最新人教版小学五年级数学下册口算题+汇编　全册名师优秀教案.doc

人教版小学五年级数学下册口算题 汇编全册五年级下册口算题 17×40, 100,63, 3.2，1.68, 2.8×0.4, 14,7.4, 1.92?0.04, 0.32×500, 0.65，4.35, 10,5.4, 4?20, 3.5×200, 1.5,0.06, 0.75?15, 0.4×0.8, 4×0.25, 0.36，1.54, 1.01×99, 420?35, 25×12, 135?0.5, 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51?17, 32.8，19, 5.2?1.3, 1.6×0.4, 4.9×0.7, 1?5, 6?12, 0.87,0.49, ) 0.2×0.01, 2) 99×0.45, 3) 3.6，7.5, 4) 12?4, 5) 1.25×0.8×0.5, 6) 0.9?0.001, 7) 12,7.2,2.8, 8)(1.25，0.36)×0.2, 9) 16?1.6, 10) 3.5，3.5×3, 11) 64.32?16, 12) 0.43，1.7，3.3, 13) 3.5×1.07,0.07×3.5, 14) 42.35,(17.45，2.3), 15) 2.4×4.9，5.1×2.4, 16) 0.99，1.08, 17) 5.6×1.01, 18) 2.56,1.37, 19) 5.4,2.5,1.4, 20) 4.2?0.01, 21) 1.25×9.2×0.8, 22) 6.6?2.2, 23) 1.23，7.1，3.77，2.9, 24) 7?0.25, 25) 0.65×99，0.65, 26) 72.8?0.8, 27) 7.5×2.5×4, 28) 0.4×1.2，1.8×0.4, 29) 13.6×3.5,3.6×3.5, 30) 6.2?0.3，2.8?0.3, 0.6×1.2= 0.84?0.6= 4.5×0.1= 15×0.4= 0.1×0.5= 2.8?7= 100?0.01= 1.4×3= 0.72?8= 6?0.03= 0.5×0.6= 40×0.9= 4?0.5= 7×2.1= 8.89+0.1= 24×0.25= 0.1?0.01= 2.4×0.8= 9×0.4= 10×0.01= 30.2-3.02= 4.3-0.25= 1-0.82= 9.6?0.3= 2.6×0.01= 0×25.4= 4.8×0.4= 7.2，2.8= 78×100, 0?150, 32?0.4, 1300×300= 2.6×100, 150?15, 32×0.4, 2600?100, 32.8?8, 1.64?4, 300?60, 18×700= 400?80, 64?4, 360?20, 420?70, 19×4, 540?90, 74?2, 360?40, 270?30, 540?60= 57?19, 70?70, 400?50, 350?70, 810?90, 430?5, 6.6?1.1, 7.6?4, 1.54?0.22, 4800?200= 1.89?0.63, 3600?180= 128?3.2, 110?55, 32.8?41, 750×0.5= 4.32?0.8, 960?12, 200?40, 420?30, 142?71, 560?80, 60×0.02, 660?30, 480×0.8, 72?4, 0.63?21, 6400?800= 0.05×20, 51?1.7, 48?16, 70?35, 9.2?2.3, 2.7×0.3, 1.5×0.4, 28×0.03, 0.38?19, 0.68?3.4, 40?2, 650?13, 980?14, 680?34, 720?4, 800?16, 720×0.5 230?46, 600×0.03, 160?40, 0.23×30, 50×1.2, 3300×30= 9600?300= 4000?500= 2500?500= 1.4×300= 0.26×200= 0.50×90= 560?70= 1500?300= 0.05×200= 7200?9= 0.18×20= 4.5×0×250= 0.69?0.3×0.1= 0?460×400= 6.8?0.68×128= 7200?9?4= 960?5?6= 350×0.2×0.5= 12.5×8×4= 1×24，24, 5.6×2?5.6, 8.4，1.6?4, 6.3?7×90, (84，16)?4, 5035?7, 420?7，140, 39?