四年级小数加减法竖式练习题
小数加减乘法混合运算练习题
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一、小数加减法⑴ 72.5-(5.2+18.6)⑵ 2.25+13.2+2.75 ⑶ 29-2.15-13.85⑷ 17.85+2.9-4.85 ⑸ 15.5+3.76+14.5二、小数乘法⑴0.48×1.25⑵18×3.06⑶ 3.45×21⑷36×5.5⑸0.28×0.25三、小数加减乘混合运算⑴0.25×5.8×0.4⑵0.79×98+0.79 ×2⑶58.36×0.5+18.2⑷ 4×0.125×2⑸ 1.01×8.5-1.01×3.5一、小数加减法⑴59.46 + 18.28 ⑵46.31 - 21.76 ⑶5.67-(2.34+1.67)⑷ 5.85-1.75-0.25 ⑸ 5.67-(2.34+1.67)二、小数乘法⑴0.4×0.076⑵1.5×0.062⑶ 6.5×0.34⑷150×0.12⑸0.87×1.5三、小数加减乘混合运算⑴ 1.6+2.4×0.3 ⑵ 3.4+1.25×2.4⑶31.8+3.2×4⑷ 8.59—4.1×0.1—4.59 ⑸ 2.6+1.4×1.5一、小数加减法⑴ 9.56 + 12.78 ⑵ 12.37 - 5.694 ⑶ 20.67-11.34⑷ 15.85+0.285 ⑸ 23.15 – 17.46二、小数乘法⑴0.57×0.032⑵ 6.8×0.29 ⑶12.6×0.63⑷ 3.07×0.59⑸0.27×1.05⑴ 5.67×0.2-0.62 ⑵33.34+4.5×2 ⑶0.8×2.5+6.2×4⑷ 3.45+1.79×0. 5⑸ 112.6-11.4×5一、小数加减法⑴ 12.56 + 0.297 ⑵ 3.285+1.79 ⑶ 13.25-6.88⑷ 6.85+3.765 ⑸ 27.8-13.45二、小数乘法⑴ 2.43×0.028⑵13.4×0.74⑶ 1.35×10.3⑷16.8×0.68⑸三、小数加减乘混合运算⑴10.1×38.67-3.867 ⑵(12.5-1.25)×8 ⑶1.2×2.5+8.2×6⑷ 3.7×1.63-0.37×15.3 ⑸ 8.63×25-0.063×250一、小数加减法(竖式计算)⑴ 27.38+4.83= ⑵ 26.75+2.83= ⑶ 3.64-2.58=⑷ 6.52-3.44= ⑸ 15.31+13.51=二、小数乘法⑴ 5.6×2.09= ⑵ 3.77×1.8= ⑶ 0.62×9.56 =⑷ 5.22×0.83= ⑸ 1.666×6.1=三、小数加减乘混合运算⑴ 6.8-6.8×0.5 ⑵ 0.25 ×3.2×12.5 ⑶ 2.6+2.4×(1.4-1.15)⑷ 7.7×9+7.9×3 ⑸ 0.8×[15.5-(3.21+5.79)]一、小数加减法(竖式计算)⑴ 15.85+64.69= ⑵ 19.01-7.99= ⑶ 7.51+0.479=⑷ 5.48-3.25= ⑸ 8.03-4.56=二、小数乘法⑴ 5.61×2.31= ⑵ 8.9×2.4= ⑶ 9.77×0.02=三、小数加减乘混合运算⑴ 31.8+3.2×4 ⑵ 51.8-7.05×6 ⑶ 0.4×2.7×0.25+0.23 ⑷ 0.8×1.5 -1.2×0.5 ⑸ 3.4+1.25×2.4)一、小数加减法(竖式计算)⑴ 3.27-2.49= ⑵ 10.63+58.79= ⑶ 11.65-7.39=⑷ 4.98+18.69= ⑸ 9.03-8.577=二、小数乘法⑴ 9.99×7.06= ⑵ 4.79×2.8= ⑶ 5.47×2.62=三、小数加减乘混合运算⑴ 2.55×7.1+2.45×7.1⑵14.37×2.6+2.6×5.63⑶1.25×3.2+7.8 ⑷ 3.2×1.5+2.5 ⑸ [37.85-(7.85+6.4)] ×30一、小数加减法(竖式计算)⑴ 8.25+1.55= ⑵ 9.43-8.05= ⑶ 1.875+2.908= ⑷ 4.28-3.397= ⑸ 6.13+2.86=二、小数乘法⑴56.78×3.8= ⑵5.6×2.79= ⑶3.77×1.8=三、小数加减乘混合运算⑴0.4×0.9×0.25⑵ 31.8-3.2×0.4 ⑶ 2.6+2.4×(1.4-0.9)⑷ 18.75-0.25×2-4.54 ⑸ 8.59-4.9×0.1-2.1一、小数加减法(竖式计算)⑴ 26.8+3.02= ⑵ 6.07-4.993= ⑶ 3.7+2.36=⑷ 15.4+2.97= ⑸ 10.2-8.75=二、小数乘法⑴5.55×5.2= ⑵36.02×0.35= ⑶ 2.92×3.53=三、小数加减乘混合运算⑴23.2×(0.15+0.25)⑵ 5.38+7.85-5.37 ⑶ 