第5单元 认识方程-【练到位·口算一练通】2024-2025学年四年级数学下册（北师大版）

4年级下BS 《☒批改&错题本 练习一 字母表示数 1.直接写出得数。 3×2.7= 0.3×3.6= 1.6×0.3= 3.6×0.1= 5.2-2.8= 3.5+0.35= 3.1+0.8= 2×0.8= 1.2×0.9= 2.1×0.9= 3.4×0.4= 9×0.2= 0.3×0.5= 4.5-2.5= 6+0.6= 4×0.9= 1.5×5= 1.5×0.3= 7.8+2.2= 3.9×0.1= 2.7×0.1= 2.7+7.3= 5.5-3.5= 8-4.27= 9.6+6.9= 5×0.15= 1.9×5= 2.用竖式计算。 4.58+15.7= 18.6-9.98= 12.6×0.32= 1.38×5.2= 9.78×1.2= 78.35-66.29= 用时：二分秒错题：道 42 综合检测评价：☆☆☆☆☆ 第5单元认识方程 听算音频 练习二 等量关系 1.直接写出得数。 3x+2x= 1.2x-0.2x= 14.6x+5.4x= 1.5a+3.2a= t+6t= 5.7x-1.7x= 0.8b+0.2b= 5x-1.2x= 9d+11d= 3.6b-2.8b= 5x-0.8x= 0.39b+0.01b= 0.85a+0.15a= 4.2b-2b= 5.1d-3.8d= 4.6x-2.4x= 6.9x-0.9x= 7.7x+2.3x= 6x-0.6x= 0.5a+3.5a= 10.7x-1.7x= 1.08b+3.02b= 9x-6.5x= 9.6b-2.6b= 4.8x+7.3x= 8t-3.5t= 2.8x+1.7x= 2.用竖式计算。 15.7-4.84= 6.98+12.79= 13.5×4.6= 2.85×4.2= 5.69+17.8= 22-14.96= 用时：二分秒错题：道 43 综合检测评价：☆☆☆☆☆ 4年级下BS 《☒批改&错题本 练习三 方程 1.直接写出得数。 2.5+0.8= 2.5-0.8= 2.5×0.8= 7.6×2= 7.6-0.2= 25×0.4= 2.5×1.6= 3×3.5= 4.75+1.25= 4.6+6.4= 8.6-6.8= 7.1+8.9= 9.8-5.9= 0.3×0.33= 0.37×100= 12.5-1.5= 9.7-0.07= 3.5+4.2= 8.8×2= 9.9×0.2= 0.16×0.5= 83.5÷100= 7.5×4= 6.25×8= 2.1×0.4= 1.2×2.5= 7.2+4.8= 2.用竖式计算。 18.3+4.58= 17.86-9.89= 12.7×4.3= 6.08×3.2= 5.76+14.88= 12.7×0.48= 用时：二分秒错题：道 44 综合检测评价：☆☆☆☆☆ 第5单元认识方程 听算音频 练习四 解方程（一）（1) 1.直接写出得数。 3.6x+4.8x= a+7a= 2.1b+8.9b= 130x-76x= 1.2a-0.3a= 7.3m-7m= x-0.2x= 9.6a+a= 5.4x-3.2x= 10x+3.2x= 9x-1.5x= x+4.8x= 1.9x+0.1x= 0.7x+1.9x= 5b-3b= 3a+7a= 5.8b+1.2b= 0.9x+1.1x= 3.5x-x= 2.8x+x= 3x+5x= x-0.3x= 9x+17x= 5.4a+4.6a= 8.3b-2.7b= m-0.9m= 3.5x-1.3x= 2.解方程。 x+24=64 x+36=47 x-39=70 x-63=100 x+2.7=4.2 x-5.7=94 用时：二分秒错题：道 45 综合检测评价：☆☆☆☆☆ 4年级下BS 《☒批改&错题本 练习五 解方程（一）(2) 1.直接写出得数。 9.7+1.3= 9.5-5.9= 7.5+2.5= 0.12×0.2= 7.8-0.08= 0.67×100= 90×0.07= 9.4+3.5= 15×0.02= 52×0.2= 8.7-7.8= 0.9×21= 9.5×0.2= 2.5-1.7= 0.3×0.41= 0.4×0.25= 9.01+0.9= 0.09×0.7= 9.8+0.02= 0.8×0.11= 9.1+0.01= 7.9-6.8= 7.8+1.2= 7×1.2= 8.1×0.5= 12×0.03= 5.4×0.4= 2.解方程。 3+x=4.8 x+4=5.6 x-2.5=15 8.2+x=10 7.5+x=9.3 x-4.8=2.6 用时：二分秒错题：道 46 综合检测评价：☆☆☆☆☆ 第5单元认识方程 听算音频 练习六 解方程（一）(3) 1.直接写出得数。 0.5×12= 7.05×0.1= 1.8×0.6= 4.8-2.6= 1.25×4= 1.1×0.5= 5.7+3.3= 1.6×0.5= 5-4.8= 7.12+4.88= 1.8×0.03= 3.25×0.2= 0.32×0.4= 0.25×40= 4.83-2.7= 6.6-4.8= 2.4+4.6= 4.5×0.8= 8.4-3.2= 0.12×0.4= 0.72×0.2= 0.8×12= 8.4-3.6= 6.75+1.8= 0.35+1.65= 0.8×70= 9.37-6.37= 2.解方程。 x+4.8=15.7 x-7.25=4.8 x-112=58 48+x=56 x-18.3=16.9 112+x=208 用时：二分秒错题：道 47 综合检测评价：☆☆☆☆☆ 4年级下BS 《☒批改&错题本 练习七 解方程（二）(1) 1.