.34. 0.35. 0.3九、小数加法与整数混合1. 6.32. 12.63. 18.94. 9.45. 16.8十、小数减法与整数混合1. 6.52. 4.43. 2.34. 4.25. 4.8十一、复杂小数加减法混合1. 3.562. 6.03. 3.194. 6.65十二、小数加减法应用题1. 6.3元2. 4.4元3. 49.0公斤4. 1.63米5. 10.0元（打8折后的价格是10元）。
口算题 (简单的小数加减法) 练习题
练习范围：简单的小数加减法题数：100月日姓名: 分秒成绩:17.6 + 0.1 = 12.8 - 4.8 = 9 + 1.2 =9 - 0.6 = 0.7 + 2.6 = 0.2 + 0.2 = 11.8 - 3.7 = 6.9 + 3.6 = 1.7 + 9.9 = 17.7 - 1.6 = 9 + 4.3 = 6.7 + 6.8 = 7 - 6.3 = 5 - 4.5 = 11.5 - 6.8 = 10.1 + 6.1 = 10 - 6.5 = 10.4 - 9.1 = 10.3 - 7.3 = 15 + 0.2 = 5.4 + 7.4 = 2 + 7.3 = 8.6 + 4.1 = 12.3 + 3.1 = 6.5 + 5.2 = 13 + 4.6 = 2 - 1.3 =6 + 9.9 = 10.8 - 6.3 = 16 + 2.9 = 6 - 0.3 = 12.8 - 2.1 = 5.9 - 5.3 =4.1 - 0.4 = 5 + 0.7 = 5 - 1.7 =5 - 1.2 = 10 - 1.4 = 10 + 1.1 = 10 - 7.4 = 5 + 4.9 = 8.8 - 5.5 = 12.6 + 0.2 = 6.1 + 2.4 = 0.6 + 6.3 =14 + 0.2 = 10 - 6.3 = 2 + 2.9 =9 + 4.4 = 10.1 - 2.1 = 7 + 8.3 =10.5 + 2.7 = 9.8 - 7.9 = 2 - 0.9 =12 + 1.5 = 10 - 9.4 = 1 + 3.5 = 9.5 - 2.3 = 1 + 6.9 = 14.1 - 6.5 = 14.1 - 2.5 = 9.5 + 3.9 = 12.1 + 6.7 = 11.4 - 7.1 = 10 + 3.5 = 8.2 + 4.3 = 6 - 1.4 = 0.2 + 6.8 = 3.7 - 0.4 = 2 + 1.2 = 7.5 + 2.3 = 3.3 + 9.8 = 11 + 3.9 = 9 - 2.1 = 9.4 + 6.4 = 3.8 - 0.3 = 0.6 + 6.4 = 5.5 + 5.1 = 6 - 2.1 = 0.9 + 4.5 = 9.3 - 1.4 = 4.7 + 6.2 = 15.7 + 4.1 = 7 - 2.9 = 7.1 - 0.1 = 8 + 7.8 = 2.8 + 1.5 = 5.7 + 1.6 = 8.6 + 5.7 = 1 + 9.3 =8 - 5.9 = 2 + 2.8 = 5 + 7.8 = 15 + 4.2 = 4 - 0.4 = 12 + 5.1 =9 - 0.8 = 5.1 - 4.9 = 10 + 0.2 =10.8 - 5.2 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:4.6 + 1.6 =5.9 - 5.3 = 13.7 - 7.6 = 8 - 2.1 = 6 - 5.4 = 7.8 - 1.3 = 10 + 8.1 = 4 + 3.1 = 5.8 + 2.7 = 7.1 + 3.7 = 13.4 - 2.4 = 9.7 + 5.3 = 7.5 - 3.9 = 10 - 7.4 = 1 + 9.9 = 7 + 5.1 = 8.8 -6.6 = 8.2 + 6.9 = 9.5 -7.5 = 17.9 - 0.5 = 4.1 + 6.4 = 14 + 0.9 = 11 + 2.8 = 5 + 0.3 = 19.6 - 0.9 = 3 +8.8 = 11.1 + 6.1 = 5.4 + 7.4 = 15 + 4.2 = 9 + 4.4 = 5 + 0.7 = 2 - 0.7 = 9 + 1.9 = 14.3 + 3.3 = 8 - 6.2 = 9 - 1.4 = 17.2 + 0.7 = 4.7 + 6.2 = 9 + 3.7 = 9 - 1.7 = 10 -9.4 = 0.7 + 2.6 = 4 - 1.1 =17 + 2.7 =2 + 1.4 =0 + 6.2 = 7.5 + 2.3 = 17.2 - 2.5 = 9.9 - 5.3 = 12.1 - 1.2 = 2 + 2.3 = 17.7 - 1.6 = 14.1 - 2.5 = 18.3 - 8.8 = 9.8 - 7.9 = 11 + 3.9 = 12.1 + 1.7 = 9 + 7.7 = 17.7 - 4.9 = 10 - 3.6 = 7 + 0.7 = 10.2 - 7.6 = 10 + 6.8 = 9 + 0.3 = 19.9 - 5.2 = 3.7 - 0.4 = 11.4 + 1.9 = 3 - 0.2 = 6.7 + 6.8 = 10.1 - 0.1 = 10.4 - 9.1 = 5 + 4.9 = 12.6 + 0.2 = 3 + 1.1 = 7 + 2.7 =7 - 0.3 = 10.8 - 6.3 = 0 + 0.6 = 12.2 + 6.6 = 3.3 + 9.8 = 3.1 - 0.5 = 4.7 + 2.8 = 9.7 + 1.3 = 6.9 + 2.1 = 9 - 2.1 = 10 - 4.2 = 4.7 + 7.1 = 13.8 - 5.2 = 7.3 + 4.2 = 9.2 - 8.4 = 2 - 1.3 = 8.4 - 4.6 = 13.9 + 3.4 = 2 - 0.9 = 12 + 2.3 = 10 + 3.5 = 4 + 5.7 = 9.7 - 7.6 = 4.5 + 4.5 = 2 + 1.2 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:13.6 + 2.7 = 7.5 + 5.6 = 8 - 5.8 = 10.4 + 7.3 = 5 - 2.1 = 3 - 2.8 = 8 - 6.6 = 1.9 + 5.6 = 10.2 - 6.6 = 13 + 1.2 = 16.9 - 1.3 = 12 + 5.4 = 15 + 3.7 = 4 + 5.7 = 17.6 - 5.9 = 11.8 - 6.1 = 10 - 8.8 = 4.4 + 0.3 = 9 + 2.5 = 15 + 0.1 = 16.3 - 4.5 = 5.7 + 7.4 = 13 + 1.8 = 11.2 + 0.6 = 1.5 + 4.5 = 8 - 2.1 = 7.2 - 2.8 = 11.2 - 6.3 = 11.9 - 2.2 = 9 - 6.6 = 6.8 - 4.1 = 5 + 7.4 = 10 - 0.8 = 6.4 - 4.2 = 6.7 + 4.4 = 14 + 0.2 = 15.8 - 2.5 = 9 + 1.6 = 16 + 3.6 = 17 + 1.6 = 16.2 - 2.8 = 9.7 - 8.5 = 1.2 + 9.8 =7 - 3.7 =5 - 3.5 =13.4 - 8.4 = 6.6 + 2.6 = 6 + 2.2 =4 - 3.4 = 3.4 - 0.2 = 14.1 + 1.7 = 11 + 8.8 =5 + 6.1 = 18 + 1.1 = 10 - 4.3 = 4 + 2.2 = 2.7 + 0.8 = 3.8 + 9.1 = 10 - 3.3 = 10 - 7.9 = 10 - 2.8 = 4 - 1.5 = 10.5 + 2.3 = 10 + 5.4 = 19.4 + 0.2 = 18.5 + 0.4 = 6.7 - 0.7 = 2 - 1.7 = 0.9 + 0.1 =10 - 5.8 = 6.2 - 1.4 = 9.7 - 9.6 =11 + 4.7 = 15 + 3.3 = 2.3 - 0.1 = 6 - 1.6 = 16.7 - 1.7 = 3 + 3.2 = 8.5 - 5.9 = 18.8 - 4.1 = 8 - 0.8 =7 - 4.9 = 3.5 + 5.8 = 0.8 + 3.8 = 13 + 4.3 = 9 - 3.4 = 11 + 5.8 = 10 - 8.2 = 12.9 - 7.7 = 10 + 7.5 = 1 - 0.2 = 5 - 4.5 = 6 - 5.1 = 15.1 + 0.9 = 5 + 6.9 = 16 + 1.2 = 11 + 1.6 = 8 - 4.3 = 4.2 + 9.5 = 10 + 7.7 