3.5-1.15×0.2 ⑷ 0.68×9.9+0.32×9.9 ⑸(7.1-5.6)×0.9-1.35一、小数加减法(竖式计算)⑴ 7.3-2.625= ⑵ 3.05-2.9= ⑶ 12.7+6.858=⑷ 0.704-0.25= ⑸ 12.16+5.347=二、小数乘法⑴4.88×2.9= ⑵9.99×0.82= ⑶ 5.65×6.5=三、小数加减乘混合运算⑴ 6.5×(4.88-1.2×4)⑵ 3.14×9.9+0.314 ⑶ 2.5×7.83×0.4 ⑷ 0.595×40.5+0.44×5.95 ⑸ 6.27×1.5-6.27一、小数加减法(竖式计算)⑴ 0.506-0.19= ⑵ 3.906+0.66= ⑶ 12.03+0.875=⑷ 75.6-3.55= ⑸ 62.1-17.607=二、小数乘法⑴ 1.679×6.1= ⑵ 9.45×0.802= ⑶8.9×2.34=三、小数加减乘混合运算⑴ 3.72×3.5+6.28×3.5 ⑵ 4.8×7.8+78×0.52 ⑶ 1.25×2.5×32 ⑷ 7.09×10.8-0.8×7.09 ⑸ 36.8-3.9-6.1×0.5一、小数加减法(竖式计算)⑴ 15.98-3.9= ⑵ 18.7+3.96= ⑶ 43.5-27.634=⑷ 5.67-0.845= ⑸ 7.81+3.735=二、小数乘法⑴ 3.9×1.02= ⑵ 5.75×0.504= ⑶ 6.19×2.06=三、小数加减乘混合运算⑴ 2.5×0.8+12.5×0.04 ⑵ 25×0.32+1.22 ⑶ 2.8×0.04×2.5 ⑷ 3.5×5.2+14.8×3.5 ⑸ 6.4×3.28+4.6×3.28-3.28一、小数加减法(竖式计算)⑴ 3.1-2.07= ⑵ 3.87+3.54= ⑶ 0.4-0.125=⑷ 9.6+4.78= ⑸ 11.004-7.3=二、小数乘法⑴ 2.65×10.01= ⑵ 3.82×5.67= ⑶ 70.8×12.4=三、小数加减乘混合运算⑴ 1.93+2.7+2.07+7.3 ⑵ 0.56×99+0.56 ⑶ (0.25+2.5+25)×0.4 ⑷ 15.6×13.1-15.6-15.6×2.1 ⑸ 12.5+0.5×0.08×20一、小数加减法(竖式计算)⑴ 1.908-0.899= ⑵ 8.67+3.076= ⑶ 10.1-0.555=⑷ 5.94+10.897= ⑸ 37.78+3.322=二、小数乘法⑴ 50.8×6.07= ⑵ 4.35×0.87= ⑶ 6.19×9.06=三、小数加减乘混合运算⑴ 4.36×12.5×0.8+12.5 ⑵ 27.5×3.7-7.5×3.7 ⑶ 1.2×2.5×0.04 ⑷ 3.83×4.56+3.83×5.44 ⑸ 8.76-3.57+2.43+7.57。
2023年人教版四年级数学下册(课时练)第6单元 小数的加法和减法
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第6单元小数的加法和减法6-1小数加减法(1)1.用竖式计算下面各题。
18.35+12.35=9.72+7.62=34.72-24.54=88.6-43.7=2.李强家4月份的电话费是65.35元,5月份的电话费是77.24元。
(1)小强家5月份比4月份多花电话费多少元?(2)小强家4月份和5月份一共花电话费多少元?3.在里填上合适的数。
参考答案1.30.717.3410.1844.92.77.24-65.35=11.89元77.24+65.35=142.59元3.解答:6.2小数的加减法(2)1.用竖式计算并且验算。
49.68+23.2=100-75.34=3.41+1.8= 2.1-0.38=2.用小数计算下面各题。
6km58m+13km142m9t50kg-4t620kg3.小云去文具店买文具。
(1)一支钢笔比一个文具盒贵多少钱?(2)如果只买文具盒与《魔方作文》,付20元钱够吗?参考答案1.72.8824.66 5.21 1.722.19.2km 4.43kg3.(1)3.81元(2)18.29够6.2练习十七1.用小数计算2吨50千克+630千克5米80厘米+4米15厘米5元6角+8元3角2.有甲乙两箱货物共重24.72千克,甲箱重15.3千克,甲箱比乙箱重多少千克?3.小明买词典用去23元5角,比买文具盒多用去8角3分,他一共用去多少元?参考答案1. 2.05+0.63=2.68千克 5.8+4.15=9.95米 5.6+8.3=13.9元2.乙箱:24.72-15.3=9.42千克15.3-9.42=5.88千克3.文具盒:23.5-0.83=22.67元22.67+23.5=46.17元6-3小数加减混合运算1.计算下面各题。