直接写出得数。 4.8×0.2= 0.3×0.15= 4.6-3.7= 3.1×4= 7.2×0.4= 8.5+1.5= 5.7+4.8= 2.4×0.5= 6.1×0.8= 10.4×2= 7.85÷10= 9.3-2.85= 6-4.78= 500×0.2= 3.8×5= 4.2×0.06= 12.5×4= 8-7.75= 30×0.01= 4.5×0.5= 2.7×0.4= 7.3×0.6= 5.1×0.7= 4.8+2.6= 9.3-4.25= 5.6-1.8= 8.2×0.4= 2.解方程。 x÷4=18 25x=100 65÷x=13 x÷28=7 8x=64 6x=156 用时：二分秒错题：道 48 综合检测评价：☆☆☆☆☆ 第5单元认识方程 听算音频 练习八 解方程（二）(2) 1.直接写出得数。 3.5+0.7= 0.28×0.1= 6.07×9= 0.36×0.3= 2.08×3= 1.56×0.2= 7.2×0.3= 11.7-2.7= 8.4+5.6= 3.15×0.1= 4.2×0.5= 8.1×0.4= 0.46×0.2= 1.7×0.5= 2.86-1.37= 0.71×4= 0.5×0.9= 4.3+5.2= 1.07×6= 2.85+3.15= 1.2×0.7= 1.88×0.1= 1.03×30= 8.9×0.3= 7-4.28= 1.7×0.8= 0.8×1.5= 2.解方程。 25x=75 x÷8=36 x÷4=18 6x=72 9x=810 x÷5=12 用时：二分秒错题：道 49 综合检测评价：☆☆☆☆☆ 4年级下BS 《☒批改&错题本 练习九 解方程（二）(3) 1.直接写出得数。 4-0.25= 5.4÷100= 2.2×8= 0.09×0.5= 0.13×0.3= 0.4×0.4= 8.2-1.7= 0.5×500= 7.3-4.2= 62.5÷100= 1.8×0.02= 5.7+4.8= 6.3+2.2= 6.3+3.5= 5.4-1.9= 8.1-3.5= 3.1+4.05= 5.3×0.3= 0.5×1.2= 3.9×0.2= 2.6×4= 12.5×0.5= 4.8×0.3= 1-0.36= 0.04×25= 1.93+0.2= 8.5+1.25= 2.解方程。 7x=49 x÷1.3=2.5 6x=96 x÷12=14 4x=20 x÷18=26 用时：二分秒错题：道 50 综合检测评价：☆☆☆☆☆ 第5单元认识方程 听算音频 练习十 猜数游戏(1) 1.直接写出得数。 1.6×0.2= 0.9×0.6= 10-2.8= 5.78+2.22= 1.8×0.4= 0.25×0.2= 2.4×0.5= 7-3.6= 2.2×0.4= 0.2×0.5= 1.25×0.2= 2.53×2= 4.8+5.6= 9.3-2.75= 5.5×0.4= 5.7-4.8= 0.2×5.8= 48×0.5= 8.3+2.6= 4.3+1.7= 6.02×0.7= 9.2×0.3= 3.12×0.5= 3.27×2= 2.5×0.2= 8.3-4.7= 5.6+3.27= 2.解方程。 4x+25=25 2x-12×5=4 4x+12=144 (3x-15)×4=12 (200-x)÷3=41 3x+6=15 用时：二分秒错题：道 51 综合检测评价：☆☆☆☆☆4年级下BS参考答案 6.10.40.2 97.80.33 0.08274.8 2800.565.76 620.40.3 750.90.01 3.11.080.29 8.31.280.35 9.81.44 1 2.8.22623.16 12.32 19.613.4550.8976 43.85 22.420.817 3.18.0232.1815.81 9 5.4310.64 第4单元 观察物体 练习一 看一看 1.129.29100 0.60.745 0.980.81 16.10.450.6 2.7 10000.88 0.840.360.076 0.751.553.1 3.271290.18 8.0841.26 2.45.920.5332.4 4.79415.2715.29 练习二我说你搭 1.3.826.08 13.5701.55 0.0725238.13.21.522.64 0.451.181.02 0.0483.570.096 1.10.729.44 100.410 8.32.280.1 2.26.6337.928.502 20.8335.888.568 练习三搭一搭 1.0.6386.753.380.541.75 04580.48 151.21.3 50.0441.3 0.634.27650 0.087120.54 15.13.80.039 1.20.061 2.19.478.85 19.11 6.39435.208 10.19 练习四练习课 1.0.881.27.9 10216.4 0.080.11.820.381.260.98 30.931 0.50.251440 0.0355.9750.077102.5260.054 0.614.2 2.40.5810.426.96 2.894514.04264.01 第4单元计算达标检测 1.654205.70.1 4.21.535.04 0.722.75 130.0360.9 1.250.1750.0723.48.740.1 11.210.480.380.281.68 