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5+ 310 = 72-512 = 38 -38 = 3
8 +16 = 12- 56 = 24-23 = 1013 + 14 = 4- 12 = 14- 56 = 9-23 = 23 +9= 38 + 12 = 38 +12= 23 +9= 58 +32= 59 + 34 = 59 + 14 = 54 +16= 18 +16 = 15 + 29 = 13 +0= 14 +25 = 56 +12= 712 + 314 45× 35 = 9×718 = 23 × 910 = 4
25 ×100= 18×16 = 411 × 114 = 17× 916 = 5 × 3
4 = 38 × 12 = 38 ×12= 712 × 314 = 45× 3
5 = 9×718 = 23 × 910 = 425 ×100= 18×1
6 = 411 × 114 = 17× 916 = 5 × 34 = 14 × 25 = 56 ×12= 712 × 314 = 45× 35 = 9×718 17× 916 = 5 × 34 = 58 ×32= 59 × 34 =
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59 × 14 = 54 ×16= 18 ×16 = 15 × 29 = 5× 310 = 72×512 = 38 ×38 = 3
8 ×16 = 12× 56 = 24× 23 = 1013 × 14 = 4×1
2 = 35 ×10= 56 ×4= 14× 56 = 9×2
3 = 23 ×9= 45× 35 = 9×718 = 23 × 910 = 425 ×100= 18×16 = 411 × 11
4 = 17× 916 =
5 × 34 = 38 × 12 = 38 ×12= 1
3 ×0= 38 × 12 = 38 ×12= 13 ×0= 1
4 × 2
5 = 5
6 ×12= 712 × 314 = 45× 35 = 9×718 = 18×16 = 411 × 114 = 17× 916 = 5 × 34 = 14 × 25 = 56 ×12= 712 × 314 = 45× 35 = 9×718 = 23 × 910 = 56 ×12= 712 × 3
14 = 45× 35 = 9×718 = 23 × 910 = 4
25 ×100
6.5×5 6.5= 1×0.85=
4.73×3.9= 47.3×3.9= 47.3×0.391= 0.473×0.39= 2.4×5=1×1.25=
0.45×0.09= 6.2×0.03=
0.125×0.125=9.9×2.5×0.4=9×0.18=0.25×16=
0.7×8= 3.05×4=
6.8×2= 5.2×3.05×4.8=4
7.3×0.391= 0.473×0.39
0.45×0.09= 6.2×0.03=
3
8×12= 1
3×0=
0.77×1.1= 1.2-0.08=
8- 0.52= 2.5× 3.6 =
4. 9.4×6=
5.0.8×0.92=
1.3×0.4= 5.43×0.86=
78.58×3.7= 0.85×1.01 =
9×2.3= 0.1×0.01 =
0.28×35= 4.68×4.5=
0.25×0.5= 2.5×1.25=
25.7×3.29= 6.71×25.7=
8- 0.52= 2.5× 3.6 =
0.45×0.09= 6.2×0.03=
1.05×0.1=17.5×7.5×2=5.5×11= 1.6×0.5=
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页脚内容30
2.5×0.4= 0.36×0.9= 1.25×8= 1.6×0.4= 0.48×4= 0.9×0.6= 1
3.2+
4.8= 6.3-0.9= 0.25×2.4= 3×1.03= 23 +9= 58 +32= 59 + 34 = 59 + 14 = 2.5×0.4= 0.36×0.9= 1.3×0.4=
5.43×0.86=
54 +16= 18 +16 = 15 + 29 = 5+ 310 = 72-512 = 38 -38 38 +16 = 12- 56 = 24-23 = 1013 + 14 = 4-12 =23 +9= 38 + 12 = 38 +12= 13 +0=
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23 +9= 58 +32=
35 +10= 56 +4= 14- 56 = 9-23 = 23 +9= 38 + 12 = 38 +12= 13 +0= 14 +25 = 56 +12= 712 + 314 = 45× 35 =
计算下列各题
425 ×100= 18×16 = 411 × 114 = 17× 916 = 5 × 34 = 38 × 12 = 38 ×12= 13 ×0=
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9×718 = 23 × 9
10 = 14 × 25 = 56 ×12= 712 × 314 = 45× 35 = 9×718 = 23 × 9
10 = 425 ×100= 18×16 = 411 × 114 = 17× 916 = 5 × 34 = 5
8 ×32= 54 ×16= 18 ×16 = 15 × 29 = 5× 310 = 72×512 = 38 ×38 = 38 ×16 = 12× 56 = 59 × 34 = 59 × 14 = 24× 23 = 1013 × 14 =
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4×12 = 3
5 ×10= 5
6 ×4= 14× 56 = 9×23 = 2
3 ×9= 38 × 12 = 38 ×12= 13 ×0= 1
4 × 2
5 = 5
6 ×12= 712 × 314 = 45× 35 = 9×7
18 = 23 × 910 = 425 ×100= 18×16 = 411 × 114 = 17× 916 = 5 × 3
4 = 56 ×4= 38 ×12= 38 ×16 = 42
5 ×100=
1÷4= 10÷5= 7÷3=
页脚内容30
1×1/2÷5= 4/5÷2= 1/4÷4=