(24,11), 12×2.5, 2.63，0.37, 0.7×16,16×0.2= 0.96?0.3, 1.5,4.5= 2.5×0.4 1.4×2.5×4, 8,2.5, 6?1.2= 9.2?2.3= 24?4，56?4, 0.36，0.64, 4?0.25= 1.8×5= 30×(200，3), 8.4?4.2= 8×1.5, 4.8?0.3= 2.73，1.5×4, 3.4,1.4= 7.82,7.2= 2.19，9.1= 10.1,0.89= 0.68，0.42= 8.1,5.1= 0.728,0.24= 0.8，0.18= 0.89,0.25= 1,0.98= 0.048，0.52= 5×400= 19.9+11.1= 187?1000= 1+3.89= 0.081×10= 75?10= 0.96?0.8= 0.8×7, 1.5×7, 1.32×8, 0.7×8, 10.3×2, 5×0.6, 0.9×0.3, 3.5×0.2, 2.01×0, 10×0.05, 0.13×7, 0.21×100, 0.7×4, 0.05×4, 4×0.3, 12.5×8, 2.3×4, 3.25×0, 0.4×50, 30×0.1, 2.6×3, 4.1×2, 0.35×0.2, 7.5×0.1, 1,0.08, 3.5×0.01, 1.25?0.25, 0×9.8, 3.9，0.39, 4.8，5.2, 0.5×0.4 , 4?0.25, 3?4, 8.1?9, 2.5×4, 6,0.025, 3.6，6.3, 0.05×4, 3.5×0, 0?3.5, 0.9×0.3, 1×0.06, 9×0.5, 1.25×8, 2.6×3, 4.1×2, 0.35×0.2, 7.5×0.1, 0.9×0.3, 1×0.06, 9×0.5, 1.25×8,17×40, 100,63, 3.2，1.68, 2.8×0.4, 14,7.4, 1.92?0.04, 0.32×500, 0.65，4.35, 10,5.4, 4?20, 3.5×200, 1.5,0.06, 0.75?15, 0.4×0.8, 4×0.25, 0.36，1.54, 1.01×99, 420?35, 25×12, 135?0.5, 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51?17, 32.8，19, 5.2?1.3, 1.6×0.4, 4.9×0.7, 1?5, 6?12, 0.87,0.49, 1) 0.2×0.01, 2) 99×0.45, 3) 3.6，7.5, 4) 12?4, 5) 1.25×0.8×0.5, 6) 0.9?0.001, 7) 12,7.2,2.8, 8)(1.25，0.36)×0.2, 9) 16?1.6, 10) 3.5，3.5×3, 11) 64.32?16, 12) 0.43，1.7，3.3, 13) 3.5×1.07,0.07×3.5, 14) 42.35,(17.45，2.3), 15) 2.4×4.9，5.1×2.4, 16) 0.99，1.08, 17) 5.6×1.01, 18) 2.56,1.37, 19) 5.4,2.5,1.4, 20) 4.2?0.01, 21) 1.25×9.2×0.8, 22) 6.6?2.2, 23) 1.23，7.1，3.77，2.9, 24) 7?0.25, 25) 0.65×99，0.65, 26) 72.8?0.8, 27) 7.5×2.5×4, 28) 0.4×1.2，1.8×0.4, 29) 13.6×3.5,3.6×3.5, 30) 6.2?0.3，2.8?0.3, 0.6×1.2= 0.84?0.6= 4.5×0.1= 15×0.4= 0.1×0.5= 2.8?7= 100?0.01= 1.4×3= 0.72?8= 6?0.03= 0.5×0.6= 40×0.9= 4?0.5= 7×2.1= 8.89+0.1= 24×0.25= 0.1?0.01= 2.4×0.8= 9×0.4= 10×0.01= 30.2-3.02= 4.3-0.25= 1-0.82= 9.6?0.3= 2.6×0.01= 0×25.4= 4.8×0.4= 7.2，2.8= 78×100, 0?150, 32?0.4, 1300×300= 2.6×100, 150?15, 32×0.4, 2600?100, 32.8?8, 1.64?4, 300?60, 18×700= 400?80, 64?4, 360?20, 420?70, 19×4, 540?90, 74?2, 360?40, 270?30, 540?60= 57?19, 70?70, 400?50, 350?70, 810?90, 430?5, 6.6?1.1, 7.6?4, 1.54?0.22, 4800?200= 1.89?0.63, 3600?180= 128?3.2, 110?55, 32.8?41, 750×0.5= 4.32?0.8, 960?12, 200?40, 