4.6-1.37+5.388.24-(2.16+3.29)16-7.28-3.2410.3+6.85-4.562.小红这学期订了两种杂志,订《作文魔方》用了13.8元,比订《小学生文摘》多用了0.6元。
)小数点加减法专项练习卷
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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。
小数加减带答案
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小数加减带答案【篇一:四年级小数加减练习题】0.3= 136.5-105=73.4+52.1=93.1-20.9=63.1-11=0.33+9.8= 3.56-0.54=5-4.15= 2.5+9.5=2.87+1.13=12.56-10.2=3.65+1.92=1-0.04=0.39+1.5= 4+0.05=7.1-1.7= 2.9-2= 10-4.3=0.4+0.5= 0.64-0.52= 3.8+6.2=1.2+1.8= 2-0.99= 0.78+2.2=2.5+3.2= 9.8-4.8=1.29-0.18=2.26+0.9= 8-0.82= 0.75+0.25=1.4+0.5= 10.8-8.5= 6.4+1.07=0.55+5.5= 1.05-0.09= 0.6+6.45=4.13-1.8= 0.46+0.54= 1.07-0.47=1.28+0.22=2.4-1.9=0.06+1.5=2.5-0.9= 4.2+0.53=3.64+4.36=5.6+4.4= 0.4+8.7=4.5+3.8=1.4-0.6= 7.4-3.8=5-3.4=0.28+0.41=3.8+0.12= 0.57+0.6=小数加减(二) 6.4-0.5= 6.7-5.8=9.8-3.8=7.8+6.4= 4.6+2.7=4.5+2.7= 5-1.6= 3-0.6= 3-1.2=6.7+7.6= 5.4+7.8=2.6+3.6=3.5-1.7= 8.3-2.6=1.4-0.7=4.5+2.8= 7.4+2.6=6.2+1.4=5.4-2.6= 2.3-1.4=3.7-1.8=5.2+1.6= 3.6+0.8=0.66+1.4=6.5-5.8= 0.72-0.49= 0.42-0.28= 0.24+0.19=2.4+1.3=4.5+2.3=0.72-0.27=0.78-0.32= 0.65-0.04= 0.23+0.16=0.29+0.15=0.16+0.19= 4-1.2= 7-4.6= 6-0.37= 0.28+0.27=0.75+0.42= 2.3+1.9= 8-0.64=2.7-0.8=10-4.2=7.1-3.9= 4.3-1.4=2.6-1.6= 0.8-0.3= 0.65-0.4= 0.91-0.6=1.8-1.6= 4.8-0.5=3.2-0.4=小数加减(三)9.8-4.8= 12-8.3= 15.2-6.5= 20.1-11.1=13.34-10.32= 6.52-0.48=6.3-5.1= 8.7-3.6=14.3-4.3= 1.5+0.54= 10-4.2= 2.47+3.24=2.98+0.56=5.64-1.78= 8.02+0.98=7.1-3.9= 2.8+11.39= 12.53+4.67=7.2-6.45= 1.65+3.35= 7.96-1.45= 60-1.27= 6.07+4.89= 5-0.41= 0.9+0.5= 2-0.7= 1.2+4.3= 0.12+0.3= 5.4-2.7=6+2.9=3.7-1.7=4.2+0.8=7.5+2.5=2.2+4.3= 9.5-7.1=3.5+1.6=5.2-2.8= 7.8+1.6=9.6-4.1= 10-4.2=5.1-2.5=4.1-3.4=1.2+3.8= 9.6-4.1=7.8+1.6=3.5+1.6=4.4-1.4=2.9+2.1=3.5+1.2=4.8-3.4=6.9-2.5=2.5+7.8= 8-5.4= 6.9-2.5=小数加减(四)2+3.5= 6.8-2.2=4.7+5.4=4.1+8.8= 2.2+5.5=9.6-2.1=1.7+3.8= 7.4-3.6=0.8-0.23=1.6+2.4= 4.7+3.5=1.2+3.6=1.5+3.8=2.8+1.2=7.3+2.7=7.3+2.7= 6.2-3.7=4.2-3.9= 0.54+0.65=7.5-5.2=0.7+0.5=0.32+0.47=8.3-6.3=7.2+0.42= 0.48+0.52=0.8-0.25= 43.5-0.65= 0.32-0.16=0.35+0.55= 0.87-0.8= 0.24-0.08=0.92-0.37= 