18×16 = 411 × 114 = 23 × 910 = 4÷1/2= 2÷2/3= 2÷1/3=
4÷1/3= 4÷1/4= 4÷1/4=
2÷1/2= 8÷2/3= 5/12÷3=
6÷1/4= 2/3÷1/5= 4/9÷2/3=
8/3÷4= 1/3÷3/4= 5/6÷1/4= 7/12÷7= 5/7÷7/5= 6/5÷3=
10÷1/2= 25÷5/6= 5/6÷4/3=
6÷3/5= 6÷3/4= 6÷1=
6÷3/2= 6÷5/2= 3÷1/4=
6÷2/9= 4÷4/9= 4÷1/3=
7÷1/5= 4÷3/4= 1/12÷5/8= 47÷8= 6÷23= 1÷38=
2/3÷1/9= 54÷2/3= 35÷7/4=
16÷1/2= 28.5÷1.5= 42÷8=
8×1/4= 1/5÷2/3= 7÷7/5=
3/4÷4= 7/9×6/5= 1/5+1/4=
9/4÷3/2= 5/18÷5/18= 8/3÷2=
2/5÷4= 4/7÷7/4= 100×8/15=
3/7×5/9= 12÷8/5= 2/3÷4/15=
5/12÷15/4= 6/25÷3/10= 7/20÷3/10=
写出下面各数的倒数。
1/9 12 5/13
1 2/3 1/4
5/18 2/5 4/7
7/5 7/9 3/4
6/5 1/5 3/40
5/8 8/9 5/11
填空
1、棱长为1厘米的正方体,体积是( )。
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2、棱长为1分米的正方体,体积是()。
3、棱长为1米的正方体,体积是()。
4、1升=()立方分米
1毫升=()立方厘米
立方米=()立方分米
720立方厘米=()立方分米
填上合适的单位。
一苹果的体积约是120()。
一个西瓜的体积约是8()。
一台冰箱的容积约是150()。
一个火柴盒的体积约是12()。
一个墨水瓶的容积约是60()。
一个热水瓶的溶剂约是2()。
一块橡皮的体积约是10 ()。
一本词典的体积约是900()。
一个文具盒的体积约是0.35()。
一个讲台的体积约是0.6()。
计算体积。
1、一个长方体,长20厘米,宽12厘米,高厘米。
2、一个正方体,棱长是6分米。
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3、一个长方体底面积是60 立方厘米,高7厘米。
4、一个长方体,底面是边长为2平方分米的正方形,高5分米。算一算。
12×1/2= 3/11×2= 3×2/9=
9/16×12= 10×7/15= 3/4×16=
7×7/10= 4×3/13= 21×5/14=
12×1/4= 1/3×3= 1/9×3=
5/2×2= 4/5×2= 6×1/2=
算一算。
3/4÷4= 7/9×6/5= 1/5+1/4=
9/4÷3/2= 5/18÷5/18= 8/3÷2=
6/13÷9= 5/8÷10= 8/15÷6=
16÷1/2= 28.5÷1.5= 42÷8=
8×1/4= 1/5÷2/3= 7÷7/5=
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页脚内容30
1、
直接写得数
3/4
×5/6= 3/7×1=
5/8×7/15=
0÷2/3= 8/15×9/16= 4/5×2/3=
2、 练一练
3、
4/5÷1/10×7/12= 5/9×4/5÷8/27=
8/11÷7/8×3/8= 3/7×14×1/3=
1、 计算题
3/7 × 49/9 - 4/3 12× 5/6 – 2/9 ×3 1、计算
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4.8× 5/4 + 1/4 4/7 × 5/9 + 3/7 × 5/9
5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 2、简算
11920392?? 54)6510(?+
52452+? 213115121?+?
1、 直接写得数
5/9×3/10= 1/2×4/7= 7/9÷2/3=
2/5÷2/5= 5/9-3/9= 5/7+2/5=
3/4-2/5= 5/6×3/5= 4/7÷12= 2、计算
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3/4 × 8/9 - 1/3 7 × 5/49 + 3/14
8×4/5+8 × 11/5 31 × 5/6 – 5/6 1、 计算
5/9 × 18 – 14 × 2/7
4/5 × 25/16 + 2/3 × 3/4
14×8/7–5/6 × 12/15 17/32 – 3/4 × 9/24
45 × 2/3 + 1/3 × 15 7/19 + 12/19 × 5/6
8/7 × 21/16 + 1/2 101 × 1/5 – 1/5 × 21
8
7116? —116125?
312112521?+?
5/9-3/9= 5/7+2/5=
5/9-3/9= 5/7+2/5=
口算题卡
1、写出下面的百分数
百分之十五()百分之三十()
百分之十四点六()百分之零点四()
2、把下面小数或分数化成百分数
0.35=()% 1.02=()%
1=()% 0.012=()%
3/5=()% 7/8=()%
13/10=()% 1/5=()%
3、把百分数化成分数
60%=()32%=()26%=()45 %=()95%=()68%=()37%=()18%=()
1、把下面百分数化成小数
15%=()25%=()16%=()
79%=()35%=()49%=()
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12.5%=()24.9%=()13.5%=()
29.7%=()15.1%=()46.2%=()
1、把百分数化成分数
40.5%=()12%=()28%=()
4.5%=()2
5.5%=()24.0%=()
11%=()29%=()53%=()
49%=()42%=()17%=()
1、口答
(1)8是5的百分之几?
(2)5是8的百分之几?
2、求出下面的商,并且所得的商化成百分数。
3÷8 20÷16 3.5÷7 22.4÷14
3、一个田径队有男生20人,女生15人,男生人数是女生人数的百分之几?
4、一个田径队有男生20人,女生15人,女生人数是男生人数的百分之几?