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:12.7 + 3.3 = 0 + 2.1 = 9 - 2.1 = 15 + 4.2 = 4.6 + 1.6 = 9.8 - 7.9 = 10.8 - 6.3 = 13.6 - 1.7 = 9 - 5.8 = 15 + 0.9 = 3 + 3.9 = 0 + 7.2 = 9.6 - 7.4 = 3 - 0.6 = 9 - 1.9 = 7 - 6.3 = 1 + 6.9 = 9 + 0.3 = 0.2 + 5.3 = 3 + 7.4 = 10.8 - 5.2 = 9 - 7.5 = 12.6 + 7.1 = 10 + 4.4 = 16.5 - 9.3 = 9 - 1.6 = 4.6 + 5.5 = 0.2 + 6.8 = 7.1 + 8.1 = 5 + 9.7 = 4 + 2.6 = 6 - 4.6 = 2 + 1.4 = 5.1 - 4.9 = 7 - 0.9 = 12.6 + 0.2 = 0.6 + 6.4 = 14 + 2.2 = 2 + 8.9 = 4 - 0.4 = 6.7 + 6.8 = 11.3 - 9.2 = 5 + 1.6 =5 + 4.9 =15.8 - 4.8 =2.8 + 1.5 = 5.9 - 5.3 = 2 - 1.3 =6 - 1.4 = 13.4 - 2.4 = 0.7 + 2.6 = 10 + 0.2 = 13.9 + 3.4 = 11 + 2.4 = 8.7 - 0.1 = 9 - 1.1 = 6 + 9.1 = 19.4 - 7.3 = 17.7 - 1.6 = 12.8 + 6.5 = 9.7 + 1.3 = 19.7 - 6.3 = 0 + 7.4 =3 + 6.7 = 11 + 3.9 = 10 - 6.9 = 13 + 4.6 = 8 - 6.7 = 5 + 8.1 =9 - 1.4 = 10 + 3.8 = 8.6 + 4.1 = 3.8 - 0.3 = 5 - 0.7 = 0.4 + 3.4 = 5 + 6.1 = 4.3 + 8.8 = 10 - 7.4 = 2.4 + 7.1 = 18.3 - 8.8 = 2 - 1.5 =1 + 6.7 = 15 + 0.2 = 11.1 + 6.1 = 19 + 0.3 = 14.6 + 4.1 = 2 - 0.6 = 17.2 - 6.7 = 9 - 7.9 = 8 - 5.9 =3 + 1.8 = 13.4 + 3.4 = 19.6 - 7.9 = 6 - 3.3 = 17.4 - 4.8 = 17.7 - 3.7 =5 + 6.3 = 5 - 4.5 = 10 - 9.2 = 14 + 0.2 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:1.3 + 3.5 = 9 - 3.2 = 14.1 + 1.7 = 9 - 6.7 =2.6 - 0.9 = 18.2 - 4.5 = 9 -3.4 = 10.2 - 3.6 = 5 + 9.6 = 6 - 3.8 = 10.5 - 8.5 = 6.6 + 7.4 = 7.7 + 9.8 = 17.8 - 9.2 = 8.6 - 7.3 = 5.3 - 2.2 = 9 + 6.1 = 18.3 - 3.6 = 8 - 5.6 = 2.8 - 0.7 = 6 - 2.2 = 10 + 6.3 = 16.4 - 5.2 = 3 + 5.8 = 2.4 - 1.8 = 11 + 1.4 = 15 +4.1 = 11.7 - 6.6 = 7.4 + 0.3 = 9 + 7.9 = 1 + 2.8 = 2.4 + 4.2 = 16 + 0.2 = 7 - 4.3 = 8.7 - 2.3 = 8 - 4.9 = 16.6 - 1.6 = 12 + 4.8 = 10 + 8.5 = 2 +5.7 = 17.2 - 4.7 = 0.8 + 0.5 = 1.8 +6.1 =11.7 + 4.1 =8 - 0.2 =3 - 1.4 = 6.6 - 6.5 = 3.1 + 2.2 = 16.3 + 0.1 = 11.9 - 7.1 = 8 - 0.7 = 7.5 - 3.8 = 3 + 1.9 = 8 + 8.8 = 10 - 0.7 = 2 - 0.1 = 1 + 4.1 = 0.1 + 3.7 = 5.6 + 8.2 = 5.4 + 6.3 = 8.8 + 7.8 = 5.3 + 5.6 = 15.4 - 0.2 =5.6 - 2.1 = 12.1 + 7.9 = 12 +6.6 =6.8 + 4.3 = 4.8 - 2.6 = 3.8 + 1.6 =8.9 + 0.5 = 11 + 1.6 = 9 + 9.2 =9.6 + 5.5 = 17.8 - 2.2 = 11.9 - 3.1 = 5.2 + 9.3 = 5 - 4.2 = 6 + 0.8 = 3.8 + 4.6 = 12 + 3.2 = 11.7 + 3.9 = 8.6 - 8.4 = 9.3 + 0.1 = 6 + 8.6 =4 + 4.5 = 10 - 0.5 = 1.5 + 7.8 = 17.6 - 6.3 = 9.5 - 7.8 =7 - 6.1 =4 - 1.4 = 9 + 8.2 = 7 - 5.9 =1 + 6.4 = 17.8 - 2.7 = 4 - 1.1 =2 - 0.3 = 3.8 - 2.5 =4 - 3.2 =7 - 0.5 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:7 - 0.3 = 7 + 7.7 = 3 - 1.5 = 7.7 + 1.9 = 16 + 2.2 = 7 + 1.6 = 2 + 7.7 = 0.7 + 2.3 = 1.1 + 8.3 = 5 - 3.6 = 1 + 3.2 = 2.4 + 6.4 = 9 - 8.9 = 13.3 - 2.6 = 3 - 1.9 = 8.3 + 7.8 = 2.9 - 0.1 = 8.8 - 6.2 = 6.2 - 5.1 = 9 + 4.8 = 4 + 7.9 = 9.5 - 7.9 = 14.7 + 1.8 = 4.9 + 5.6 = 6 - 4.9 = 4.6 + 3.5 = 7 - 0.9 = 9 - 5.5 = 16.2 - 3.2 = 5 - 0.8 = 18.8 - 2.3 = 0.3 + 2.2 = 0.7 + 1.1 = 11.1 - 9.2 = 4 - 3.2 = 6.4 + 2.7 = 10 - 8.9 = 17.5 - 7.2 = 9 - 4.8 = 3.3 + 0.3 = 10 - 6.3 = 7.9 + 1.2 = 1 + 3.9 =7 + 3.9 =3 + 0.2 =6.1 - 5.2 = 4 + 0.2 = 2 + 5.7 = 15.2 - 0.6 = 5 + 3.2 = 7 + 9.5 = 19.4 - 4.6 = 15 + 3.2 = 16.1 - 3.8 = 16.7 + 1.8 = 8.7 - 1.7 = 7 - 5.8 = 6.6 - 3.4 = 6 +7.4 = 18.9 - 0.8 = 8.5 + 1.9 = 10 - 3.8 = 3 + 4.4 = 17.9 - 2.8 = 10 - 3.4 = 4.5 + 3.4 = 17 + 2.4 = 4.6 + 0.9 = 8 - 3.6 = 11 + 2.7 = 11 + 0.6 = 9 - 6.2 = 10.6 - 1.8 = 10.8 + 3.8 = 5 - 1.3 =9 - 2.8 = 5.9 + 6.4 = 2.5 + 3.8 = 7.6 - 0.9 = 3 + 2.9 = 10 + 1.7 = 2.8 + 8.3 = 10.3 + 2.8 = 16 + 3.4 = 5 - 1.7 = 7.3 + 3.6 = 7 - 1.3 =8 + 4.5 = 8 - 4.5 = 13 + 1.2 = 19.9 - 4.2 = 14.6 - 3.4 = 10 + 0.5 = 12 + 7.5 = 13.9 - 0.2 = 8.7 + 3.5 = 5 + 0.6 = 16.3 - 9.6 = 0 + 7.6 = 11.9 - 4.4 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:4 + 3.1 = 9.9 - 5.3 = 1 + 3.5 = 0.3 + 0.9 = 17.5 - 9.7 = 5.9 - 5.3 = 7 - 6.3 = 5 - 3.6 = 16.5 - 9.3 = 10 - 4.4 = 12.8 - 4.2 = 4.6 - 1.1 = 10 + 6.8 = 3 + 5.1 = 10.7 + 6.6 = 6 - 5.4 =8 - 7.8 =9 - 0.4 = 11 + 