
六年级数学上册 第六单元《百分数》计算综合训练 班级:_____ 姓名:_____ 评价:_____ 1. 口算 ① 20%÷0.2 = ② 80×15% = ③ 6.3 + 3.7% = ④ 45÷90% = ⑤ 25×40% = ⑥ 3 - 60% = ⑦ 30%÷0.3 = ⑧ 70×30% = ⑨ 4.8 + 5.2% = ⑩ 56÷80% = 18×50% = 5 - 25% = 40%÷0.4 = 90×10% = 7.2 + 2.8% = 63÷70% = 32×25% = 4 - 15% = 50%÷0.5 = 60×25% = 2.1 + 7.9% = 2. 分数、小数化成百分数 ① =( )% ② =( )% ③ =( )% ④ 0.125 =( )% ⑤ 0.34 =( )% ⑥ 2.6 =( )% ⑦ =( )% ⑧ =( )% ⑨ =( )% ⑩ 0.08 =( )% 0.72 =( )% 4.5 =( )% =( )% =( )% =( )% 0.42 =( )% 0.03 =( )% 1.8 =( )% =( )% =( )% 0.95 =( )% 3. 百分数化成分数或小数 ① 12.5% = ② 120% = ③ 0.5% = ④ 37.5% =( ) ⑤ 1.2% =( ) ⑥ 125% =( ) ⑦ 15% = ⑧ 240% = ⑨ 0.8% = ⑩ 62.5% =( ) 2.5% =( ) 150% =( ) 22.5% = 180% = 1.5% = 87.5% =( ) 3.2% =( ) 175% =( ) 35% = 260% = 2.4% =( ) 4. 解方程 ① ② ③ 15 - 25%x = 10 ④ ⑤ ⑥ 20 - 40%x = 12 ⑦ ⑧ ⑨ 18 - 15%x = 12 ⑩ 25 - 30%x = 10 30 - 20%x = 18 35 - 10%x = 28 40 - 15%x = 25 5. 计算下列各题,能简算的要简算 ① ② ③ 4.2×70% - 0.7×0.2 ④ ⑤ ⑥ 6.5×60% - 0.6×2.5 ⑦ ⑧ ⑨ 7.8×50% - 0.5×3.8 ⑩ 8.4×40% - 0.4×4.4 9.6×30% - 0.3×5.6 10.5×20% - 0.2×6.5 11.2×10% - 0.1×7.2 答案 1. 口算 ① 1 ② 12 ③ 6.337 ④ 50 ⑤ 10 ⑥ 2.4 ⑦ 1 ⑧ 21 ⑨ 4.852 ⑩ 70 9 4.75 1 9 7.228 90 8 3.85 1 15 2.179 2. 分数、小数化成百分数 ① 15 ② 34 ③ 92 ④ 12.5 ⑤ 34 ⑥ 260 ⑦ 17.5 ⑧ 95 ⑨ 62 ⑩ 8 72 450 36 52.5 74 42 3 180 55 67.5 95 3. 百分数化成分数或小数 ① ② ③ ④ 0.375 ⑤ 0.012 ⑥ 1.25 ⑦ ⑧ ⑨ ⑩ 0.625 0.025 1.5 0.875 0.032 1.75 0.024 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 27 ② 0.2 ③ 2.8 ④ 44 ⑤ ⑥ 2.4 ⑦ 23 ⑧ 0.1 ⑨ 2 ⑩ 50 1.6 63 1.2 100 0.8 93 0.4 ... ...
~~ 您好,已阅读到文档的结尾了 ~~