1、口答
(1)8比5多百分之几?
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(2)5比8少百分之几?
2、求出下面的商,并且所得的商化成百分数。
1÷830÷12 4.5÷922.4÷14
4、某厂的一种产品,原来每件成本96元,技术革新后,每件成本降低到了84元,每件成本降低了百分之几?
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1/7×4= 8×1/4=
2/5×1/10= 5/6×4/3= 6×3/8= 1/5×20/3= 5/8×24/25= 7/12×3/14= 1×8/9= 4/7×7/25= 3/8×27= 5/9×3/10= 1/5×5= 39×5/13= 2/7×0= 2/7÷5=
81÷9/5= 44÷11/10= 2/10÷2/7= 9×3/2=
3/8×5/6= 0×5/7=
7/12÷7/4 = 6×3/8=
21/10÷3/5= 8/27÷2/9=
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5/8÷2/3= 1/9÷2/3= 7/90×5= 10÷1/4=
5/16×8/15= 1/6÷4/9=
4/9×6= 1/5÷3/20=
3/8×5/6= 0×5/7=
21/10÷3/5= 8/27÷2/9=
35×3/14= 2/7÷3/7=
7÷2/7= 6/7÷3=
5/8÷3/8= 14/15÷7/5=
8/5÷4/5= 3/25÷1/10=
21/20÷7/3= 1/2÷4=
7/4÷16= 9/10÷3/5=
8/11÷4/9= 3/16÷1/2=
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8/5×3/4= 12÷2/3=
6/13÷1/2= 1/6×3=
5/8÷3/8= 14/15÷7/5= 21/20÷7/3= 1/2÷4=
1÷1/4= 1/2÷5/8= 1/4÷7/3= 1/10÷3/5= 3/5×3/4= 42÷2/3=
1/3÷2/3= 42/5÷7/10= 56×3/7= 1÷25/8= 7/9÷5/14= 6/13×13/4= 4/5×10= 12÷3/7= 6×1/7= 3/10×2=
5×4/15= 24×3/8=
15×2/3= 1/8×4=
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人教版小学数学五年级下册口算题卡 _____月______日星期______ 答对____题答错____题 计算下列各题: χ+83.1=100.1 x+1.8×2=7.5 1.6×χ=3.28 χ÷0.18 =8.45 1.26÷χ=28 112-4 x=38 x÷7.2=15-3.8 2x+18=31 7x-3 x-2 x=39 χ÷ 1 0.2=0.5 (χ+12)×6=108 12.5× 88= 42÷ 0.7÷ 6 = 10.2× 35= 5.6÷3.5= 7.2× 48+52× 7.2= 2 x+x-6=15 自我 评价 优良中要努力 1
_____月______日星期______ 答对____题答错____题 0.04×25=53.73-17.49= 8.76+0.351= 42.4+7.6= 1.58+ 2.42= 7.8-5.6= 1.25×4= 7.8×0.5= 3.9+2.7= 0.24÷0.3= 2.5×4= 0.3÷10=1.25×8=0÷4.8= 77÷7.7=12-3.8=8.1-0.05=0.24÷0.3=0.2×0.5=2.5×3= 4.4÷(5×0.2)= 7×1.3= 0.96÷0.06= 0.36×0.3= 0.35÷0.7= 自我评价优良中要努力 2
_____月______日星期______ 答对____题答错____题 13+0.7÷0.7= 4×0.8×0.25×1.25= 5.7÷5.7= 4÷0.5= 7×2.1= 8.89+0.1= 24×0.25= 0.1÷0.01= 2.4×0.8= 9×0.4=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= 9-3.2× 10×0.01= 自我 评价 优良中要努力 3
轴对称 一、直接写得数 5.4-4.5= 3.9÷0.01= 17.17÷17= 7.8÷0.1= 4×0.025= 3.86-0.76= 5+0.75= 0×135.72= 0.72÷0.8÷0.9= 6.1×10= 7.2-7.2÷8= 8-3.725= 9+0.05= 6÷0.4= 5-0.4= 7.65÷7.65= 1+4.57= 100-98.25= 36×0.2= 6.1÷0.1= 5÷0.5= 0.56÷0.7= 0.5×24= 5.8÷0.1÷0.1= 7.2÷1.2﹦ 2.3÷0.1﹦ 4.2×6﹦ 0.125×8﹦ 4.5÷0.9﹦ 2.5×4﹦ 二填空 (1)如果一个图形沿着一条直线(),两侧的图形能够完全(),这个图形就是轴对称图形。...
(2)在轴对称图形中,对称轴两侧相对的点到对称轴两侧的距离()0.405平方米的小旗多少面? 旋转 一、直接写得数 0.2×0.4=18.2+1.8=60-55.9= 10.2÷6=8.4÷4=9.6÷3= 5.2÷2= 2.5×3= 1.2×0.4= 3.06÷3= 5.7÷3= 3.12÷3= 0.45÷9= 3.6÷0.6= 2.7÷2= 8.4÷0.7=0.34÷0.17=40.4÷4= 1.2×6=0.72÷0.6= 2.6÷1.3= 1.4÷0.7= 3.6÷0.06= 5.6÷0.09= 0.3÷0.01=0.4÷0.5= 5.1÷0.17= 0.52÷52= 3.2×0.4=0.28÷1.4= ...