1.2 = 9 + 1.9 = 8 - 2.5 = 8 - 4.5 = 4.9 - 3.2 = 14.1 + 4.2 = 5 + 8.1 = 2 - 1.3 = 2 - 0.9 = 3 - 2.8 = 10.4 - 9.1 = 2 + 1.5 = 10 - 1.4 = 5 + 0.7 = 17.4 - 6.9 = 5 + 4.9 = 7 + 8.3 = 9 + 3.8 = 14 + 0.2 = 0 + 2.8 = 10.9 - 0.3 = 12.9 - 4.7 = 12.7 + 3.3 = 13.7 - 7.6 = 9.2 - 4.3 =4 - 0.4 =1 + 6.1 =17.3 - 7.4 = 3.3 + 9.8 = 5 - 4.9 =1 - 0.4 = 4 - 1.7 = 13.4 - 2.4 = 3.7 - 0.4 = 8 - 1.9 = 6.7 + 6.8 = 9 + 0.3 =2 - 0.2 = 14 + 3.6 = 11.1 + 6.1 = 9 + 4.4 = 6 - 2.9 =5 - 4.5 = 12 + 1.5 = 1.5 - 0.8 = 9.8 - 7.9 = 17.4 - 4.5 = 0.2 + 6.8 = 8 - 6.2 = 10 + 3.5 = 11.7 - 1.3 = 11.3 - 1.1 = 13.1 - 4.9 = 11.3 - 5.3 = 13.6 - 3.4 = 8 + 6.6 = 18.7 - 4.3 = 12.4 - 6.5 = 10 + 9.4 = 3 - 1.1 = 7.5 + 2.3 = 0.7 + 2.6 = 6 - 5.2 = 13 + 5.9 = 12.7 + 0.2 = 2 + 1.2 = 9.7 + 1.3 = 17 + 0.9 = 19.9 - 5.2 =13.9 + 3.4 = 2 - 1.2 = 0 + 8.5 =14.4 + 0.2 = 13 + 4.3 = 7 + 0.7 = 12.6 + 0.2 = 9.3 - 1.4 = 17.7 - 1.6 = 9.1 + 7.4 = 14.6 + 2.5 = 10 - 3.6 = 7.2 + 6.7 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:8 - 1.2 = 17.2 - 6.3 = 10 + 2.3 = 11.5 - 8.3 = 10.5 + 2.6 = 4 + 7.2 = 6 + 6.3 = 8 + 3.5 = 9.1 + 7.3 = 0.1 + 1.9 = 15.3 - 8.9 = 7 - 1.4 = 8 - 6.2 = 4 + 8.1 = 10.3 - 3.9 = 3.7 + 5.6 = 3 + 8.8 = 10.5 - 9.5 = 8 + 2.7 = 3 + 5.3 = 3.2 + 8.1 = 16.4 - 6.6 = 10 + 1.5 = 4 - 3.5 = 9 - 0.2 = 3 + 4.9 = 5.2 + 8.2 = 10 - 8.1 = 9 - 4.8 = 15.5 - 2.8 = 2 - 0.7 = 9 + 1.1 = 2.9 + 7.1 = 17.1 - 2.8 = 8 - 6.8 = 3 + 8.9 = 1 + 2.4 = 12.5 + 7.4 = 9 - 7.7 = 0 + 4.6 = 9 - 8.6 = 19.9 - 2.2 = 18.5 - 0.4 =7 - 5.6 =15.4 + 1.6 =2 + 8.7 = 11.7 + 7.6 = 8.2 - 7.4 = 12.4 + 7.6 = 10 + 0.8 = 9 - 2.4 =8 - 1.1 = 13 + 4.8 = 6 - 2.1 = 3.1 + 0.6 = 10 + 4.7 = 9.4 - 2.8 = 9.1 - 6.7 = 3 + 6.9 = 5 - 0.3 =4 - 2.1 = 6.7 - 3.6 = 6 + 9.8 = 14.5 - 6.8 = 0.1 + 2.1 = 14.2 - 3.8 = 9.1 + 9.3 = 7.9 - 6.7 = 2 + 8.4 = 15.5 - 7.5 = 16.7 - 2.2 =6 + 1.8 = 7.3 + 4.5 = 15.2 + 4.5 = 19.5 - 7.9 = 10 + 5.8 = 10 - 5.5 = 8 + 1.3 = 8.6 - 6.2 = 13 + 3.2 = 1 - 0.2 = 19.6 - 5.7 = 1 + 7.9 = 2.5 + 0.7 =8 + 0.8 = 7.9 - 6.6 = 18.5 + 1.5 = 7 - 6.6 = 9.1 + 2.9 = 9.5 + 1.5 = 10 - 2.5 = 9 - 0.8 = 8.6 - 4.4 = 6 - 3.8 = 8 - 0.3 = 4 + 3.8 =6 - 0.4 = 4.7 + 6.9 = 11.9 - 1.2 = 18 + 0.4 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:4 - 3.1 = 3.5 + 4.7 = 17.4 - 3.1 = 10.9 - 7.1 = 18 + 1.4 = 8 - 1.4 = 9.5 + 6.6 = 8.2 + 9.2 = 6 - 0.2 = 0.1 + 1.7 = 13.5 + 1.8 = 3 + 6.9 = 1.2 + 1.8 = 9.8 + 6.3 = 1 + 0.3 = 6 - 2.6 = 4 + 0.2 = 1.7 + 6.5 = 4.2 + 3.4 = 5 + 9.9 = 9.3 - 1.5 = 7 + 7.7 = 10.9 + 0.5 = 4 - 0.3 = 9 + 5.1 = 6 - 4.8 = 9 - 2.1 = 14.8 + 4.6 = 5 + 7.2 = 16.6 - 7.5 = 17 + 0.9 = 18 + 1.7 = 8 + 8.3 = 1 + 6.1 = 9.8 + 4.2 = 11.1 - 8.3 = 0.3 - 0.1 = 10 - 3.7 = 8.6 + 2.2 = 10 - 7.8 = 6 - 0.6 = 5.9 + 0.9 = 17.2 - 7.6 =0.3 + 9.4 =10.3 + 4.7 =16.1 - 2.6 = 6 + 7.4 = 8 - 0.4 = 12.8 + 2.2 = 9 - 8.9 = 6 + 9.9 = 16 + 0.9 = 15.8 + 2.8 = 8 - 4.5 =0 + 0.9 = 7 - 4.2 = 1.5 + 5.3 = 14.9 - 7.7 = 1 + 2.5 = 8 - 6.4 =6 + 6.1 = 11.8 - 9.3 = 4.4 + 6.4 = 2 + 5.6 = 14 + 5.1 = 9 - 3.7 = 4.8 + 0.6 = 3.5 + 9.6 = 10.9 - 8.7 = 9.1 + 4.3 = 11 + 8.8 = 2.4 - 1.5 = 14.7 + 3.9 = 5 - 4.6 = 4 - 0.4 = 18.2 - 9.3 = 8.3 + 1.4 = 17.8 - 0.8 = 3 + 3.8 = 17.4 + 1.3 = 6 + 6.9 = 12 + 3.8 = 14.5 - 0.6 = 10.9 + 6.9 = 10 - 7.1 = 14.2 - 6.2 = 9 - 5.8 =7 + 4.6 = 4 - 0.6 = 2.8 - 1.5 = 12 + 1.6 = 5.3 + 5.2 = 9.6 + 0.9 = 6 - 3.7 = 11 + 1.8 = 15.8 - 3.7 = 11.1 - 1.7 = 4 + 1.8 = 9.4 + 3.2 = 10 - 5.7 =月 日 姓名:分秒练习范围：简单的小数加减法 题数：100成绩:1.2 - 0.5 = 10 - 4.6 = 1 + 9.7 = 3 - 1.7 = 10 + 5.9 = 8 - 6.3 = 14 + 4.6 = 10.6 - 4.7 = 10 - 5.2 = 10.1 + 1.5 = 8.6 +2.4 = 9 - 6.4 = 7 - 0.5 = 7 - 6.4 = 9.5 - 1.4 = 8.4 - 2.7 = 19 + 0.8 = 5 - 0.8 = 2.9 + 1.6 = 4.3 - 2.4 = 5 + 7.7 = 14.2 + 5.4 = 6.8 + 5.6 = 12.2 - 1.3 = 13.2 - 3.2 = 18.2 - 0.3 = 6.5 + 0.8 = 8.1 + 0.7 = 11.2 - 6.7 = 2 + 0.4 = 7 - 1.5 = 2.8 +4.2 = 6.2 + 6.1 = 2 + 6.4 = 3 - 2.9 = 17.2 - 1.5 = 6 - 0.9 = 2.9 + 7.8 = 13 + 2.1 = 1 + 3.3 = 11.8 + 7.2 = 10 - 0.8 = 4.6 +5.8 =8 - 3.8 =9 - 8.7 =18.8 - 3.6 = 2.2 - 1.5 = 5 - 1.3 = 11.1 - 3.3 = 12 + 3.8 = 8.3 - 4.3 = 2.3 + 2.5 = 15.1 - 6.5 = 11.7 + 1.5 = 1.1 + 0.6 = 4 - 0.4 = 4.5 + 3.8 = 11.7 + 5.4 = 11.4 + 7.1 = 14.3 + 1.4 = 11 + 0.1 = 6.9 + 2.3 = 5 - 0.6 =8 + 2.2 = 3.6 + 3.3 = 9.3 - 6.7 = 5 - 3.4 = 2 + 4.4 = 6 + 7.8 = 13.9 + 4.3 = 6 + 2.1 = 7.6 - 5.6 = 6 + 9.8 = 3.9 - 2.9 = 18.8 - 5.2 = 11 + 1.4 = 7 - 4.1 = 12.8 + 7.2 =7.9 - 1.3 = 2 - 1.3 = 9.3 - 3.6 =8.8 + 5.3 = 7 - 0.1 = 16.1 - 9.9 = 13.7 - 3.4 = 11 + 5.9 = 17.7 + 2.2 = 9 - 3.1 = 17.5 + 1.3 = 19.4 - 1.3 = 16 + 3.9 = 5.8 + 5.9 = 0 + 2.8 = 9.5 + 4.5 = 11.6 + 7.4 = 12.7 - 5.3 = 8 - 5.4 = 13 + 1.1 = 9 - 1.9 =10 - 7.3 =。
五年级小数加减法口算练习150道(人教版)
五年级小数加减法口算练习150道(人教版)练说明为了帮助五年级学生提高小数加减法口算能力，特别设计了这份练题，共提供了150道题目。
通过反复练，学生们可以巩固小数的加减法运算规则，提高计算速度和准确性。
练中的题目涵盖了小数的加法和减法运算，包括有小数和整数之间的运算，以及小数和小数之间的运算。
通过解答这些题目，学生们不仅可以熟练掌握小数加减法运算的方法，还可以培养逻辑思维和数学分析的能力。
练题示例以下是练题的示例，题目没有给出答案，请学生们自行计算。
1. 0.8 + 0.3 =2. 1.5 - 0.7 =3. 3.2 + 2.1 =4. 4.6 - 1.9 =5. 6.7 + 3.4 =6. 7.9 - 4.5 =（题目略）练方法1. 学生们可以每日按照时间分配，完成一定数量的题目，逐渐增加难度和数量。
2. 在解答题目之前，可以先仔细阅读题目中的数字，并理解加减法的运算规则。
3. 在计算过程中，可以借助计算器或计算软件，但建议尽量凭借自己的能力进行口算。
4. 在解答完所有题目之后，可以对照答案进行核对，找到自己存在的错误，并进行纠正。
研究建议1. 鼓励学生们保持良好的研究惯，每天坚持一定时间的口算练，培养数学思维和计算能力。
2. 提醒学生们注意小数加减法运算时的进位和借位，避免出现错误的计算结果。
3. 鼓励学生们在研究过程中积极思考，尝试使用不同的解题方法，提高思维灵活性。
4. 针对学生们容易出错的题型，可以进行重点讲解和针对性练，加强弱项。
总结这份练题旨在帮助五年级学生们提高小数加减法口算能力，通过大量的练题目，培养他们的数学思维和计算能力。
希望学生们能够坚持不懈地练，掌握小数加减法的运算规则，为进一步研究数学打下坚实的基础。
此份文档总字数：489字。
)小数点加减法专项练习卷
小数加减法练习题（一）一、口算。
3.2+1.8= 0.9+0.6= 0.1－0.01= 1.2－0.12=1－0.385= 3.2－2.3= 0.76－0.38= 15－7.35－2.65=2.1+0.2= 0.3+0.7=3.6+1.6= 7.5-0.5=3.7-0.9=2.13-0.02=3.51+0.2= 102+0.3= 1.12-1.02=4.5-0.01=二、火眼金睛辩对错，并且改正。
（1）12.45－1.35－0.65 （2）21.32－（6.32+8.3）=21.32－6.32+8.3 =12.45－（1.35+0.65）=15+8.3 =12.45－2=23.3 （）=10.45 （）三、用简便方法计算。
(1)27.3+73.2+72.7 (2) 585+189+215 (3) 5.85－1.75－0.25 (4)768－274－126 (5) 5.85+1.89+2.15 (6)24.8+14.6+15.4 (7)42.5－22.17－7.83 (8)3.8+1.37+6.2+12.6317.05－(2.05－6.4) 3.73+5.28+4.27+4.72四、火眼金睛辩对错。
（1）整数加法交换律、结合律对小数同样适用。
（）（2）4.72+0.1－4.72+0.1=0 ( ）（3）计算小数加减法，得数的小数部分有0的要把0去掉。
（）（4）小数加减法混合运算一定要先算加法，后算减法。
（）（5）一个数减去9.09得8.1,求这个数列式是6.09+8.1。
( )（6）6个十分之一和25个0.01的差是0.35 。
( )五、填一填（每空2分，共22分）①计算小数加减法，先把各数的_____对齐,也就是把_____上的数对齐,再按照______加减法的法则进行计算,最后在得数里对齐横线上的______点上小数点.②7.83与2.37的和与差分别是______和_______.③整数的最小计数单位和小数的最大计数单位相差______.④1与0.09多______,25个0.01比25小_______⑤甲数是16.9,比乙数多7.26,甲、乙两数之和是_______⑥甲数增加1.2后比乙数少0.75,已知数是2.95,甲数是_____.一、直接写得数。
小数加减法练习题有答案
小数加减法练习题有答案小数加减法练习题有答案7.4+12.8620﹣5.67141.2﹣48.98102+4.362.15﹣27.412.9+5.019.46﹣15.75+0.65﹣2.75+3.365.71﹣4.912.42+0.480.56+11.53444﹣22.1391﹣22.03552.6+21.2379.15﹣2.183.85﹣1.5+1.32，15.4+6.873.56+27.84100﹣82.13=17.85.9+28.65﹣16.57=17.98；123.56﹣47.9+51.7=127.367.5﹣3.25﹣16.75，2.7+3.1+2.9+3.2，8.42+19.482.56+3.1281﹣30.715.6十0.23148.2﹣25.62﹣24.38.52﹣0.74﹣0.261）6.02+3.6+1.9832）1.29+3.7+2.71+6.333）3.07﹣0.38﹣1.6234）3.25+1.79﹣0.59+1.7535）7.5+4.9﹣6.136）14.8+7.9﹣4.837）2.608+2.841.5﹣0.30120﹣17.83﹣2.17，76.8+26.817.17﹣6.8﹣3.2﹣6.17102.07﹣37.2548.64+18.64.75﹣ 5.25﹣14.75，.68+14.79+5.32﹣10.79，48.9﹣12.7﹣0.3，6.4﹣39.7+24.3，.6﹣2.8+3.4﹣7.2，1）73.8﹣1.64﹣13.8﹣5.3652）6.75﹣53）27.38﹣5.34+2.62﹣4.6654）35.72﹣4.9﹣55）0.73﹣0.25﹣0.73+0.2556）5.3+0.1+5.3﹣0.157）12.7﹣4.8﹣5.2．45.55-.52－17.87－12.2.6－1.28＋3.0.32－.5＋3.25＋0.75＋7.54.57+3.17+3.43+5.8323.75－8.64－3.3617.83－9.5－7.83－0.53.45＋8.7＋16.55＋1.38.54－5.9627.38－5.34＋2.62－4.6621.63－.6－1.28＋3.094.32－.5＋3.25＋0.75＋7.54、列式计算：甲数是15.24，比乙数多7.6，乙数是多少？、3．58加上7.08与5.1的差，和是多少？5、解决问题：地球表面积是5.1亿平方千米，其中3.62亿平方千米是海洋面积，其余的是陆地面积，海洋面积比陆地面积多多少亿平方千米？小红用20元钱买文具，买钢笔用去6.7元，买文具盒用去9.8元，还剩下多少钱？爸爸用两条长度分别是1.27米、1.35米的绳子接起来捆报纸。
小学三年级数学小数加减法口算练习题及100道应用题练习