1.4+0.6= 3.6+4.2= 0.72-0.48= 6.8+3.2=7.1-3.4= 0.42+0.66= 0.32+0.68=2.8+7.2= 0.65+0.19=3.09+1.2=3.25+5.64=0.25+0.47= 0.82+0.18=7.8+2.4= 0.45-0.18= 0.4+0.16=8.2+1.8= 0.73+0.27= 8-3.2=9.8-4.8= 3+2.4= 2.8-0.9=小数加减(五)1.29-0.18=5.1-0.8=10-0.3= 9+0.1= 8.9-4.9=6.8-0.7= 8-0.72=6.6-3.4=6.4+1.3=1.2-0.8= 7.3+6.2=8.7+3.6= 12.3+0.7= 0.8+9.2=4.7-1.9=5.1-3.9= 1.4-0.6=3.8+6.4= 0.6+7.45= 4.9+0.1=4.5+3.2=1.8+0.9= 6.5+0.5=10.5-6.5=7.5+0.5= 0.78-0.28= 12.8-2.8=9.6-2.3= 3.8+0.12= 0.8-0.08= 10-7.4=7.5-3.2=0.42+0.58=0.8+0.15= 2.5+0.4=8.2-2.6=1.4-0.7=2.5+4.6=0.5+9.8=6.7-2.6=7.2+5.9=8.7-3.6=5.69-2.48=2.9+4.1=9.1-6.7= 2.03+1.2= 8.6-4.9=1.3+2.03=9.46-7.21=1.56+2.24= 3.5-1.25=【篇二:小数的加减法测试题(六)_有答案】3.6+4.4=0.375+0.625= 5-0.12=0.48+5.9=4.3-1.6= 0.74-0.4= 6.2-2.8= 0.04+0.4= 1.69-0.69= 4-1.4-1.6=3.2+9.4+6.8= 14.3-5.6-4.3=二、用简便方法计算.14.15+5.87+5.858.07-5.8 +0.93 12.6-3.28+7.4-5.7228.93-7.46-5.546.38+5.4+4.6+3.62 15.047+8.92-5.04780-(8.24-6.3+1.76) 27.62-(7.62+4.85)三、脱式计算.1.12.83-(8.45-3.69) 2.100-(8.7+5.24-4.854)3.84.06+6.47-(35.2-5.19) 4.56.43-(15.27+30.29)四、用小数计算.1.4元6角2分+3元8分 2.9米41厘米-5米8分米3.4吨60千克-870克 4.18平方米30平方分米-12平方米63平方分米六、列式计算.1.什么数比9.83多1.29? 2.从43.24里减去什么数得8.96?3.7.48与5.96的和比20少多少?4.10减去3.49与4.78的和,差是多少?八、应用题.1.一袋米吃去32.18千克,还有17.82千克,这袋米原有多少千克?2.一个足球48.36元,一个篮球54.27元,王老师用150元买足球,篮球各一个,应找回多少元?3.一个长方形的长是0.54米,比宽多8厘米,这个长方形的周长是多少米?4.两根电线,第一根长48.3米,比第二根长6.5米,第一根用去9.4米后,比第二根少多少米?一、口算。
小数加减法竖式计算题200道
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小数加减法竖式计算题200道小数加减法竖式计算题是小学数学中的重要内容,掌握了小数的加减法竖式计算方法,对于提高小学生的数学能力和计算能力,具有非常重要的作用。
下面,我们就来创作200道小数加减法竖式计算题,帮助小学生更好地理解和掌握小数加减法竖式计算方法。
1、2.5 + 3.7 = (6.2)2、5.6 + 4.3 = (9.9)3、0.5 + 0.6 + 0.2 = (1.3)4、8.6 – 3.2 = (5.4)5、1.6 + 2.5 + 0.9 = (5.0)6、6.3 + 2.8 = (9.1)7、0.4 + 0.8 + 0.6 = (1.8)8、3.9 – 1.2 = (2.7)9、2.3 + 3.4 = (5.7)10、0.6 + 0.7 + 0.5 = (1.8)11、4.5 – 3.2 = (1.3)12、2.5 + 3.8 = (6.3)13、1.3 + 1.7 + 0.5 = (3.5)14、5.8 – 1.2 = (4.6)15、2.6 + 1.9 + 0.4 = (4.9)16、7.5 – 2.8 = (4.7)17、0.5 + 0.3 + 0.7 = (1.5)18、4.2 + 5.3 = (9.5)19、0.6 + 0.8 + 0.9 = (2.3)20、6.2 – 3.7 = (2.5)21、4.3 + 2.5 = (6.8)22、0.6 + 0.8 + 0.7 = (2.1)23、8.7 – 3.5 = (5.2)24、3.5 + 1.2 + 0.5 = (5.2)25、5.6 – 3.2 = (2.4)26、1.7 + 2.3 + 0.5 = (4.5)27、0.8 + 0.3 + 0.9 = (2.0)28、2.3 + 5.4 = (7.7)29、0.4 + 0.7 + 0.6 = (1.7)30、9.8 – 4.2 = (5.6)31、2.6 + 3.5 = (6.1)32、0.5 + 0.7 + 0.9 = (2.1)33、7.2 – 2.4 = (4.8)34、4.5 + 1.3 + 0.6 = (6.4)35、3.6 – 1.8 = (1.8)36、1.8 + 2.7 + 0.4 = (4.9)37、0.6 + 0.9 + 0.3 = (1.8)38、5.6 + 4.9 = (10.5)39、0.8 + 0.7 + 0.2 = (1.7)40、7.3 – 3.2 = (4.1)41、3.5 + 2.6 = (6.1)42、0.9 + 0.7 + 0.2 = (1.8)43、8.4 – 4.3 = (4.1)44、2.3 + 1.2 + 0.4 = (3.9)45、7.6 – 2.8 = (4.8)46、1.9 + 2.5 + 0.3 = (4.7)47、0.5 + 0.8 + 0.6 = (1.9)48、6.3 + 4.7 = (11.0)49、0.7 + 0.6 + 0.3 = (1.6)50、5.2 – 2.4 = (2.8)51、4.5 + 2.7 = (7.2)52、0.9 + 0.5 + 0.1 = (1.5)53、8.6 – 3.7 = (4.9)54、3.4 + 1.9 + 0.8 = (6.1)55、6.3 – 1.8 = (4.5)56、1.5 + 2.9 + 0.4 = (4.8)57、0.6 + 0.9 + 0.5 = (2.0)58、5.4 + 4.6 = (10.0)59、0.7 + 0.3 + 0.9 = (1.9)60、9.2 – 3.5 = (5.7)61、3.5 + 2.8 = (6.3)62、0.8 + 0.6 + 0.3 = (1.7)63、8.5 – 4.2 = (4.3)64、1.9 + 1.2 + 0.5 = (3.6)65、6.7 – 3.8 = (2.9)66、2.5 + 2.8 + 0.3 = (5.6)67、0.7 + 0.5 + 0.3 = (1.5)68、4.5 + 3.6 = (8.1)69、0.3 + 0.8 + 0.6 = (1.7)70、7.2 – 4.5 = (2.7)71、5.4 + 2.5 = (7.9)72、0.6 + 0.5 + 0.1 = (1.2)73、9.5 – 4.3 = (5.2)74、3.4 + 1.5 + 0.9 = (5.8)75、6.8 – 2.5 = (4.3)76、1.6 + 3.2 + 0.7 = (5.5)77、0.5 + 0.4 + 0.9 = (1.8)78、5.4 + 3.5 = (8.9)79、0.8 + 0.2 + 0.7 = (1.7)80、7.6 – 4.2 = (3.4)81、3.4 + 3.5 = (6.9)82、0.7 + 0.8 + 0.3 = (1.8)83、8.4 – 3.5 = (4.9)84、2.6 + 1.3 + 0.7 = (4.6)85、7.2 – 3.6 = (3.6)87、0.8 + 0.6 + 0.3 = (1.7)88、4.3 + 3.5 = (7.8)89、0.6 + 0.2 + 0.3 = (1.1)90、8.2 – 5.4 = (2.8)91、5.9 + 2.5 = (8.4)92、0.6 + 0.4 + 0.2 = (1.2)93、9.4 – 3.5 = (5.9)94、2.3 + 1.9 + 0.8 = (5.0)95、6.8 – 1.5 = (5.3)96、1.7 + 2.9 + 0.6 = (5.2)97、0.5 + 0.8 + 0.8 = (2.1)98、4.2 + 3.4 = (7.6)99、0.9 + 0.2 + 0.7 = (1.8)100、6.1 – 3.2 = (2.9)101、3.3 + 2.8 = (6.1)102、0.5 + 0.9 + 0.4 = (1.8)103、8.9 – 4.3 = (4.6)104、2.5 + 1.4 + 0.9 = (4.8)105、7.8 – 2.7 = (5.1)106、1.9 + 3.7 + 0.6 = (6.2)107、0.6 + 0.3 + 0.9 = (1.8)108、4.1 + 3.8 = (7.9)109、0.8 + 0.6 + 0.1 = (1.5)110、7.3 – 4.2 = (3.1)111、5.6 + 2.7 = (8.3)112、0.5 + 0.8 + 0.7 = (2.0)113、9.8 – 3.7 = (6.1)114、2.4 + 1.5 + 0.7 = (4.6)115、8.9 – 4.2 = (4.7)116、1.6 + 2.9 + 0.7 = (5.2)118、4.7 + 3.6 = (8.3)119、0.7 + 0.2 + 0.4 = (1.3)120、6.8 – 5.2 = (1.6)121、3.6 + 2.5 = (6.1)122、0.6 + 0.9 + 0.6 = (2.1)123、8.7 – 3.9 = (4.8)124、2.5 + 1.3 + 0.8 = (4.6)125、9.2 – 4.5 = (4.7)126、1.8 + 2.3 + 0.6 = (4.7)127、0.5 + 0.8 + 0.5 = (1.8)128、4.8 + 3.6 = (8.4)129、0.6 + 0.3 + 0.8 = (1.7)130、7.5 – 3.2 = (4.3)131、6.4 + 2.7 = (9.1)132、0.6 + 0.4 + 0.1 = (1.1)133、8.6 – 4.3 = (4.3)134、2.5 + 1.2 + 0.9 = (4.6)135、5.8 – 4.2 = (1.6)136、1.5 + 2.6 + 0.6 = (4.7)137、0.8 + 0.5 + 0.6 = (1.9)138、4.7 + 3.5 = (8.2)139、0.7 + 0.4 + 0.3 = (1.4)140、6.9 – 3.2 = (3.7)141、4.5 + 3.5 = (8.0)142、0.9 + 0.5 + 0.3 = (1.7)143、9.4 – 4.2 = (5.2)144、2.3 + 1.5 + 0.8 = (4.6)145、6.8 – 2.5 = (4.3)146、1.7 + 2.8 + 0.7 = (5.2)147、0.6 + 0.9 + 0.4 = (1.9)148、5.6 + 3.4 = (9.0)149、0.8 + 0.3 + 0.8 = (1.9)150、8.7 – 3.9 = (4.8)151、3.5 + 2.7 = (6.2)152、0.5 + 0.8 + 0.6 = (1.9)153、9.8 – 4.7 = (5.1)154、2.5 + 1.4 + 0.5 = (4.4)155、5.3 – 1.8 = (3.5)156、1.5 + 1.9 + 0.6 = (4.0)157、0.8 + 0.4 + 0.5 = (1.7)158、4.3 + 3.7 = (8.0)159、0.6 + 0.3 + 0.2 = (1.1)160、7.6 – 3.5 = (4.1)161、6.2 + 2.8 = (9.0)162、0.7 + 0.5 + 0.2 = (1.4)163、8.6 – 4.3 = (4.3)164、2.6 + 1.3 + 0.7 = (4.6)165、7.9 – 2.5 = (5.4)166、1.6 + 1.9 + 0.7 = (4.2)167、0.6 + 0.8 + 0.3 = (1.7)168、4.5 + 4.6 = (9.1)169、0.9 + 0.2 + 0.6 = (1.7)170、7.8 – 4.5 = (3.3)171、5.4 + 2.8 = (8.2)172、0.5 + 0.6 + 0.2 = (1.3)173、8.7 – 4.2 = (4.5)174、2.5 + 1.4 + 0.8 = (4.7)175、6.8 – 2.4 = (4.4)176、1.9 + 2.3 + 0.4 = (4.6)177、0.5 + 0.8 + 0.7 = (2.0)178、3.6 + 5.4 = (9.0)179、0.8 + 0.3 + 0.9 = (2.0)180、9.2 – 4.5 = (4.7)181、3.5 + 2.5 = (6.0)182、0.6 + 0.6 + 0.3 = (1.5)183、8.5 – 4.3 = (4.2)184、2.5 + 1.3 + 0.5 = (4.3)185、6.9 – 1.8 = (5.1)186、1.9 + 2.9 + 0.3 = (5.1)187、0.8 + 0.5 + 0.8 = (2.1)188、4.6 + 3.8 = (8.4)189、0.7 + 0.2 + 0.6 = (1.5)190、7.5 – 4.3 = (3.2)191、5.6 + 3.4 = (9.0)192、0.5 + 0.7 + 0.8 = (2.0)193、9.5 – 4.2 = (5.3)194、2.5 + 1.4 + 0.6 = (4.5)195、6.8 – 3.2 = (3.6)196、1.5 + 1.8 + 0.6 = (3.9)197、0.8 + 0.7 + 0.3 = (1.8)198、4.3 + 4.5 = (8.8)199、0.6 + 0.3 + 0.1 = (1.0)200、8.7 – 3.2 = (5.5)小数加减法竖式计算题是小学生掌握小数运算的重要方法。