二、填空。 (1)()和()都是物体或图形的位置变化。 (2)像滑滑梯、小朋友推车、小火车直行这样的现象叫做()。()就是物体沿直线运动。 (3)像摩天轮、旋转木马,这些物体都()某一个点或一个轴运动,这种现象,我们把它叫做()。计算 旋转 一、直接写得数 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= ...
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= 9×4=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= 8.4÷4.2= 8×1.5= 4.8÷0.3= 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=
人教版小学数学五年级下册口算题卡 第一单元 _____月______日星期______ 答对____题答错____题 计算下列各题: χ+83.1=100.1 x+1.8×2=7.5 1.6×χ=3.28 χ÷0.18 =8.45 1.26÷χ=28 112-4 x=38 x÷7.2=15-3.8 2x+18=31 7x-3 x-2 x=39 χ÷1 0.2=0.5 (χ+12)×6=108 12.5×88= 42÷0.7÷6= 10.2×35= 5.6÷3.5= 7.2×48+52×7.2= 2 x+x-6=15 _____月______日星期______ 答对____题答错____题 16.7-0.92-1.08= 7+5χ=42 1.8×4.5= 3.6÷0.1= 2.5×4=1.5×4= 13χ-7.5χ=18.7 χ÷0.13 =16.9 (16.8+1.6)÷4 0.49÷0.7= 0.75+0.8=0.13×4=2.4-0.8=8.5×100=5.4÷10=4.2×1000= 3.2÷100= 0.45÷0.15= 18×0.3=1.2÷0.3=8.5÷1.7=
_____月______日星期______ 答对____题答错____题 0.04×25=53.73-17.49= 8.76+0.351= 42.4+7.6=1.58+2.42=7.8-5.6= 1.25×4= 7.8×0.5= 3.9+2.7= 0.24÷0.3= 2.5×4= 0.3÷10=1.25×8=0÷4.8= 77÷7.7= 12-3.8=8.1-0.05=0.24÷0.3=0.2×0.5=2.5×3= 4.4÷(5×0.2)= 7×1.3= 0.96÷0.06= 0.36×0.3= 0.35÷0.7= _____月______日星期______ 答对____题答错____题 13+0.7÷0.7= 4×0.8×0.25×1.25= 5.7÷5.7= 4÷0.5= 7×2.1= 8.89+0.1= 24×0.25= 0.1÷0.01= 2.4×0.8= 9×0.4= 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= 5.4+4.6 2.8= 9-3.2×0.8= 10×0.01= _____月______日星期______ 答对____题答错____题 (1.5+2.4)×0.2= 1.7+1.3×0.4= 3.6×2 3.6= 8.5÷0.5+0.6= 7.2÷0.8= 5.4÷0.6= 9.5÷0.1= 10÷2.5= 35÷0.05= 0.64÷0.4= 2.5÷0.5= 6.45÷0.01= 0.36÷0.03= 0.08÷0.001= 0.01÷0.2= 7.5÷2.5= 8.8÷0.2= 0.96÷6=
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=17×40=100-63=3.2+1.68= 2.8×0.4= 4-7.= 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=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=
五年级下册口算题卡 第一单元 计算下列各题: χ+83.1=100.1 x+1.8×2=7.5 1.6×χ=3.28 χ÷0.18 =8.45 112-4 x=38 2x+18=31 χ÷ 1 0.2=0.5 (χ+12)×6=108 16.7-0.92-1.08= 7+5χ=42 1.8× 4.5= 3.6÷0.1=2.5×4= 1.5×4= 13χ-7.5χ=18.7 χ÷ 0.13 =16.9 (16.8+1.6)÷ 4 0.49÷0.7= 0.04×25=53.73-17.49=8.76+0.351=42.4+7.6=1.58+2.42=7.8-5.6= 1.25×4= 7.8×0.5=3.9+2.7= 0.24÷0.3= 2.5×4= 0÷4.8= 77÷7.7= 12-3.8 = 8.1-0.05= 0.24÷0.3= 0.2×0.5= 2.5×3= 4.4÷(5×0.2)= 7×1.3= 0.96÷0.06= 0.36×0.3= 0.35÷0.7= 13+0.7÷0.7= 4×0.8×0.25×1.25= 5.7÷5.7= 4÷0.5= 7×2.1= 8.89+0.1= 24×0.25=0.1÷0.01= 2.4×0.8= 9×0.4= 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= 5.4+4.6 2.8= 9-3.2×0.8= 10×0.01= (1.5+2.4)×0.2= 1.7+1.3×0.4= 3.6×2 3.6= 8.5÷0.5+0.6= 7.2÷0.8= 5.4÷0.6= 9.5÷0.1= 10÷2.5= 35÷0.05= 0.64÷0.4= 2.5÷0.5= 6.45÷0.01= 0.36÷0.03= 0.08÷0.001= 0.01÷0.2= 7.5÷2.5= 8.8÷0.2= 0.96÷6= 0.75÷0.5= 0.7×5= 0.08×1000= 0.1×6.7= 1.6×0.5= 2.5×4= 0.74×0.4= 7.5×3= 3.74×0= 0.8×0.6=0.05×0.08= 80×1.25= 0.13×7= 3.5×4= 2.8×0.5÷2= 4×0.5= 8.2+2.6= 8.1 2.5= 5.5×2= 9.6÷4.8= 3-1.5×2= 2×3.1= 2.4×0.5= 0.125×8-0.1= 7.16×0.4=