小学三年级数学小数加减法口算练习题2.1+0.2= 0.3+0.7=3.6+1.6= 7.5-0.5=3.7-0.9= 2.1-0.2= 3.5+0.2= 1.2+0.3=1.9-1.1= 4.5-2.3= 1.2+4.5= 13.5-0.6=7.3+3.2= 5.6-3.9= 1.9+6.2= 4.5-2.1=1.5-0.5= 1-0.9=2.3+0.6= 0.9+0.8=1.9-0.9= 3.5-2.4= 0.6+0.4= 7.9-0.3=4.1+0.8= 2.3+0.7= 3.4+1.2= 7.2-3.5=3.7-2.9= 2.3-1.2= 6.5+1.2= 2.2+5.3=2.3-1.7= 1.5+4.3= 1.1+4.7=3.5-0.6=7.4+1.2= 5.2-3.9= 8.9-6.2= 10.5-9.1=1.7-0.5= 1.4-0.9=2.3+0.8= 4.9+0.8=1.3-0.9= 7.5-2.4= 2.6+0.4=3.9-0.8=7.9+8.2= 5.2+5.5= 6.9+6.4= 5.4+6.7= 14.6－0.34= 1.3＋8.56= 0.8－0.55= 4－0.04=1－0.03= 30.5＋3.05= 0.8－0.45= 5－0.08=3.25＋0.75= 8.65－6.31= 10－7.64= 13.6＋8.46=0.99＋1.1= 10－0.1= 1.5－0.5＝1－0.9＝ 2.3＋0.6＝0.9＋0.8＝ 1.9－0.9= 3.5－2.4= 0.36＋0.64＝0.96－0.3＝7.5－3.18= 0.51－0.37= 4－0.82= 5.26－4.75= 13－3.9=8.04－7.4= 0.68＋0.06= 5.2＋0.48= 1－0.73= 3.6＋4.8= 0.78－0.28= 20.9－9.7= 10－0.09= 3.8＋0.12= 0.01＋0.1=4.9＋5.1= 4.7－0.47= 8.7－7.8= 26.7＋147.2=80.16－21.9= 100－19.2= 15.78＋2.45= 33.4－9.48=6.14+3.83=7.93-1.64= 5.23-2.36= 3.44+3.36=7.74-5.85= 9.35-4.74= 38.63-3.48= 1.16+4.77=8.17-5.26= 2.26-0.86= 4.93+4.75= 76.55+4.68=31.1+4.5= 31.9+3.4= 3.45+4.6= 4.45+54.5=3.83+5.55= 2.75+1.3= 39.4-2.75= 67.3-1.26=61.9+6.2= 67.1-6.6= 46.8-2.8= 47.6-2.15=44.4+1.4= 1.7+9.66= 43.3+6.3= 64.4+8.67=55.5-1.9= 38.9-5.55= 0.7＋0.9= 0.8＋0.6=8.24＋3.76= 4.1－3.8= 0.78＋2.2= 14＋0.78=三年级数学应用题练习100道1、小明的学校在小明家的东南方向150米处，他每天中午都回家吃饭，请问小明在上学和放学的路上一天一共走了多少米？2、兰兰家在学校的南面500米处，方方家在兰兰家北面200米处，请问学校在方方家什么方向的多少米处？3、小强的家门面向东，放学回家后站在门前，面向家门，他的前后左右分别是什么方向？4、小明和小立背对背站立，小明向北走150米，小立向南走120米，两人相距多远？5、1500棵树苗平均分给5个班种植，每个班又将树苗平均分给5个小组，每个小组分得多少棵树苗？6、粮店运来120吨大米，第一天卖出总数的一半，第二天卖出剩下的一半，粮店还剩大米多少吨？7、一本书共有170页，小华已经看了90页。
小学数学暑假练习口算题-(简单的小数加减法)-1000题
17.6 + 0.1 =12.8 - 4.8 =9 + 1.2 =9 - 0.6 =0.7 + 2.6 =0.2 + 0.2 =11.8 - 3.7 = 6.9 + 3.6 = 1.7 + 9.9 =17.7 - 1.6 =9 + 4.3 = 6.7 + 6.8 =7 - 6.3 = 5 - 4.5 =11.5 - 6.8 =10.1 + 6.1 =10 - 6.5 =10.4 - 9.1 =10.3 - 7.3 =15 + 0.2 = 5.4 + 7.4 =2 + 7.3 =8.6 + 4.1 =12.3 + 3.1 =6.5 + 5.2 =13 + 4.6 = 2 - 1.3 =6 + 9.9 =10.8 - 6.3 =16 + 2.9 =6 - 0.3 =12.8 - 2.1 = 5.9 - 5.3 =4.1 - 0.4 = 5 + 0.7 = 5 - 1.7 =5 - 1.2 =10 - 1.4 =10 + 1.1 =10 - 7.4 = 5 + 4.9 =8.8 - 5.5 =12.6 + 0.2 =6.1 + 2.4 =0.6 + 6.3 =练习范围：简单的小数加减法 题数：100月 日姓名: 分秒成绩:14 + 0.2 =10 - 6.3 = 2 + 2.9 =9 + 4.4 =10.1 - 2.1 =7 + 8.3 =10.5 + 2.7 =9.8 - 7.9 = 2 - 0.9 = 12 + 1.5 =10 - 9.4 = 1 + 3.5 = 9.5 - 2.3 = 1 + 6.9 =14.1 - 6.5 = 14.1 - 2.5 =9.5 + 3.9 =12.1 + 6.7 = 11.4 - 7.1 =10 + 3.5 =8.2 + 4.3 = 6 - 1.4 =0.2 + 6.8 = 3.7 - 0.4 = 2 + 1.2 =7.5 + 2.3 = 3.3 + 9.8 = 11 + 3.9 =9 - 2.1 =9.4 + 6.4 = 3.8 - 0.3 =0.6 + 6.4 = 5.5 + 5.1 = 6 - 2.1 =0.9 + 4.5 =9.3 - 1.4 = 4.7 + 6.2 =15.7 + 4.1 =7 - 2.9 = 7.1 - 0.1 =8 + 7.8 = 2.8 + 1.5 = 5.7 + 1.6 =8.6 + 5.7 = 1 + 9.3 =8 - 5.9 = 2 + 2.8 = 5 + 7.8 = 15 + 4.2 = 4 - 0.4 =12 + 5.1 =9 - 0.8 = 5.1 - 4.9 =10 + 0.2 =10.8 - 5.2 =4.6 + 1.6 =5.9 - 5.3 =13.7 - 7.6 =8 - 2.1 = 6 - 5.4 =7.8 - 1.3 =10 + 8.1 = 4 + 3.1 = 5.8 + 2.7 =7.1 + 3.7 =13.4 - 2.4 =9.7 + 5.3 =7.5 - 3.9 =10 - 7.4 = 1 + 9.9 =7 + 5.1 =8.8 -6.6 =8.2 + 6.9 =9.5 -7.5 =17.9 - 0.5 = 4.1 + 6.4 =14 + 0.9 =11 + 2.8 = 5 + 0.3 =19.6 - 0.9 = 3 +8.8 =11.1 + 6.1 =5.4 + 7.4 =15 + 4.2 =9 + 4.4 =5 + 0.7 = 2 - 0.7 =9 + 1.9 =14.3 + 3.3 =8 - 6.2 =9 - 1.4 =17.2 + 0.7 = 4.7 + 6.2 =9 + 3.7 =9 - 1.7 =10 -9.4 =0.7 + 2.6 =4 - 1.1 =17 + 2.7 =2 + 1.4 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:0 + 6.2 =7.5 + 2.3 =17.2 - 2.5 = 9.9 - 5.3 =12.1 - 1.2 = 2 + 2.3 = 17.7 - 1.6 =14.1 - 2.5 =18.3 - 8.8 = 9.8 - 7.9 =11 + 3.9 =12.1 + 1.7 = 9 + 7.7 =17.7 - 4.9 =10 - 3.6 = 7 + 0.7 =10.2 - 7.6 =10 + 6.8 = 9 + 0.3 =19.9 - 5.2 = 3.7 - 0.4 = 11.4 + 1.9 = 3 - 0.2 = 6.7 + 6.8 = 10.1 - 0.1 =10.4 - 9.1 = 5 + 4.9 = 12.6 + 0.2 = 3 + 1.1 =7 + 2.7 =7 - 0.3 =10.8 - 6.3 =0 + 0.6 = 12.2 + 6.6 = 3.3 + 9.8 = 3.1 - 0.5 = 4.7 + 2.8 =9.7 + 1.3 = 6.9 + 2.1 = 9 - 2.1 =10 - 4.2 = 4.7 + 7.1 = 13.8 - 5.2 =7.3 + 4.2 =9.2 - 8.4 = 2 - 1.3 =8.4 - 4.6 =13.9 + 3.4 = 2 - 0.9 =12 + 2.3 =10 + 3.5 = 4 + 5.7 =9.7 - 7.6 = 4.5 + 4.5 = 2 + 1.2 =13.6 + 2.7 =7.5 + 5.6 =8 - 5.8 =10.4 + 7.3 = 5 - 2.1 = 3 - 2.8 =8 - 6.6 = 1.9 + 5.6 =10.2 - 6.6 =13 + 1.2 =16.9 - 1.3 =12 + 5.4 =15 + 3.7 = 4 + 5.7 =17.6 - 5.9 =11.8 - 6.1 =10 - 8.8 = 4.4 + 0.3 =9 + 2.5 =15 + 0.1 =16.3 - 4.5 =5.7 + 7.4 =13 + 1.8 =11.2 + 0.6 =1.5 + 4.5 =8 - 2.1 =7.2 - 2.8 =11.2 - 6.3 =11.9 - 2.2 =9 - 6.6 =6.8 - 4.1 = 5 + 7.4 =10 - 0.8 =6.4 - 4.2 = 6.7 + 4.4 =14 + 0.2 =15.8 - 2.5 =9 + 1.6 =16 + 3.6 =17 + 1.6 =16.2 - 2.8 =9.7 - 8.5 =1.2 + 9.8 =7 - 3.7 =5 - 3.5 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:13.4 - 8.4 = 6.6 + 2.6 = 6 + 2.2 =4 - 3.4 = 3.4 - 0.2 =14.1 + 1.7 = 11 + 8.8 =5 + 6.1 =18 + 1.1 = 10 - 4.3 = 4 + 2.2 = 2.7 + 0.8 = 3.8 + 9.1 =10 - 3.3 =10 - 7.9 = 10 - 2.8 = 4 - 1.5 =10.5 + 2.3 = 10 + 5.4 =19.4 + 0.2 =18.5 + 0.4 = 6.7 - 0.7 = 2 - 1.7 =0.9 + 0.1 =10 - 5.8 = 6.2 - 1.4 =9.7 - 9.6 =11 + 4.7 =15 + 3.3 = 2.3 - 0.1 = 6 - 1.6 =16.7 - 1.7 = 3 + 3.2 = 8.5 - 5.9 =18.8 - 4.1 =8 - 0.8 =7 - 4.9 = 3.5 + 5.8 =0.8 + 3.8 = 13 + 4.3 =9 - 3.4 =11 + 5.8 = 10 - 8.2 =12.9 - 7.7 =10 + 7.5 = 1 - 0.2 = 5 - 4.5 = 6 - 5.1 = 15.1 + 0.9 = 5 + 6.9 =16 + 1.2 = 11 + 1.6 =8 - 4.3 = 4.2 + 9.5 = 10 + 7.7 =12.7 + 3.3 =0 + 2.1 =9 - 2.1 =15 + 4.2 = 4.6 + 1.6 =9.8 - 7.9 =10.8 - 6.3 =13.6 - 1.7 =9 - 5.8 =15 + 0.9 = 3 + 3.9 =0 + 7.2 =9.6 - 7.4 = 3 - 0.6 =9 - 1.9 =7 - 6.3 = 1 + 6.9 =9 + 0.3 =0.2 + 5.3 = 3 + 7.4 =10.8 - 5.2 =9 - 7.5 =12.6 + 7.1 =10 + 4.4 =16.5 - 9.3 =9 - 1.6 = 4.6 + 5.5 =0.2 + 6.8 =7.1 + 8.1 = 5 + 9.7 =4 + 2.6 = 6 - 4.6 = 2 + 1.4 =5.1 - 4.9 =7 - 0.9 =12.6 + 0.2 =0.6 + 6.4 =14 + 2.2 = 2 + 8.9 =4 - 0.4 = 6.7 + 6.8 =11.3 - 9.2 =5 + 1.6 =5 + 4.9 =15.8 - 4.8 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:2.8 + 1.5 = 5.9 - 5.3 = 2 - 1.3 =6 - 1.4 =13.4 - 2.4 =0.7 + 2.6 = 10 + 0.2 =13.9 + 3.4 =11 + 2.4 = 8.7 - 0.1 =9 - 1.1 = 6 + 9.1 = 19.4 - 7.3 =17.7 - 1.6 =12.8 + 6.5 = 9.7 + 1.3 =19.7 - 6.3 =0 + 7.4 =3 + 6.7 =11 + 3.9 =10 - 6.9 = 13 + 4.6 =8 - 6.7 = 5 + 8.1 =9 - 1.4 =10 + 3.8 =8.6 + 4.1 = 3.8 - 0.3 = 5 - 0.7 =0.4 + 3.4 = 5 + 6.1 = 4.3 + 8.8 =10 - 7.4 = 2.4 + 7.1 =18.3 - 8.8 = 2 - 1.5 =1 + 6.7 =15 + 0.2 =11.1 + 6.1 = 19 + 0.3 =14.6 + 4.1 = 2 - 0.6 = 17.2 - 6.7 =9 - 7.9 =8 - 5.9 =3 + 1.8 =13.4 + 3.4 =19.6 - 7.9 = 6 - 3.3 =17.4 - 4.8 =17.7 - 3.7 =5 + 6.3 = 5 - 4.5 =10 - 9.2 = 14 + 0.2 =1.3 + 3.5 =9 - 3.2 =14.1 + 1.7 =9 - 6.7 =2.6 - 0.9 =18.2 - 4.5 =9 -3.4 =10.2 - 3.6 = 5 + 9.6 =6 - 3.8 =10.5 - 8.5 = 6.6 + 7.4 =7.7 + 9.8 =17.8 - 9.2 =8.6 - 7.3 =5.3 - 2.2 =9 + 6.1 =18.3 - 3.6 =8 - 5.6 = 2.8 - 0.7 = 6 - 2.2 =10 + 6.3 =16.4 - 5.2 = 3 + 5.8 =2.4 - 1.8 =11 + 1.4 =15 +4.1 =11.7 - 6.6 =7.4 + 0.3 =9 + 7.9 =1 + 2.8 = 2.4 + 4.2 =16 + 0.2 =7 - 4.3 =8.7 - 2.3 =8 - 4.9 =16.6 - 1.6 =12 + 4.8 =10 + 8.5 =2 +5.7 =17.2 - 4.7 =0.8 + 0.5 =1.8 +6.1 =11.7 + 4.1 =8 - 0.2 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:3 - 1.4 = 6.6 - 6.5 = 3.1 + 2.2 = 16.3 + 0.1 =11.9 - 7.1 =8 - 0.7 = 7.5 - 3.8 = 3 + 1.9 =8 + 8.8 = 10 - 0.7 = 2 - 0.1 = 1 + 4.1 = 0.1 + 3.7 = 5.6 + 8.2 = 5.4 + 6.3 = 8.8 + 7.8 = 5.3 + 5.6 =15.4 - 0.2 =5.6 - 2.1 =12.1 + 7.9 =12 +6.6 =6.8 + 4.3 = 4.8 - 2.6 = 3.8 + 1.6 =8.9 + 0.5 =11 + 1.6 =9 + 9.2 =9.6 + 5.5 =17.8 - 2.2 =11.9 - 3.1 = 5.2 + 9.3 = 5 - 4.2 = 6 + 0.8 = 3.8 + 4.6 =12 + 3.2 =11.7 + 3.9 = 8.6 - 8.4 =9.3 + 0.1 = 6 + 8.6 =4 + 4.5 =10 - 0.5 = 1.5 + 7.8 = 17.6 - 6.3 =9.5 - 7.8 =7 - 6.1 =4 - 1.4 =9 + 8.2 =7 - 5.9 =1 + 6.4 =17.8 - 2.7 = 4 - 1.1 =2 - 0.3 = 3.8 - 2.5 =4 - 3.2 =7 - 0.5 =7 - 0.3 =7 + 7.7 = 3 - 1.5 =7.7 + 1.9 =16 + 2.2 =7 + 1.6 =2 + 7.7 =0.7 + 2.3 = 1.1 + 8.3 =5 - 3.6 = 1 + 3.2 = 2.4 + 6.4 =9 - 8.9 =13.3 - 2.6 = 3 - 1.9 =8.3 + 7.8 = 2.9 - 0.1 =8.8 - 6.2 =6.2 - 5.1 =9 + 4.8 = 4 + 7.9 =9.5 - 7.9 =14.7 + 1.8 = 4.9 + 5.6 =6 - 4.9 = 4.6 + 3.5 =7 - 0.9 =9 - 5.5 =16.2 - 3.2 = 5 - 0.8 =18.8 - 2.3 =0.3 + 2.2 =0.7 + 1.1 =11.1 - 9.2 = 4 - 3.2 = 6.4 + 2.7 =10 - 8.9 =17.5 - 7.2 =9 - 4.8 =3.3 + 0.3 =10 - 6.3 =7.9 + 1.2 =1 + 3.9 =7 + 3.9 =3 + 0.2 