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.docx
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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.docx
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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
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?
16,720×0.5230?
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)?
4,50—35?
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?
16,720×0.5230?
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)?
4,50—35?
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,
④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,
84.16—4.22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=
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