第4单元 小数加法和减法 训练1～3-【轻松计算】五年级上册口算题卡(苏教版)

参考答案 五年级(上)·SAAA (2)839860000=8.3986亿≈8.40亿 3.(1)15.42<16.3 训练7 1.(1)2.40.30.45.88.172.90.9 00米赛跑小丽跑得快,快0.88秒。 4.06.6 (2)立定跳远小玲比小丽多跳多少米 (2)8.700.300.506.810.9970.0 1.95-1.78=0.17(米)(答案不唯 0.923.578.49 训练 1.21.8853.7222.079 3.6541.456541.52242.562242.6444.39 44.418231.3718231.4 2.14.03850.200534.24994.4298.718 训练8 19.4526.67570.18114.58442.945 1.0.768.020.320.50.690.1070.923.989.8798769.876588:8889 9.87654 2.35.8635.9540.996541.064.302964.34.50-12.5-7.66-21.8=8.04(元) 9.8469.82.60052.660.7003260.7 第四单元计算能力检测 3.0.860.8060.680.0860.068 1.0.870.120.880.50.974.60.97 4.(1)92881000=9288.1万≈9288万 3.921.051.40.718.312.639.32 (2)92074000=0.92074亿≈0.921亿 第三单元计算能力检测 3.36.1917.562.8712.084.279.96 6.087.252.01480.32400.702 17.43.04203.460.807066.0606 4.43.0522.2718.9336.5819.4524.886 5.19.819.9819.99819.999819.99998 ><<<< 6.(1)45.9+2.5=48.4(元) 3.11.00.961717.417.426059.6 (2)50-48.4=1.6(元) 7.(1)100-35.7=64.3(元 4.74.31674.325.0735.073.2973.30 64.3-35.7=28.6(元) 0.770280.7 期中计算能力检测 (1)0~7(2)0~9(3)0~4(4)0~9 1.2.735.20.089.964.150.2217.75 6.(1)4.075<4.63<5.2<5.21 2.29.83.9110.65 (2)85分<8元5分<8.5元 2.16.6217.28393.9211.14.445.16 7.(1)8.0048.040、8.400 0.3851.06 (2)400.8(3)840.00.048 3.400000.980000639009000000 (4)40.0840.80、80.40、80.04 (5)4.800(6)0.8040.840 4.0.270.890.0050.0060.33.56 四小数加法和减法 训练 6.(1)3×4÷2=6(cm2) 3.95.222.68.35.343.929.25 (2)6×8=48(dm2) 16.216.8 (3)(5+15)×8÷2=80(cm2) 2.4.5418.486.015.1115.180.95 (4)(25+40)×20÷2+15×22÷2=815(cm2) 3.(1)0.4+0.05=0.45(米) 7.42.7142.7932.7018932. (2)1.32+0.45=1.77(米) 7.71167.76.04366.0 训练2 8.12×5=60(平方米)1020÷60=17(千克 1.6.84.312.731.1929.21.5 9.944+7.54+1.27+69.3+22.8=1044.91(万平 2.(×) (×)4 方千米 35.9 0.2×8÷2+8×3=32(平方米) 32÷2×10=160(元) 73 日L姓名 时间:分秒五年级(上)·S 训练3用计算器计算小数加、减法 1.用竖式计算,再用计算器验算。 25.06-3.175= 8.6-4.88 5.04+17.039 用计算器计算下面各题 6.2+3.95+3.888 8.4+41.6+0.2005= 3.75+32.28-1.781= 8.65+98.56-12.79 0.85+6.98-7.568+98.456= 23.56-6.89+2.78= 23.45+3.27-0.045= 89.65-65.79+46.321 16.87-3.654+1.368 50-4.689-2.366= 3.用计算器计算前三题,找出规律,再把其他算式补充完整,并直接写出得数。 88.