小学数学人教版五年级上册第一单元《小数乘法》口算试题

1、五年级数学上册第一单元口算试题232X3 =班级考号姓名G组常叙!。算题；15,3X2 =18x0.5 =18X2 =3, 2 * 4 =6X1,4 =49x2 =L2X7 =24 x 50 =36 x 30 =43x0.4 =7.2x5 =67X2 =& 1 x5 =32X4 =16x7 =9X1,2 =4.7x 10 =i 60X1,3 =；31 x4 =：23乂。，5 =48 x 20 =J 6 x 5. 3 =? 2,9X2 =52x7 =;2,4X5 =162X3 =i 24x5 =! 1.2X5 =；63 x50=变式。算题L给下面各题的积添上小数点。8.2X 7 05 7 4 0

2、0.8 2X 7 05 7 4 02,计算下面各题。6.3x 54.3 x 2 66.0 87总分；12,5X8 =2. 8 x 4 =i 58X20 =：3.7x3 =:9x 1. 4 =4.9x5 =：25X7 =J 1.4x5 =? 32 X30 =3x4.4 =:72 x50 =7X23 =i 6. 1x9 =i 92X4 =：86x7 =5X4,2 =0. 8 2x 7 0 05 7 4 0 04.6 3x 5 1五年级数学上册第一单元口算试题58班级 考号姓名总分组常妮。算踢8. 1 x 0.4 =10.8X0.3 =0.45X0, 6 =1.2x0. 7 =0.6X1.4 =0.

3、42X0.2 =1.3x0.6 =2.01 X0. 5 =8X3. 12 =3.6X0. 3 =35x0.8 =0.7X2. 12 =1.08X4 =0.2X 1.7 =0.8X2. 1 =1.03X0. 4 =1.想一想，填一填。B组变式。算题0.2x3. 5 =0. 42XQ. 7 =4. 03X0. 8 =0.2x4. 6 =7.2乂0.4 =6.4X40 =2. 08x2 =S9X(L21 =11. 4X0. 5 =32x0.7 =2 . 4 x 0, 3 =0. 6 乂 5. 3 =8X0. 16 =0. 4 x 3. 4 =0.25X0.7 =0-9X 1.5 =1. 14 x6

4、=0. 25X0. 4 =0. 7X4, 6 =2. 3x0.2 =5. 02 XQ. 7 =1. 5X80 =2. 9x0.3 =0. 4 x&4 =3. 3x0.8 =7X1.5 =6. 6x0, 4 =1. 02X0. 7 =8 x 1. 24 =2. 04 x0. 2 =1 . 1 xo.8 =2.6X50 =)位小数0(2)1. 5X0. 4的积是( )位小数。(1)Q.6x 1. 12的积是(3)1.27X0.8 的:积是(2 .用竖式计算下面各题。6. 7X0. 5 =5. 7 x 2. 03 =0.76 XQ. 5 =班级考号姓名总分常规。算题L 3X0. 08 =0. 02x

5、3. 6 =7. 2X40 =0. 04 x 1. 2 =20.2X0.4 =1.2X0. 4 =0.56x0.04 =2.4X 200 =0.056x0. 01 =0.49X20 =0. 07 X0. 04 =2. 3x0.05 =3. 12X0. 07 =7. 01 xo. 08 =6.2X0.03 =0.21 X0. 05 =0.8 x 1. 5 =2.6X0. 03 =0.35X0. 08 =0.7X2. 5 =0. 09 x Q. 02 =1.04x0.5 =3一 2 X0. 7 =4. 4X0. 03 =1.6X0.3 =400 X0. 14 =0.33 x0.02 =0. 07

6、X0. 25 =0. 12XQ. 04 =1.2X70 =1. 12 X0. 04 =3.2x0. 07 =0.08 X2. 1 =1. 13 XQ. 5 =6.2X0. 05 =2.42XQ. 3 =0一 8 X0. 15 =0- 02x 0. 34 =0. 25X 0. 06 =90X1. 5 =0.23X 600 =4 25X 0 4 =0. 08 XQ. 04 =2. 09 xO. 02 =2. 15X0.6 =0. 18 X0.003 =2.9X8 =0. 048X 0. 02 =B组娈式。售题1.判断下面各个积的小数位数有没有错.对的在括号里面错的在括号里36. 7X58=2128

7、. 6 (5. 7X4. 6 = 2. 622(7. 12 x 3.4=242.08(2用竖式计算下面各题.3.6 x 0.056 =1.23 x 0-9= 1. 107(1-28x3.2 =3.43 x0.23 =班级 考号姓名总分小组常裁!。曹题125X0 8 =0. 6 x 0. 4 =4.5 x200 =0.026 X0. 3 =45X400 =2.1 乂 0. 5 =80 x 1.5 =3.06x0.2 =3.5x0. 8 =0.007x35 =2.2x0.04 =32X 70 =0.8X2.06 =2. 03 x 0. 05 =62X0.5 =42, 2 X 3 =1.填空。2.0

8、3X0.6 =0.2x3. 16 =0.45x 400 =0. 08 x 1.02 =2.02X0.7 =0.29X 0.03 =4.05X0.4 =2.03 x8 =3.04x0.07 =1.06x 0.03 =1.8x0. 5 =0.2X34 =2.5X0. 06 =90X 1. 05 =0.23X6 =1.25X0.2 =B组0. 03X0. 24 =25x0.08 =31. 2x0. 9 =0. 01 X。. 08 =7. 12X0. 3 =400 x 14 =3. 3X0.02 =0. 7x25 =0. 32 x0. 04 =120 x700 =2. 08x0. 6 =5. 09X0

9、. 02 = 21. 5X0. 06 =1. 8 X0.003 =5. 09X8 =4, 8X0.7 =3）植树节时，幸福小学师生一起植树。老师植54棵，学生植的树是老师的 4 5倍，幸福小学的学生植了（）棵树。（2）新学期开学了琳琳买笔记本花了 19. 8元，买书包花的钱是买笔记本的3.7 倍.那么琳琳买书包花了（）元。2.在圈里填上”或“ =7. 73X J 10.89X2,5( -)2. 5X 0. 9854 X 2. 828 乂5 478X0. 49( 0. 49 x 7. 80. 47 x wof )47 x 1 4. 23 x 0 ( ； 4. 23 x 1班级 考号姓名总分15x

10、70 =1.8X0.3 =20. 5x0. 7 =2.6X0.03 =5. 13x4 =71 X5O =30x2.5 =5,24X0, 2 =2. 15X6 =4.7x0.05 =32 X 0.03 =28 X 50 =0. 08 义 0. 06 1.08x0.2 =0,5X2,5 =402 x 4 =保留一位小数,0. 31 X3上1. 2x 0, 8*0.9X 12.1.57x20. 97 x 0. 6七0. 46X 120, 8X 100.22 9X0. 69. 2x 0. 3%30. 1 X 0, 31.03X5七1.03X0.5%0. 13x5.21 010,3X0.5 七0. 3X 0. 21八组常掰。曹题3x1,6二13X0.7 =4.2x20 =1.8X0.04 =1.2x0.6 =240 X 30