人教版六年级上册数学第六单元《百分数》计算能力综合训练题(含答案)

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名称 人教版六年级上册数学第六单元《百分数》计算能力综合训练题(含答案)
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科目 数学
更新时间 2025-12-05 00:00:00

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第六单元《百分数》计算能力综合训练题(5大类)
班级:________ 姓名:________ 评价:________
1. 口算
① 20%÷0.2 =    ② 50×30% =    ③ 6.3 + 3.7% =
④ 45÷90% =    ⑤ 20×15% =    ⑥ 3 - 60% =
⑦ 12%÷0.12 =   ⑧ 80×25% =    ⑨ 4.2 + 5.8% =
⑩ 72÷80% =     40×10% =     5 - 25% =
30%÷0.3 =     60×40% =     2.1 + 7.9% =
54÷60% =     30×20% =     4 - 40% =
2. 分数、小数化成百分数
① = (  )%   ② = (  )%   ③ = (  )%
④ = (  )%   ⑤ = (  )%   ⑥ = (  )%
⑦ 0.125 = (  )%  ⑧ 0.375 = ( )%  ⑨ 0.625 = (  )%
⑩ 0.875 = (  )%  0.08 = (  )%  0.04 = (  )%
= (  )%   = (  )%    = (  )%
2.4 = (  )%   1.8 = (  )%   0.005 = (  )%
3. 百分数化成分数或小数
① 12.5% =    ② 37.5% =   ③ 62.5% =
④ 87.5% =    ⑤ 24% =    ⑥ 36% =
⑦ 4.5% = ( )    ⑧ 8.2% = (  )    ⑨ 12.8% = (  )
⑩ 250% = (  )    150% = (  )     75% = (  )
0.5% =     1.5% =     2.5% =
120% = (  )    180% = (  )   300% = (  )
4. 解方程
①    ②   ③15 - 30%x = 9
④    ⑤   ⑥20 - 40%x = 12
⑦    ⑧   ⑨18 - 25%x = 10
⑩        24 - 50%x = 14
       30 - 60%x = 12
        36 - 75%x = 9
5. 计算下列各题,能简算的要简算
①  ②  ③ 4.8×75% - 0.75×1.8
④  ⑤   ⑥ 6.5×60% - 0.6×3.5
⑦  ⑧  ⑨ 7.2×80% - 0.8×4.2
⑩      8.1×90% - 0.9×5.1
      9.3×50% - 0.5×6.3
       10.4×40% - 0.4×7.4
答案
1. 口算
① 1  ② 15  ③ 6.337
④ 50  ⑤ 3  ⑥ 2.4
⑦ 1  ⑧ 20  ⑨ 4.258
⑩ 90   4   4.75
1   24   2.179
90   6   3.6
2. 分数、小数化成百分数
① 15  ② 44  ③ 85
④ 70  ⑤ 38  ⑥ 92
⑦ 12.5  ⑧ 37.5  ⑨ 62.5
⑩ 87.5   8   4
9   26   52.5
240   180   0.5
3. 百分数化成分数或小数
①   ②   ③
④   ⑤   ⑥
⑦ 0.045  ⑧ 0.082  ⑨ 0.128
⑩ 2.5   1.5   0.75
     
1.2   1.8   3
4. 解方程
①   ②   ③
④   ⑤   ⑥
⑦   ⑧   ⑨
⑩      
     
     
5. 计算下列各题,能简算的要简算
① 39  ② 0.2  ③ 2.25
④ 40  ⑤ 0.25  ⑥ 1.8
⑦ 55  ⑧ 0.2  ⑨ 2.4
⑩ 38      2.7
      1.5
      1.2