五年级下册口算题(2018年暑假作业) 学校:广州路小学 班级:六年级二班 姓名:
﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌ 16.7-0.92-1.08= 1.5×4= 96÷24= 40÷20= 40×30= 637+26= 276-139= 605+59= 30×23= 12×8= 227+732= 48+327= 4500×20= 736+158= 120×600 = 200×360= 6800×400= 280+270= 4×2500= 6000÷40= ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌ 5×1280= 0.75+0.25=4-0.26= 1.8×5= 4×600= 0.49÷0.7= 1.6÷4= 3.6÷0.1= 2.4-0.8= 0.75+0.8= 0.13×4= 8.5×100= 5.4÷10= 8.5÷1.7= 4.2×1000= 3.2÷100= 0.45÷0.05= 1.2÷0.3= 18÷0.3= 4.3+2.7= ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌ 2.5×4= 0.35+2.7= 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= ﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌﹌
五年级数学下册口算题 班级:姓名:日期 45+15×6= 250÷5×8= 6×5÷2×4= 30×3+8= 400÷4+20×5= 10+12÷3+20= (80÷20+80)÷4= 70+(100-10×5)= 360÷40= 40×20= 80-25= 70+45= 90×2= 16×6= 300×6= 540÷9= 30×20= 400÷4= 350-80= 160+70= 18-64÷8= 42÷6+20= 40-5×7= 80+60÷3= 41+18÷2= 75-11×5= 42+7-29= 5600÷80= 25×8= 120×25=
班级:姓名:日期 45+15×6= 250÷5×8= 6×5÷2×4= 30×3+8= 400÷4+20×5= 10+12÷3+20= (80÷20+80)÷4= 70+(100-10×5)= 360÷40= 40×20= 80-25= 70+45= 90×2= 16×6= 300×6= 540÷9= 30×20= 400÷4= 350-80= 160+70= 18-64÷8= 42÷6+20= 40-5×7= 80+60÷3= 41+18÷2= 75-11×5= 42+7-29= 5600÷80= 25×8= 120×25=
班级:姓名:日期 45+15×6= 250÷5×8= 6×5÷2×4= 30×3+8= 400÷4+20×5= 10+12÷3+20= (80÷20+80)÷4= 70+(100-10×5)= 360÷40= 40×20= 80-25= 70+45= 90×2= 16×6= 300×6= 540÷9= 30×20= 400÷4= 350-80= 160+70= 18-64÷8= 42÷6+20= 40-5×7= 80+60÷3= 41+18÷2= 75-11×5= 42+7-29= 5600÷80= 25×8= 120×25=
五年级下册数学口算题人教版600道 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= 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= 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= 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= 17×40=100-63=3.2+1.68=2.8×0.4=
5+3 10= 72- 5 12= 3 8- 3 8= 3 8+16 = 12-5 6 = 24- 2 3 = 10 13 + 1 4 = 4- 1 2 = 14-5 6 = 9- 2 3 = 2 3 +9= 3 8 + 1 2 = 3 8+12= 2 3 +9= 5 8 +32= 5 9 + 3 4 = 5 9+ 1 4 = 5 4 +16= 1 8 +16 = 1 5 + 2 9 = 1 3+0= 1 4 + 2 5 = 5 6 +12= 7 12 + 3 14 45×3 5 = 9× 7 18 = 2 3 × 9 10 = 4 25 ×100= 18×1 6 = 4 11 × 11 4 = 17× 9 16 = 5 × 3 4 = 3 8× 1 2 = 3 8 ×12= 7 12 × 3 14 = 45× 3 5 = 9×7 18= 2 3 × 9 10 = 4 25 ×100= 18× 1 6 = 4 11× 11 4 = 17× 9 16 = 5 × 3 4 = 1 4 × 2 5 = 5 6×12= 7 12 × 3 14 = 45× 3 5 = 9× 7 18 17×9 16 = 5 × 3 4 = 5 8 ×32= 5 9 × 3 4 = 可编辑版
5 9× 1 4 = 5 4 ×16= 1 8 ×16 = 1 5 × 2 9 = 5×3 10 = 72× 5 12 = 3 8 × 3 8 = 3 8 ×16 = 12×5 6 = 24× 2 3 = 10 13 × 1 4 = 4× 1 2 = 3 5×10= 5 6 ×4= 14× 5 6 = 9× 2 3 = 2 3×9= 45× 3 5 = 9× 7 18 = 2 3 × 9 10 = 4 25×100= 18× 1 6 = 4 11 × 11 4 = 17× 9 16 = 5 ×3 4 = 3 8 × 1 2 = 3 8 ×12= 1 3 ×0= 3 8× 1 2 = 3 8 ×12= 1 3 ×0= 1 4 × 2 5 = 5 6×12= 7 12 × 3 14 = 45× 3 5 = 9× 7 18 = 18×1 6 = 4 11 × 11 4 = 17× 9 16 = 5 × 3 4 = 1 4× 2 5 = 5 6 ×12= 7 12 × 3 14 = 45× 3 5 = 9×7 18= 2 3 × 9 10 = 5 6 ×12= 7 12 × 3 14 = 45×3 5 = 9× 7 18 = 2 3 × 9 10 = 4 25 ×100 可编辑版