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:6.1 - 5.2 = 4 + 0.2 = 2 + 5.7 = 15.2 - 0.6 = 5 + 3.2 =7 + 9.5 = 19.4 - 4.6 =15 + 3.2 =16.1 - 3.8 = 16.7 + 1.8 =8.7 - 1.7 =7 - 5.8 = 6.6 - 3.4 = 6 +7.4 =18.9 - 0.8 = 8.5 + 1.9 =10 - 3.8 = 3 + 4.4 = 17.9 - 2.8 =10 - 3.4 = 4.5 + 3.4 = 17 + 2.4 = 4.6 + 0.9 =8 - 3.6 = 11 + 2.7 =11 + 0.6 =9 - 6.2 = 10.6 - 1.8 =10.8 + 3.8 = 5 - 1.3 =9 - 2.8 = 5.9 + 6.4 = 2.5 + 3.8 = 7.6 - 0.9 = 3 + 2.9 =10 + 1.7 = 2.8 + 8.3 =10.3 + 2.8 =16 + 3.4 = 5 - 1.7 =7.3 + 3.6 =7 - 1.3 =8 + 4.5 =8 - 4.5 =13 + 1.2 = 19.9 - 4.2 =14.6 - 3.4 =10 + 0.5 = 12 + 7.5 =13.9 - 0.2 =8.7 + 3.5 = 5 + 0.6 =16.3 - 9.6 =0 + 7.6 = 11.9 - 4.4 =4 + 3.1 =9.9 - 5.3 = 1 + 3.5 =0.3 + 0.9 =17.5 - 9.7 = 5.9 - 5.3 =7 - 6.3 = 5 - 3.6 =16.5 - 9.3 =10 - 4.4 =12.8 - 4.2 = 4.6 - 1.1 =10 + 6.8 = 3 + 5.1 =10.7 + 6.6 =6 - 5.4 =8 - 7.8 =9 - 0.4 =11 + 1.2 =9 + 1.9 =8 - 2.5 =8 - 4.5 = 4.9 - 3.2 =14.1 + 4.2 =5 + 8.1 = 2 - 1.3 = 2 - 0.9 =3 - 2.8 =10.4 - 9.1 = 2 + 1.5 =10 - 1.4 = 5 + 0.7 =17.4 - 6.9 =5 + 4.9 =7 + 8.3 =9 + 3.8 =14 + 0.2 =0 + 2.8 =10.9 - 0.3 =12.9 - 4.7 =12.7 + 3.3 =13.7 - 7.6 =9.2 - 4.3 =4 - 0.4 =1 + 6.1 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:17.3 - 7.4 = 3.3 + 9.8 = 5 - 4.9 =1 - 0.4 = 4 - 1.7 =13.4 - 2.4 = 3.7 - 0.4 =8 - 1.9 = 6.7 + 6.8 = 9 + 0.3 =2 - 0.2 =14 + 3.6 = 11.1 + 6.1 =9 + 4.4 = 6 - 2.9 =5 - 4.5 =12 + 1.5 = 1.5 - 0.8 = 9.8 - 7.9 =17.4 - 4.5 =0.2 + 6.8 = 8 - 6.2 =10 + 3.5 =11.7 - 1.3 = 11.3 - 1.1 =13.1 - 4.9 =11.3 - 5.3 = 13.6 - 3.4 =8 + 6.6 =18.7 - 4.3 = 12.4 - 6.5 =10 + 9.4 = 3 - 1.1 = 7.5 + 2.3 =0.7 + 2.6 = 6 - 5.2 = 13 + 5.9 =12.7 + 0.2 = 2 + 1.2 = 9.7 + 1.3 =17 + 0.9 =19.9 - 5.2 =13.9 + 3.4 = 2 - 1.2 =0 + 8.5 =14.4 + 0.2 =13 + 4.3 =7 + 0.7 = 12.6 + 0.2 =9.3 - 1.4 =17.7 - 1.6 = 9.1 + 7.4 =14.6 + 2.5 =10 - 3.6 = 7.2 + 6.7 =8 - 1.2 =17.2 - 6.3 =10 + 2.3 =11.5 - 8.3 =10.5 + 2.6 = 4 + 7.2 =6 + 6.3 =8 + 3.5 =9.1 + 7.3 =0.1 + 1.9 =15.3 - 8.9 =7 - 1.4 =8 - 6.2 = 4 + 8.1 =10.3 - 3.9 =3.7 + 5.6 = 3 + 8.8 =10.5 - 9.5 =8 + 2.7 = 3 + 5.3 = 3.2 + 8.1 =16.4 - 6.6 =10 + 1.5 = 4 - 3.5 =9 - 0.2 = 3 + 4.9 = 5.2 + 8.2 =10 - 8.1 =9 - 4.8 =15.5 - 2.8 =2 - 0.7 =9 + 1.1 = 2.9 + 7.1 =17.1 - 2.8 =8 - 6.8 = 3 + 8.9 =1 + 2.4 =12.5 + 7.4 =9 - 7.7 =0 + 4.6 =9 - 8.6 =19.9 - 2.2 =18.5 - 0.4 =7 - 5.6 =15.4 + 1.6 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:2 + 8.7 =11.7 + 7.6 =8.2 - 7.4 = 12.4 + 7.6 =10 + 0.8 =9 - 2.4 =8 - 1.1 =13 + 4.8 = 6 - 2.1 = 3.1 + 0.6 =10 + 4.7 =9.4 - 2.8 = 9.1 - 6.7 = 3 + 6.9 = 5 - 0.3 =4 - 2.1 = 6.7 - 3.6 = 6 + 9.8 = 14.5 - 6.8 =0.1 + 2.1 =14.2 - 3.8 = 9.1 + 9.3 =7.9 - 6.7 = 2 + 8.4 = 15.5 - 7.5 =16.7 - 2.2 =6 + 1.8 = 7.3 + 4.5 =15.2 + 4.5 =19.5 - 7.9 = 10 + 5.8 =10 - 5.5 =8 + 1.3 = 8.6 - 6.2 =13 + 3.2 = 1 - 0.2 = 19.6 - 5.7 = 1 + 7.9 = 2.5 + 0.7 =8 + 0.8 =7.9 - 6.6 =18.5 + 1.5 = 7 - 6.6 =9.1 + 2.9 =9.5 + 1.5 = 10 - 2.5 =9 - 0.8 =8.6 - 4.4 = 6 - 3.8 =8 - 0.3 = 4 + 3.8 =6 - 0.4 = 4.7 + 6.9 =11.9 - 1.2 = 18 + 0.4 =4 - 3.1 = 3.5 + 4.7 =17.4 - 3.1 =10.9 - 7.1 =18 + 1.4 =8 - 1.4 =9.5 + 6.6 =8.2 + 9.2 = 6 - 0.2 =0.1 + 1.7 =13.5 + 1.8 = 3 + 6.9 =1.2 + 1.8 =9.8 + 6.3 = 1 + 0.3 =6 - 2.6 = 4 + 0.2 = 1.7 + 6.5 =4.2 + 3.4 = 5 + 9.9 =9.3 - 1.5 =7 + 7.7 =10.9 + 0.5 = 4 - 0.3 =9 + 5.1 = 6 - 4.8 =9 - 2.1 =14.8 + 4.6 = 5 + 7.2 =16.6 - 7.5 =17 + 0.9 =18 + 1.7 =8 + 8.3 =1 + 6.1 =9.8 + 4.2 =11.1 - 8.3 =0.3 - 0.1 =10 - 3.7 =8.6 + 2.2 =10 - 7.8 = 6 - 0.6 = 5.9 + 0.9 =17.2 - 7.6 =0.3 + 9.4 =10.3 + 4.7 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:16.1 - 2.6 = 6 + 7.4 =8 - 0.4 = 12.8 + 2.2 =9 - 8.9 = 6 + 9.9 = 16 + 0.9 =15.8 + 2.8 =8 - 4.5 =0 + 0.9 =7 - 4.2 = 1.5 + 5.3 = 14.9 - 7.7 = 1 + 2.5 =8 - 6.4 =6 + 6.1 =11.8 - 9.3 = 4.4 + 6.4 = 2 + 5.6 =14 + 5.1 =9 - 3.7 = 4.8 + 0.6 = 3.5 + 9.6 =10.9 - 8.7 = 9.1 + 4.3 =11 + 8.8 = 2.4 - 1.5 = 14.7 + 3.9 = 5 - 4.6 = 4 - 0.4 = 18.2 - 9.3 =8.3 + 1.4 =17.8 - 0.8 = 3 + 3.8 =17.4 + 1.3 = 6 + 6.9 = 12 + 3.8 =14.5 - 0.6 =10.9 + 6.9 = 10 - 7.1 =14.2 - 6.2 =9 - 5.8 =7 + 4.6 = 4 - 0.6 = 2.8 - 1.5 = 12 + 1.6 = 5.3 + 5.2 =9.6 + 0.9 = 6 - 3.7 =11 + 1.8 =15.8 - 3.7 = 11.1 - 1.7 = 4 + 1.8 =9.4 + 3.2 = 10 - 5.7 =1.2 - 0.5 =10 - 4.6 = 1 + 9.7 =3 - 1.7 =10 + 5.9 =8 - 6.3 =14 + 4.6 =10.6 - 4.7 =10 - 5.2 =10.1 + 1.5 =8.6 +2.4 =9 - 6.4 =7 - 0.5 =7 - 6.4 =9.5 - 1.4 =8.4 - 2.7 =19 + 0.8 = 5 - 0.8 =2.9 + 1.6 = 4.3 - 2.4 = 5 + 7.7 =14.2 + 5.4 = 6.8 + 5.6 =12.2 - 1.3 =13.2 - 3.2 =18.2 - 0.3 = 6.5 + 0.8 =8.1 + 0.7 =11.2 - 6.7 = 2 + 0.4 =7 - 1.5 = 2.8 +4.2 = 6.2 + 6.1 =2 + 6.4 = 3 - 2.9 =17.2 - 1.5 =6 - 0.9 = 2.9 + 7.8 =13 + 2.1 =1 + 3.3 =11.8 + 7.2 =10 - 0.8 =4.6 +5.8 =8 - 3.8 =9 - 8.7 =练习范围：简单的小数加减法 题数：100月日姓名: 分秒成绩:18.8 - 3.6 = 2.2 - 1.5 = 5 - 1.3 = 11.1 - 3.3 =12 + 3.8 =8.3 - 4.3 = 2.3 + 2.5 =15.1 - 6.5 =11.7 + 1.5 = 1.1 + 0.6 = 4 - 0.4 = 4.5 + 3.8 = 11.7 + 5.4 =11.4 + 7.1 =14.3 + 1.4 = 11 + 0.1 = 6.9 + 2.3 = 5 - 0.6 =8 + 2.2 = 3.6 + 3.3 =9.3 - 6.7 = 5 - 3.4 = 2 + 4.4 = 6 + 7.8 = 13.9 + 4.3 = 6 + 2.1 =7.6 - 5.6 = 6 + 9.8 = 3.9 - 2.9 =18.8 - 5.2 = 11 + 1.4 =7 - 4.1 =12.8 + 7.2 =7.9 - 1.3 = 2 - 1.3 =9.3 - 3.6 =8.8 + 5.3 =7 - 0.1 =16.1 - 9.9 = 13.7 - 3.4 =11 + 5.9 =17.7 + 2.2 = 9 - 3.1 =17.5 + 1.3 =19.4 - 1.3 = 16 + 3.9 = 5.8 + 5.9 =0 + 2.8 = 9.5 + 4.5 =11.6 + 7.4 =12.7 - 5.3 = 8 - 5.4 =13 + 1.1 =9 - 1.9 = 10 - 7.3 =。
小数的加减法练习题-.doc
小数的加减法练习题（一）1.12-1.02= 4.5-0.01 =%1,用竖式计算，并进行验算。
5.46+4.72= 105.5-5.94= 5.8+55.33 =12.05+0.57= 4.952+6.25= 8.05—0.57=三、用简便方法计算。
(1)5.85+1.89+2.15 (2)24.8+14.6+15.4(4) 42.5-22.17-7.83 (3)3.8+1.37+6.2+12.63%1.火眼金睛辩对错。
1. 整数加法交换律、结合律对小数同样适用---------- （）2. 4.72+0.1-4.72+0.1 = 0 ------------------------------------- （）3. 计算小数加减法，得数的小数部分有0的要把0去掉...・-・（）4. 小数加减法混合运算一定要先算加法，后算减法------- （）%1,解决问题。
1. 妈妈买水果花了 5.8元，买蔬菜花了2.6元，买鱼花的钱比水果和蔬菜的总和还多5.2元，买鱼花了多少钱？2. 小明爸爸买了一瓶色拉汕，连瓶共重3.4千克，用去一半汕后连瓶重1.9 千克，你知道这瓶油原来有多少千克？瓶有多重？3. 前楼中心小学四年级男了平均身高122.8厘米，三年级男了平均身高比四年级矮14.2厘米，吴浩然是三年级二班的一名男同学，他的身高是1.26米, 问吴浩然比三年级男子平均身高高多少？5.7-3= 2.7 4.9-1.7= 3.2 3.4-1.4=2 8.1-5.1= 3 0.78-0.24=0.54 0.89 -0.25=0.64 1-0.98=0.02 1-0.8= 0.2 4.5—4=0.5 5.7+3.3= 910-4.4=5.6 9.5-2.7=6.8 1-0.55= 0.45 1-0.44=0.56 14.6-0.4=14.2 10-0. 1= 9.9 5 -0.08= 4.92 1.1-1 = 0.1 8.34-6.22=27.78 9.3-8.8=0.5 19.8-5.6=14.2 96.3-56.2 =40.1 88-69.21= 18.79 1-0. 3=0.7 136.5-105=31.5 93.1-20.9=72.2 63.1-11 = 52.11.2+1.5=2.7 1.3+1.5=2.8 0.2+1.2=1.4 1.3+1.08=2.38 5.5+2.1 = 7.67.8+1.9=9.7 1.02+1.03=2.05 1.2+1.5=2.7 1.5+1.7= 3.2 1.3+1.5=2.8 0.2+1.2= 1.41.3+1.08=2.38 5.5+2.1 = 7.6 7.8+1.9=9.7 1.02+1.03=2.051.2+1.5=2.7 1.3+1.5=2.8 0.2+1.2=1.4 1.3+1.08=2.38 5.5+2.1 = 7.67.8+ 1.9= 9.7 1.02+1.03= 2.05 7.1 + 7.1 = 14.2 2.03+ 2.03= 4.060.7+0.9 4.7-0.5 0.56-0.46 1.2+0.8 1-0.4 0.39+0.15 7.7+0.63.6-0.84.8-35.7+0.2 3.6-1.6 7+2.3 8.02+15.28 25-16.07 0.3+1.5 2.5+9.87.6+1.3 4.4+5.7 2.3+7.7 5.7+3.1 7.69+2.31 9.16+2.64 5.68+12.2216.8+16.5 100-63 3.2+1.6814-7.4 65+4.35 10—5.4 1.5-0.06 36+1.54 32.8 + 19 87-0.49100-63 3.2+1.68 14-7.4 65+4.35 10—5.4 1.5-0.06 0.36+5432.8+19 3.2+1.68 14-7.4 0.65+35 10-5.4 1.5-0.06 0.3 + 1.540.8 + 0.6= 8.24+3.76= 4.1 -3.8=14+0.78= 14.6-0.34= 1.3+8.56= 0.8-0.55= 4-0.04= 1-0.03=30.5+3.05= 0.8-0.45= 0.78+2.2= 5-0.08= 3.25+0.75=10-0.1= 1.5-0.5= 1-0.9= 2.3 + 0.6= 0.9+0.8= 1.9-0.9= 3.5- 2.4= 0.36+0.64= 0.96-0.3 3.5+ 4.2= 67.8-1.1 = 3.4-1.5= 1.5-0.5 =1-0.9 =2.3 + 0.6 =0.36+0.64=0.96-0.3=3.2+1.8=0.9+ 0.6=0.1-0.01 =1.2-0.12= 1-0.385= 3.2 —2.3= 0.76-0.38= 15-7.35-2.65=2.1 + 0.2= 0.3+0.7=3.6+1.6=7.5-0.5=3.7-0.9= 2.13-0.02= 3.51 + 0.2= 102+0.3=-6.32+8.3 = 12.45- (1.35+0.65) =15+8.3= 12.45-2 =23.3()= 10.45()(1)12.45-1.35-0.65(1)27.3+73.2+72.7 (2) 585+189+215(3) 5.85-1.75-0.25(4)768-274-126 5.85+1.89+2.15 24.8+14.6+15.4 (7)42.5-22.17-7.83 (8)3.8+1.37+6.2+12.6317.05-(2.05-6.4)3.73+5.28+4.27+4.720.9 + 0.8= 1.9-0.9= 3.5 -2.4=小数加减法练习题(一)一、口算。