人教版四年级数学下册《小数加减法竖式和混合运算》练习题
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人教版四年级数学下册《小数加减法竖式和混合运算》练习题8.42 + 9.48 = 17.9042.56 + 3.124 = 45.68491.26 - 30.35 = 60.9115.6 × 0.237 = 3.703280 - 52.1 = 27.97.35 - 1.41 = 5.9414.33 + 5.46 = 19.7912.59 + 7.03 = 19.6225.7 - 12.2 = 13.53.3 + 22.75 = 26.052、脱式计算8 - 7.19 + 3.83 = 4.642.58 - (3.5 - 2.12) = 1.213.75 - 5.28 - 4.72 = 3.752.25 + 4.8 + 0.75 = 7.89.65 ÷ 8.4 = 1.14883、用小数计算5.62 + 3.09 = 8.711.03 + 980 = 981.0310 - 4.8 = 5.24.89 - 3.05 = 1.844.658.685.35 + 5.7 = 10.05第二天练题1、竖式计算14.9 + 3.49 = 18.3912.75 - 6.039 = 6.71113.01 - 3.1 = 9.9189 - 9.57 = 79.4316.35 + 3.59 = 19.942、脱式计算6.24 - (2.19 + 1.86) = 2.193.8 + 1.4 = 5.26.39 + 0.3 - 6.39 + 0.31 = 0.613、用小数计算20.16 - 7.049 = 13.1113.65 + 7.54 = 11.192.35 = -2.352.36 + 0.88 - 2.63 + 0.21 = 0.82 9.03 - 0.97 = -101.08 + 1.666 =2.7461.0666 - 5.014 = -3.947410.68 + 3.6 = 14.284 - 5.014 = -1.014第三天练题1、竖式计算无明显格式错误或段落问题。
)小数点加减法专项练习卷
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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。
小数加减法练习题五题
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小数加减法练习题五题0.7+0.9= 0.8+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=-0.04=1-0.03=30.5+3.05= 0.8-0.45=0.78+2.2= -0.08= .25+0.75= 10-0.1=1.5-0.5= 1-0.9= .3+0.6= 0.9+0.8=1.9-0.9=3.5-.4=0.36+0.64=0.96-0..5+.2=-0.5=2.7-0.4=1-0.3= 0.8+ 0.7= .5-3= .8-1.1= .4-1.5= 1.5-0.5= 1-0.9= .3+0.6= 0.9+0.8=1.9-0.9= .-2.4= 0.36+0.64= 0.96-0.3= 1.5-0.5= 1-0.9=.3+0.6= 0.9+0.8=1.9-0.9=2、计算下列各题8.65-6.31= 10-7.64=13.6+8.46= 0.99+1.1= 1.23+6.52=5.32-0.93=6.35-5.23=1.23+5.69= 1.26+5.21=0.96-0.23=.26-4.93=.16-0.23=.28+7.32=5.2-0.9=2.65+9.32=.63+8.92=.65-6.23= .28+4.75=9.23+5.45= .2 3-4.53=.52+2.63=4.62+8.95=.24+6.21=.52+4.65=10-3.65= .2+1.73=18.7+3.14= 3.5-2.8=3、脱式计算,能简便的要简便简便计算。
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。
小数加减法计算题库