小学五年级第二学期数学口算比赛 班级:姓名:成绩: 0.75+4.25= 4.2×5= 4.7+2.3= 6-3.4= 0.75×100= 5.6÷100= 2.5×4= 10-9.25= 0.06×1.5= 0.3÷0.5= 0.7×0.8= 1+0.01= 0.1÷0.01= 2.1÷0.7= 1-0.34= 0.175+0.0225= 8×0.125= 5.6+3.8= 0.62-0.32= 0.02×0.5= 0.75÷0.25= 16.8÷4= 0.1÷100= 6.3÷0.9= 0.25×8= 0.04×2.5= 1×0.01= 0.1+0.01= 0.63÷0.9= 0.6+0.54= 8.9-0.9= 0.96÷2= 5.9-2.5= 4.5×2= 3.6÷3= 0.125×8= 0.53×1000= 72.8×0.01= 1÷125= 1.2÷0.2= 1÷0.01= 48÷0.6= 20÷0.2= 1×0.4= 9.63÷3= 7-0.23= 4.8÷0.3= 7.2-0.8= 1.4×0.5= 29÷100= 6.3÷0.7= 6+ 2.4= 12.5×8= 8.9×0= 0.78÷3= 0.35÷0.5= 9.36÷0.9= 100÷0.4= 0.81+0.09= 0.4×0.9= 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= 2 5 + 1 5 = 4 7 - 2 7 = 5 8 + 1 8 = 25 5 - 10 5 = 1-8 9 = 1 6 + 1 6 = 2 3 - 1 3 = 9 10 + 1 10 =
45+15×6= 250÷5×8= 6×5÷2×4= 30×3+8= 400÷4+20×5= 10+12÷3+20= 80÷20+80÷4= 70+100-10×5= 360÷40= 40×20= 80-25= 70+45= 90×2= 14.16×6= 300×6= 540÷9= 30×20= 400÷4= 350-80= 160+70= 18-64÷8= 42÷6+20= 40-5×7= 80+60÷3= 41+18÷2= 75-11×5= 42+7-29= 5600÷80= 25×16= 120×25= 36×11= 1025÷25= 336+70= 25×9×4= 200-33×3= 3020-1010= 12×50= 25×8= 23×11= 125÷25=
4200-2200= 220+80= 20×8×5= 600-3×200= 20+20÷2= 35-25÷5= 36+8-40= 2800÷40= 98÷14 = 96÷24 = 56÷14 = 65÷13 = 75÷15 = 120÷24 = 200÷25 = 800÷16 = 840÷21 = 560÷14 = 390÷13 = 600÷15 = 72÷24 = 85÷17 = 90÷15 = 96÷16 = 78÷26 = 51÷17 = 80÷40 = 100÷20 = 100÷4 = 240÷40 = 920÷4 = 300÷60= 64÷2 = 64÷4 = 50÷5 = 64÷8 = 96÷4 = 90÷6 = 400+80 = 400-80 =
40×80 = 400÷80 = 48÷16 = 96÷24 = 160×5= 4×250= 0×518= 10×76= 36×10= 15×6= 24×3= 5×18= 26×4= 7×15= 32×30= 40×15= 60×12= 23×30= 30×50= 5×700= 45+15×6= 250÷5×8= 6×5÷2×4= 30×3+8= 400÷4+20×5= 10+12÷3+20= 80÷20+80÷4= 70+100-10×5= 360÷40= 40×20= 80-25= 70+45= 90×2= 16×6= 300×6= 540÷9= 30×20= 400÷4= 350-80= 160+70=
34 +1 4 = 56 -16 = 34 ×2 3 = 5 6 ×5= 2-4 5 = 3÷7= 57 ÷10 21 = 4 7 ÷4= 16 + 5 6 = 2-34 = 59 ×3 25 = 5 7 ×14= 13 +1 4 = 13 -1 4 = 13 ×1 4 = 13 ÷1 4 = 6 7 ×14= 1-59 = 12 +1 4 = 12 -1 4 = 518 ×9 10 = 56 ÷5 7 = 0.25-1 4 = 0.125÷1 8 = 4- 7 15 = 35 ÷745 = 2 9 ×12= (14 -15 )÷1 20 = 14 +1 5 = 23 ÷32 = 5 51 ×17= 1÷59 = 1÷3 4 = 25 ÷10= 54 ×23 ×4 5 = 17 ×7 12 = 34 ÷5 6 = 6×58 = 9×2 3 = 59 ÷9 5 = 52+43= 65-65= 3×94= 74÷43 = 73+74= 21÷87= 1-51= 83×7 6= 1÷65= 0÷176= 103+21= 43-5 3= 53-73= 0.75+41= 85 ×78= 109÷3= 1÷65= 103+21= 43-53= 2-71= 3÷= ×= ×= += ×21= 2-= ÷= 110÷= 6×95= 41×3= 2×53= 18×125= 41×31= 52×43= 83×65= 125×54= 125÷5= 52÷43= 2÷53= 24 7÷14= 65 ÷10= 83÷109= 209÷103= 125÷16 5=