2.21.593.2710.25.61633.4715.11 第5单元认识方程 练习一字母表示数 1.8.11.080.480.362.43.85 3.91.61.081.891.361.8 0.1526.63.67.50.45 100.390.271023.73 16.50.759.5 2.20.288.624.0327.17611.73612.06 练习二等量关系 1.5xx20x4.7a7t4xb3.8x20d 0.8b4.2x0.4ba2.2b1.3d 2.2x6x10x5.4x4a9x 4.1b2.5x7b12.1x4.5t4.5x 2.10.8619.7762.111.9723.497.04 练习三方程 1.3.31.7215.27.410 410.56111.816 3.90.09937119.637.7 17.61.980.080.8353050 0.84312 2.22.887.9754.6119.45620.646.096 练习四解方程（一）(1) 1.8.4x8a11b54x0.9a0.3m 0.8x10.6a2.2x13.2x7.5x5.8x 2x2.6x2b10a7b2x 2.5x3.8x8x0.7x26x10a 5.6b0.1m2.2x 2.x=40x=11x=109 x=163x=1.5x=99.7 练习五解方程（一）(2) 1.113.6100.0247.7267 6.312.90.310.40.918.9 1.90.80.1230.19.910.063 9.820.0889.111.198.4 4.050.362.16 2.x=1.8x=1.6x=17.5 x=1.8x=1.8x=7.4 练习六解方程（一）(3) 1.60.7051.08 2.250.55 90.80.2120.0540.65 0.128102.131.873.6 5.20.0480.144 9.64.88.55 2563 2.x=10.9x=12.05x=170 x=8x=35.2x=96 练习七解方程（二）(1) 1.0.960.0450.912.42.8810 10.51.24.88 20.80.7856.45 1.2210019 0.252500.25 0.32.251.08 4.383.577.4 5.053.83.28 2.x=72x=4x=5 x=196x=8x=26 练习八解方程（二）(2) 1.4.20.02854.630.1086.240.312 2.169140.3152.13.24 0.0920.851.492.840.459.5 6.4260.840.18830.92.67 2.721.361.2 2.x=3x=288x=72 x=12x=90x=60 练习九解方程（二）(3) 1.3.750.05417.60.0450.0390.16 6.52503.10.6250.03610.5 8.59.83.5 4.67.151.59 0.60.7810.46.251.440.64 12.139.75 2.x=7x=3.25x=16 x=168x=5 x=468 练习十猜数游戏(1) 1.0.320.547.2 80.720.05 1.23.40.88 0.10.255.06 10.46.552.2 0.91.1624 10.964.214 2.761.566.54 0.53.68.87 2.x=0x=32x=33 x=6x=77 x=3 练习十一 猜数游戏(2) 1.1.040.660.39 17.210.65 2.21.143.419.81.35843 0.1571.8215.550.1288.40.102 1.1772.9 102.790.48 72.631.510.1 2.x=17x=21x=42x=5x=97x=29 练习十二猜数游戏(3) 1.1.20.522.2100.250.48 9.61.0211.151.117 5.70.70.66.41.91.72 1.040.1083.80.923.54.65 0.9110.47.7 2.x=15x=2x=48x=7x=1x=2 练习十三练习课 1.5121018.97.20.7 0.810.20.1230.19.910.063 9.820.08810110.843.3 3.50.0242.26.52.20.85 12.91.5313 2.x=160x=1.9x=98x=6x=3x=6 第5单元计算达标检测 1.0.39.151.33.81.71 11.320.53.943.211.84.8 0.96751.060.39.232 110.47311.652.041 128.73.215.261.60.48 40.3100.360.0249.9 2162.080.40.012 0.640.52780.350.6 2.x=21.5x=60x=6x=15x=10x=15 x=10x=0.27x=6 x=134x=60x=6 x=18x=52x=11 数学好玩 练习一密铺 1.6.6123.80.548.440.039 13100.8800.0615.47 7.91.7399 106.50.0102 0.080.381.820.40.110 612.041.75 2.x=25x=2x=5 x=59.2x=16x=16 练习二奥运中的数学 1.0.960.0451073.612.42.88 1.25.44.88 2.14.8512.42 3.360.61000.04287.52.52 8.86.3597.352.5250 5