范文一:《小数乘小数》口算题
0.1×208=2.08
2.8×2=5.6
3×0.18=0.54
0.2×600=120
1.3×5=6.5 8×0.05=0.4
1.3×50=65 80×0.05=4
7.26×1=7.26
0.4×22=8.8 0.15×40=6 0.7×1.4=0.98
1.25×10=12.5
4.5×0.02=
0.09
0.03×8=0.24
0×1.001=0 0.8×12.5=10
0.4×0.7=0.28
1.3×4=5.2
1.35×10=13.5
1.4×0.4=0.56
1.4×5=7
1.45×100=145
3. 5×40=140
0.02×38=0.76 25×0.4=10
1. 6×1.5=2.4
0.01×10=0.1 250×0.04=10
1.5×0.02=
0.03
0.05×12=0.6 200×0.05=10
2.5×0.4=1
0.05×430=
21.5
20×0.5=10 250×0.4=100
7.682×0=0 2×0.005=0.01
2.05×2=4.1
1
范文二:《小数乘小数》口算题
《小数乘小数》口算题
0.1×208, 2.8×2, ×0.18, 3
0.2×600, 1.3×5, 8×0.05,
1.3×50, 80×0.05, 7.26×1,
0.4×22, 0.15×40, 0.7×1.4,
1.25×10, 4.5×0.02, 0.03×8,
0×1.001, 0.8×12.5,
0.4×0.7,
1.3×4, 1.35×10, 1.4×0.4,
1.4×5, 1.45×100, 3.5×40,
0.02×38, 25×0.4, 1.6×1.5,
0.01×10, 250×0.04, 1.5×0.02,
0.05×12, 200×0.05, 2.5×0.4,
0.05×430, 20×0.5, 250×0.4,
7.682×0, 2×0.005, 2.05×2,
1
参考答案
0.1×208,2.08 2.8×2,5.6 ×0.18,0.54 3
0.2×600,120 1.3×5,6.5 8×0.05,0.4
1.3×50,65 80×0.05,4 7.26×1,7.26
0.4×22,8.8 0.15×40,6 0.7×1.4,0.98
1.25×10,12.5 4.5×0.02,0.09 0.03×8,0.24
0×1.001,0 0.8×12.5,10 0.4×0.7,0.28
1.3×4,5.2 1.35×10,13.5
1.4×0.4,0.56
1.4×5,7 1.45×100,145 3. 5×40,140
0.02×38,0.76 25×0.4,10 1. 6×1.5,2.4
0.01×10,0.1 250×0.04,10 1.5×0.02,0.03
0.05×12,0.6 200×0.05,10 2.5×0.4,1
0.05×430,21.5 20×0.5,10 250×0.4,100
7.682×0,0 2×0.005,0.01 2.05×2,4.1
2
范文三:小数乘小数 口算题
《小数乘小数》口算题
0.1×208= 2.8×2= 3×0.18= 0.2×600= 1.3×5= 8×0.05=
1.3×50= 80
0.4×22= 0.15
1.25×10= 4.5
0×1.001= 0.8
1.3×4= 1.35
1.4×5= 1.45
0.02×38= 25
0.01×10= 250
0.05×12= 200
0.05×430= 20
7.682×0= 2×0.05= 7.26×40= 0.7×0.02= 0.03×12.5= 0.4×10= 1.4×100= 3.5×0.4= 1.6×0.04= 1.5×0.05= 2.5×0.5= 250×0.005= 2.05
——教育是一项良心工程—— ×1= ×1.4= ×8= ×0.7= ×0.4= ×40= ×1.5= ×0.02= ×0.4= ×0.4= ×2=
范文四:《小数乘小数》口算题[整理版]
《小数乘小数》口算题
0.1×208, 2.8×2, 3×0.18,
0.2×600, 1.3×5, 8×0.05,
1.3×50, 80×0.05, 7.26×1,
0.4×22, 0.15×40, 0.7×1.4,
1.25×10, 4.5×0.02, 0.03×8,
0×1.001, 0.8×12.5, 0.4×0.7,
1.3×4, 1.35×10, 1.4×0.4,
1.4×5, 1.45×100, 3.5×40,
0.02×38, 25×0.4, 1.6×1.5,
0.01×10, 250×0.04, 1.5×0.02,
0.05×12, 200×0.05, 2.5×0.4,
0.05×430, 20×0.5, 250×0.4,
7.682×0, 2×0.005, 2.05×2,