74÷98= 43÷76= 6÷31= 6÷9 2= 41+31= 52+10 3= 83+83= 75+72= 3+21= 54+51= 21+43= 125+65 = 1-65= 83-83= 31-41= 65 -12 5= 43-52= 75-72= 101-201= 5-7 1= 53+51= 21÷31= 52×15= 0÷5 2= 21÷1= 165×32= 65÷61= 75+7 1= 54÷51= 16×81= 43×75= 43-2 1 = 21÷75= 1÷5 4 = 2- 71= 31×10 3 = 12 5 ×4 = 6 - 10 7 = 52÷51= 31+31×31= 72×4 3 = 8 7 ÷ 8 7= 41× 83= 43-5 3= 1÷6 5 = 0÷ 176 = 103+2 1 = 2- 7 1=
口算1,17×40= 2,100-63= 3, 3.2+1.68= 4, 2.8×0.4= 5,14-7.4= 6, 1.92÷0.04= 7,0.32×500= 8, 0.65+4.35= 9,10-5.4= 10, 4÷20= 11, 3.5×200= 12, 1.5-0.06= 13,0.75÷15= 14, 0.4×0.8= 15,4×0.25= 16,0.36+1.54= 17, 1.01×99= 18, 420÷35= 19,25×12= 20,135÷0.5= 题 21,3/4 + 1/4 = 22, 2 + 4/9 = 23, 3 - 2/3 = 24, 3/4 - 1/2= 25,1/6 + 1/2 -1/6 = 26, 7.5-(2.5+3.8)= 27, 7/8 + 3/8 = 28,3/10 +1/5 = 29,4/5 - 7/10 = 30, 2 - 1/6 -1/3 = 31,0.51÷17= 32, 32.8+19= 33, 5.2÷1.3= 34, 1.6×0.4= 35, 4.9×0.7= 36,1÷5= 37,6÷12= 38,0.87-0.49= 39,17×40= 40, 100-63=
41, 3.2+1.68=42, 2.8×0.4=43,14-7.4=44, 1.92÷0.04=45,0.32×500=46, 0.65+4.35=47,10-5.4=48, 4÷20= 49, 3.5×200=50, 1.5-0.06=51,0.75÷15=52, 0.4×0.8=53,4×0.25=54,0.36+1.54=55, 1.01×99=56,420÷35=57,25×12= 58,135÷0.5=59,3/4 + 1/4 = 60, 2 + 4/9 = 61, 3 - 2/3 = 62,3/4 - 1/2= 63,1/6 + 1/2 -1/6 = 64,7.5-(2.5+3.8)= 65,7/8 + 3/8 = 66,3/10 +1/5 = 67,4/5 - 7/10 = 68, 2 - 1/6 -1/3 = 69,0.51÷17= 70,32.8+19= 71, 5.2÷1.3= 72, 1.6×0.4= 73, 4.9×0.7= 74, 1÷5= 75,6÷12= 76, 0.87-0.49= 77,17×40= 78,100-63= 79, 3.2+1.68= 80, 2.8×0.4= 81,14-7.4= 82, 1.92÷0.04=
日期日期日期日期 0.75+4.25= 4.2×5= 4.7+2.3= 6-3.4= 0.75×100= 5.6÷100= 2.5×4= 10-9.25= 0.06×1.5= 0.3÷0.5= 0.7×0.8= 1+0.01= 0.1÷0.01= 2.1÷0.7= 1-0.34= 0.175+0.0225= 8×0.125= 5.6+3.8= 0.62-0.32= 0.02×0.5= 0.75÷0.25= 16.8÷4= 0.1÷100= 6.3÷0.9= 0.25×8= 0.04×2.5= 1×0.01= 0.1+0.01= 0.63÷0.9= 0.6+0.54= 8.9-0.9= 0.96÷2= 5.9-2.5= 4.5×2= 3.6÷3= 0.125×8= 0.53×1000= 72.8×0.01= 1÷125= 1.2÷0.2= 日期日期日期日期 1÷0.01= 48÷0.6= 20÷0.2= 1×0.4= 9.63÷3= 7-0.23= 4.8÷0.3= 7.2-0.8= 1.4×0.5= 29÷100= 6.3÷0.7= 6+ 2.4= 12.5×8= 8.9×0= 0.78÷3= 0.35÷0.5= 9.36÷0.9= 100÷0.4= 0.81+0.09= 0.4×0.9= 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= 2 5 + 1 5 = 4 7 - 2 7 = 5 8 + 1 8 = 25 5 - 10 5 =
五年级数学下册课前计算训练题 请老师们结合教学实际从中选择课前练习的数量及题目 第一单元 中国的热极——认识正负数 第一课时 认识正负数 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= 75÷10= 0.96÷0.8= 0.8×7= 1.5×7= 0.081×10= 第二课时 我学会了吗? 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= 10.2+0.02= 0.7×4= 0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09= 7200÷800= 0.17+0.6= 0.83-0.6= 第二单元 校园科技周——分数的意义和性质 第一课时 分数的意义 0.15+0.7= 670+250= 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 3.8+1= 0.95-0.05= 450+780= 第二课时 分数意义(练习课) (1)口算 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 125×80= 0.078÷10= 0.52+0.4= 70×12= (2)在○里填上“<”、“>”或“=”。 41○51 92○32 5 4○53 41○61 53○83 第三课时 分数与除法的关系 (1)口算 0.25×100= 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-1 2.6= 63÷100= 0.83-0.5= 0.76+0.14=