420?30, 142?71, 560?80, 60×0.02, 660?30, 480×0.8, 72?4, 0.63?21, 6400?800= 0.05×20, 51?1.7, 48?16, 70?35, 9.2?2.3, 2.7×0.3, 1.5×0.4, 28×0.03, 0.38?19, 0.68?3.4, 40?2, 650?13, 980?14, 680?34, 720?4, 800?16, 720×0.5 230?46, 600×0.03, 160?40, 0.23×30, 50×1.2, 3300×30= 9600?300= 4000?500= 2500?500= 1.4×300= 0.26×200= 0.50×90= 560?70= 1500?300= 0.05×200= 7200?9= 0.18×20= 4.5×0×250= 0.69?0.3×0.1= 0?460×400= 6.8?0.68×128= 7200?9?4= 960?5?6= 350×0.2×0.5= 12.5×8×4= 1×24，24, 5.6×2?5.6, 8.4，1.6?4, 6.3?7×90, (84，16)?4, 5035?7, 420?7，140, 39?(24,11), 12×2.5, 2.63，0.37, 0.7×16,16×0.2= 0.96?0.3, 1.5,4.5= 2.5×0.4 1.4×2.5×4, 8,2.5, 6?1.2= 9.2?2.3= 24?4，56?4, 0.36，0.64, 4?0.25= 1.8×5= 30×(200，3), 8.4?4.2= 8×1.5, 4.8?0.3= 2.73，1.5×4, 3.4,1.4= 7.82,7.2= 2.19，9.1= 10.1,0.89= 0.68，0.42= 8.1,5.1= 0.728,0.24= 0.8，0.18= 0.89,0.25= 1,0.98= 0.048，0.52= 5×400= 19.9+11.1= 187?1000= 1+3.89= 0.081×10= 75?10= 0.96?0.8= 0.8×7, 1.5×7, 1.32×8, 0.7×8, 10.3×2, 5×0.6, 0.9×0.3, 3.5×0.2, 2.01×0, 10×0.05, 0.13×7, 0.21×100, 0.7×4, 0.05×4, 4×0.3, 12.5×8, 2.3×4, 3.25×0, 0.4×50, 30×0.1, 2.6×3, 4.1×2, 0.35×0.2, 7.5×0.1, 1,0.08, 3.5×0.01, 1.25?0.25, 0×9.8, 3.9，0.39, 4.8，5.2, 0.5×0.4 , 4?0.25, 3?4, 8.1?9, 2.5×4, 6,0.025, 3.6，6.3, 0.05×4, 3.5×0, 0?3.5, 0.9×0.3, 1×0.06, 9×0.5, 1.25×8, 2.6×3, 4.1×2, 0.35×0.2, 7.5×0.1, 0.9×0.3, 1×0.06, 9×0.5, 1.25×8, 0.2×0.4, 8.2，1.8, 100,35.22, 2.5×0.4, 2.4×5, 0.22×4, 0.9,0.52, 3.99×1, 0×3.52, 2.5?5, 8.4?7, 0.34?17, 2.5?0.5, 8.4?0.7, 0.34?0.17, 30.4?4, 1.2×6, 0.72?0.6, 2.6?1.3, 0.6×0.3, 0?3.65, 7.82?1 , 0.001?0.1, 1.4?0.7, 3.6?0.06, 5.6?0.9, 5.6?1.4, 0.48?0.8, 4.4?0.11, 4.2×3 , 3.2×0.4, 0.3?0.01, 4?0.5, 5.1?0.17, 0.28?1.4, 0.9?0.45, 9.6?16, 1?0.01 , 0.01?1, 7.5?1.5, 0.81?9, 3?0.5, 10?25, 4.8?0.16, 0?3.89, 3.52?1, 37.2×99，37.2= 6.4?4, 1.5?0.3, 1×0.4?1×0.4= 1.8×5, 7.2?0.9, 25×4?0.25×4= 2.2×6, 8.4?0.4, 9?5,1.9?5, 4.5?0.9, 2.5×4, 25×3.3×0, 2.5×4, 0.3?0.1, 37.2×99，37.2, 4.5×2= 7.8+0.22= 2,0.64,0.36, 3.4×0.4= 12.6,0.9= 2,1.64,0.36, 1.2?0.04= 0.42?7= 1.25×3.3×0, 0.9，2.01= 2.97?100= 20,3.7,7.3= 6.3+7= 2.19，9.1= 5×0.75?1.5×0.75= 65×0.2= 9.8-0.98= 