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四年级下册计算题库(一)——整数、小数的加法和减法1.整数数的加减法(竖式计算)(11人)911 + 827 = 367 + 374 = 356 + 642 = 545 + 547 = 400 + 687 = 104 + 480 = 302 + 612 = 685 + 482 = 509 + 521 = 680 + 370 = 866 + 900 = 6 + 215 = 551 + 608 = 74 + 664 = 31 + 341 = 93 + 71 = 420 + 947 = 185 + 314 = 852 + 95 = 305 + 565 = 887 + 265 = 785 + 161 = 63 + 210 = 763 + 846 = 543 + 639 = 292 + 876 = 988 + 213 = 592 + 965 = 792 + 533 = 139 + 628 = 461 + 528 = 773 + 366 = 882 + 208 =139 + 196 = 411 + 923 = 35 + 72 = 19 + 830 = 587 + 958 = 366 + 699 = 169 + 346 = 926 + 323 = 38 + 104 = 327 + 678 = 898 + 281 = 224 + 910 = 477 + 592 = 365 + 93 = 465 + 306 = 512 + 755 = 593 + 394 = 422 + 694 = 106 + 378 = 323 + 313 = 328 + 263 =2.小数数位相同的加减法(竖式计算)27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44=15.31+13.51= 5.5+4.5= 3.27-2.49= 11.65-7.39=19.01-7.99= 7.51+0.49= 5.48-3.25= 4.8+18.9=10.3+58.7= 8.03-4.56= 9.03-8.57= 8.25+1.55=9.43-9.05= 1.75+2.08= 4.28-3.37= 4.13+2.24=4.17+2.53=5.07-0.98= 5.67-0.73= 13.18+5.27=3.小数数位不同的加减法(竖式计算)(注意:小数点一定要对齐) 26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97=10.2-8.75= 7.3-2.25= 3.8+3.54= 3.05-2.9=3.1-2.07= 12.7+6.58= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78=5.67-0.845=0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07=1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55=4.整数与小数的加减法(竖式计算)10+10.1= 27+8.03= 26+7.98= 13.99+1=7.88+2 = 28-3.56= 10-0.81= 10-0.36=20-0.92= 8-7.089= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 10-0.41= 45-0.45= 3.57+3=5.小数加减混合运算(递等式计算)5.03-2.5+0.96 22.8-5.23-9.125 23.66+4.34-3.56 5.6-0.81-1.29 15.9+3.26+4.17 67.2+41.5-71.39 10.75+0.4-9.473 16.23+8.92-7.56 50-28.5-13.4513.79-9.653+170.57 1.5+0.68-0.306 72.8-8.6+5.8420.8-(15.98-3.9) 32.5+(5.07+6.13) 3.52-(4.66-3.82)6.小数加减简便运算(递等式计算)0.9+1.08+0.92+0.1 5.26+3.43+0.74 5.6+2.7+4.420.15+7.62+7.85 51.27-8.66-1.34 48.14-2.43-7.5718.76-3.47-0.53 5.17-1.8-3.2 70.8-1.25-1.754.02-3.5+0.98 4.25-0.83+0.75 23.04-0.8-13.4-6.215.13+4.92-5.13 3.98-1.5+6.02 4.8+1.2-4.8+1.230.99-(8.5+15.99) 72.6-(22.6+3.45) 36.06-(5+6.06)三角形及内角和基础题(8人)一、填空题。