5+3 10 = 72- 5 12 = 3 8 - 3 8 = 3 8 +16 = 12-5 6 = 24- 2 3 = 10 13 + 1 4 = 4- 1 2 = 14-5 6 =9- 2 3 = 2 3 +9= 3 8 + 1 2 = 3 8+12= 2 3 +9= 5 8 +32= 5 9 + 3 4 = 5 9+ 1 4 = 5 4 +16= 1 8 +16 = 1 5 + 2 9 = 1 3+0= 1 4 + 2 5 = 5 6 +12= 7 12 + 3 14 45×3 5 =9× 7 18 = 2 3 × 9 10 = 4 25 ×100= 18×1 6 = 4 11 × 11 4 =17× 9 16 = 5 × 3 4 = 3 8× 1 2 = 3 8 ×12= 7 12 × 3 14 = 45× 3 5 = 9× 7 18 = 2 3 × 9 10 = 4 25 ×100= 18× 1 6 = 4 11× 11 4 =17× 9 16 = 5 × 3 4 = 1 4 × 2 5 = 5 6×12= 7 12 × 3 14 = 45× 3 5 =9× 7 18 17×9 16 = 5 × 3 4 = 5 8 ×32= 5 9 × 3 4 = __________________________________________________
5 9× 1 4 = 5 4 ×16= 1 8 ×16 = 1 5 × 2 9 = 5×3 10 = 72× 5 12 = 3 8 × 3 8 = 3 8 ×16 = 12×5 6 = 24× 2 3 = 10 13 × 1 4 = 4× 1 2 = 3 5×10= 5 6 ×4=14× 5 6 = 9× 2 3 = 2 3×9= 45× 3 5 =9× 7 18 = 2 3 × 9 10 = 4 25×100= 18× 1 6 = 4 11 × 11 4 = 17× 9 16 = 5 ×3 4 = 3 8 × 1 2 = 3 8 ×12= 1 3 ×0= 3 8× 1 2 = 3 8 ×12= 1 3 ×0= 1 4 × 2 5 = 5 6×12= 7 12 × 3 14 = 45× 3 5 =9× 7 18 = 18×1 6 = 4 11 × 11 4 =17× 9 16 = 5 × 3 4 = 1 4× 2 5 = 5 6 ×12= 7 12 × 3 14 = 45× 3 5 = 9× 7 18 = 2 3 × 9 10 = 5 6 ×12= 7 12 × 3 14 = 45×3 5 =9× 7 18 = 2 3 × 9 10 = 4 25 ×100 __________________________________________________
五年级下册口算竞赛试题 参赛人:五年级全同学命题人:马盼盼 第一轮抢答题 一、请说出下面每组数的最大公因数。 4和36 21和22 5和19 1和999 2和17 11和99 21和63 5和95 19和13 9和81 3和69 5和60 8和200 99和77 29和37 90和50 86和87 12和36 9和81 15和45 2和29 37和3 7和23 3和66 8和36 7和11 81和82 5和95 第二轮抢答题 二、对下面分数进行约分,结果要求是最简分数。 24/30 12/15 19/38 16/24 15/36 14/21 15/45 11/99 9/36 5/45 15/30 11/44 33/99 25/75 48/60 14/56 28/42 20/45 24/30 10/50 7/63 13/39 9/81 12/48 46/50 9/42 15/35 8/42 第三轮抢答题 四判断题。 1、公因数只有1的两个数叫做互质数。 2、分子和分母是互质数的分数叫做最简分数。 3、假分数一定大于1。
4、真分数一定小于1。 5、带分数一定大于1。 6、分子和分母都是合数,这个分数一定不是最简分数。 7、一个分数分母是合数,分子是质数,这个分数可能是最简分数。 8、A/A+1(A是不等于0的自然数),一定是最简分数。 9、A是B的因数,则A与B的最大公因数是B。 10、分子是1的分数都是真分数。 11、物体所占空间的大小叫做物体的面积。 12、用4个1立方厘米的正方体拼成的每一个图形,它们的体积都是4立方厘米。 13、一个火柴盒的体积约是24立方分米。 14、等腰三角形和等边三角形都只有一条对称轴。 15、邻边不相等的长方形只有两条对称轴。 16、电梯的上下移动是旋转现象。 17、一个数的因数一定小于这个数的倍数。 18、甲数比乙数大,甲数的因数的个数就比乙数多。 19、6是因数,30是倍数。 20、所有偶数的和比所有奇数的和大。 21、奇数再加上一个奇数,和一定是2的倍数。 22、用1、3、5这三个数字组成的任意三位数都是3的倍数。
五年级【下册】口算题卡【【全册】】 5+ 310 = 72-512 = 38 -38 = 38 +16 = 12- 56 = 24-23 = 1013 + 14 = 4- 12 = 35 +10= 56 +4= 14- 56 = 9-23 = 23 +9= 38 + 12 = 38 +12= 58 +32= 59 + 34 = 59 + 14 = 54 +16= 18 +16 = 15 + 29 = 13 +0=
45 5 6 +12= 7 12+ 3 14 = 45×3 5 = 9× 7 18 = 2 3× 9 10 = 4 25 ×100= 18×1 6 = 4 11× 11 4 = 17× 9 16 = 5 ×3 4 = 3 8× 1 2 = 3 8 ×12= 1 3 ×0= 3 8× 1 2 = 1 4× 2 5 = 5 6 ×12= 7 12× 3 14 = 45×3 5 = 9× 7 18 = 2 3× 9 10 = 4 25 ×100= 18×1 6 = 4 11× 11 4 =
16 5 ×3 4 = 1 4× 2 5 = 5 6 ×12= 7 12× 3 14 = 45×3 5 = 9× 7 18 = 2 3× 9 10 = 4 25 ×100= 18×1 6 = 4 11× 11 4 = 17× 9 16 = 5 ×3 4 = 5 8 ×32= 5 9× 3 4 = 5 9× 1 4 = 5 4 ×16= 1 8 ×16 = 1 5× 2 9 = 5× 3 10 = 72× 5 12 = 3 8× 3 8 = 3 8 ×16 = 12×5 6 =