1-0.1×0.1= 0.7+3= 1.2×0.8= 0.9×7+10.7= 6.3?0.021= 1.5?0.03= 6.8-2.4?3= 5×0.7= 0.43×5= 3.6?0.9-4= 3.6-0.36= 8.1-2.2= 0.6?0.3+0.5= 6.8，8.6= 9.4×0.2= 1.8?0.9×0.5= 2,1.08= 8.8?0.4= (1.6+0.5)?5= 43×0.01, 3.72×0.2= 0.7×8-0.6= 99，0.1, 3.2-2= 6×0.125×8= 1.9×4, 8.8?0.11= 4×1.2×0.25= 0.125×8, 1.8×40= 2.5-3.6?1.8= 2.3?0.1, 8×5.1= 12-0.05×4= 4.2×3, 2.01?3= 16-4.5-5.5= 1.8?0.3, 3.72?4= 13-0.5-4= 1.1×0.7= 2.32-0.4= 1.9+5.1?51= 3.2×50= 3.2×0.5= 1×0.01?0.1= 1.25?0.5= 1.29?3= 7.2-1.2+6.7= 0.2×0.4, 8.2，1.8, 100,35.22, 2.5×0.4, 2.4×5, 0.22×4, 0.9,0.52, 3.99×1, 0×3.52, 2.5?5, 8.4?7, 0.34?17, 2.5?0.5, 8.4?0.7, （2）抛物线的描述：开口方向、对称性、y随x的变化情况、抛物线的最高（或最低）点、抛物线与x轴的交点。0.34?0.17, 30.4?4, 1.2×6, 0.72?0.6, 2.6?1.3, 0.6×0.3, 推论：平分一般弦（不是直径）的直径垂直于弦，并且平分弦所对的两条弧。0?3.65, 7.82?1 , 0.001?0.1, 1.4?0.7, 3.6?0.06, 5.6?0.9, 5.6?1.4, 0.48?0.8, 4.4?0.11, 4.2×3 , 3.2×0.4, 0.3?0.01, 同心圆：圆心相同，半径不等的两个圆叫做同心圆。4?0.5, 5.1?0.17, 0.28?1.4, 84.164.22有趣的图形1 整理复习20.9?0.45, 9.6?16, 1?0.01 , 0.01?1, 7.5?1.5, 0.81?9, 3?0.5, 10?25, 4.8?0.16, 0?3.89, 3.52?1, 37.2×99，37.2= 6.4?4, 1.5?0.3, 1×0.4?1×0.4= 1.8×5, 7.2?0.9, 25×4?0.25×4= 2.2×6, 8.4?0.4, 9?5,1.9?5, 4.5?0.9, 2.5×4, 25×3.3×0, 推论1: 同弧或等弧所对的圆周角相等。2.5×4, 0.3?0.1, 37.2×99，37.2, 推论2:直径所对的圆周角是直角；90°的圆周角所对的弦是直径；4.5×2= 7.8+0.22= 2,0.64,0.36, 3.4×0.4= 12.6,0.9= 2,1.64,0.36, 1.2?0.04= 0.42?7= 1.25×3.3×0, 3、思想教育，转化观念端正学习态度。0.9，2.01= 2.97?100= 20,3.7,7.3= 6.3+7= 2.19，9.1= 5×0.75?1.5×0.75= 8.解直角三角形：在直角三角形中，除直角外，一共有五个元素，即三条边和二个锐角。由直角三角形中除直角外的已知元素，求出所有未知元素的过程，叫做解直角三角形（须知一条边）。65×0.2= 9.8-0.98= 1-0.1×0.1= （2）抛物线的描述：开口方向、对称性、y随x的变化情况、抛物线的最高（或最低）点、抛物线与x轴的交点。0.7+3= 1.2×0.8= 0.9×7+10.7= 6.3?0.021= 1.5?0.03= 6.8-2.4?3= 5×0.7= 0.43×5= 3.6?0.9-4= 3.6-0.36= 8.1-2.2= 0.6?0.3+0.5= 6.8，8.6= 9.4×0.2= 1.8?0.9×0.5= 2,1.08= 8.8?0.4= (1.6+0.5)?5= 43×0.01, 3.72×0.2= 0.7×8-0.6= 99，0.1, 3.2-2= 6×0.125×8= （3）当>0时，设抛物线与x轴的两个交点为A、B，则这两个点之间的距离：1.9×4, 8.8?0.11= 4×1.2×0.25= 0.125×8, 1.8×40= 2.5-3.6?1.8= 2.3?0.1, 8×5.1= 12-0.05×4= 4.2×3, 2.01?3= 16-4.5-5.5= 1.8?0.3, 3.72?4= 13-0.5-4= 1.1×0.7= 2.32-0.4= 1.9+5.1?51= 3.2×50= 3.2×0.5= 1×0.01?0.1= 1.25?0.5= 1.29?3= 7.2-1.2+6.7=