参考答案
0.1×208,2.08 2.8×2,5.6 3×0.18,0.54
0.2×600,120 1.3×5,6.5 8×0.05,0.4
1.3×50,65 80×0.05,4 7.26×1,7.26
0.4×22,8.8 0.15×40,6 0.7×1.4,0.98
1.25×10,12.5 4.5×0.02,0.09 0.03×8,0.24
0×1.001,0 0.8×12.5,10 0.4×0.7,0.28
1.3×4,5.2 1.35×10,13.5 1.4×0.4,0.56
1.4×5,7 1.45×100,145 3. 5×40,140
0.02×38,0.76 25×0.4,10 1. 6×1.5,2.4
0.01×10,0.1 250×0.04,10 1.5×0.02,0.03
0.05×12,0.6 200×0.05,10 2.5×0.4,1
0.05×430,21.5 20×0.5,10 250×0.4,100
7.682×0,0 2×0.005,0.01 2.05×2,4.1
范文五:人教五上小数乘整数口算题
㈠
0.75+0.4=
㈢ 0.8+0.18=
㈤
63.1-11= 0.33+9.8=
20+0.78= 5×11=
4.8+4.2= 5.7-3=
23×3= 4.9-1.7=
1.34+0.8= 4×13=
2-0.75=
8.7+0.03= ㈡ 0.2-0.09= 8.5+2.5= 3.4-1.4=
16×3=
0.68+0.42= 7.82-7.2= 2+9.1= 0.48+0.52= 8.1-5.1=
0.78-0.24=
5-0.08= 4+2.35= 1.1-1= 8.3-6.2=
12.6+3.4=
1.3+4.3=
7.2+6.9= 9.3-8.8= ㈣
4.4+15.9= 19.8-5.6= 96.3-56.2 =
125×7+125= 1.9+25.73= 88-69.21= 1-0.3=
136.5-105=
73.4+52.1= 25+25×3=
1
0.89-0.25= 1-0.98=
0.9+0.1= 1-0.8= 4.5-4= 5.6+4=
5.7+3.3=
10-4.4= ㈥
6+6.6= 9.5-2.7= 1-0.55=
3.7+4.8=
7+3.3=
3.25+0.75= 2.7+3.9= 0.7+0.9=
1-0.44=
0.9+1=
㈦ 14.6-0.4= 10-0.1= 14+0.78= 3+2.7=
35×3=
0.7+0.9= 0.8+0.6= 8.24+3.76= 4.1-3.8= 14+0.78=
㈧
14.6-0.34= 0.8-0.55= 4-0.04=
35×0=
1-0.03= 30.5+3.05= 0.8-0.45= 0.78+2.2= 5-0.08= 3.25+0.75=
㈨ 10-0.1=
124×2=
1.3+8.56=
12×8= 3×33= 1×1235= 5×80= 0.75+0.4= 70×2= 5×15= ㈩
20+0.78= 0×100= 25×4= 125×4= 25×8= 125×8= 25×3×4= 75×4= 0.3×2= 0.07×6=
2
(11) 0×1.01= 2×0.24= 0.375×10= 0.5×5= 0.4×3= 4.8+4.2= 2. 5×4= 12. 5×4= 2. 5×8= 1.25×8= (12) 2. 5×3×4= 7. 5×4= 5.1×7 = 1.4×5 = 1.6×5 = 6.4×5= 23×3= 7.3×2.5×4= 2.05×2= 1.24×2=
(13) 4.4×2 = 5.4×6 = 0.4×2= 0.08×8= 0×2.01= 1.5×4= 2.5×4 = 0.13× 4= 2.4-0.8= 4.2×1000= (14) 0 .75+0.8 = 8.5×100= 0.1X0.1= 0.1X0.2= 0.2X0.2= 0.3X0.6= 0.5X0.6= 0.8X0.5= 0.5X0.2= 0.9X0.8=
(15) 0.9X0.7= 0.9X0.6= 0.9X0.5= 0.9X0.4= 0.9X0.3= 0.9X0.2= 0.9X0.1= 0.8X0.8= 0.8X0.7= 0.8X0.6= (16) 0.8X0.4= 0.8X0.3= 0.8X0.2= 0.8X0.1= 0.7X0.7= 0.7X0.6= 0.7X0.4= 0.7X0.3= 0.7X0.2= 0.7X0.1=
3
(17) 0.6X0.6= 0.6X0.4= 0.6X0.3= 0.6X0.2= 0.6X0.1= 0.5X0.5= 0.5X0.3= 0.5X0.1= 0.4X0.4= 0.4X0.3= (18) 0.4X0.2= 0.4X0.1= 0.3X0.3= 0.3X0.2= 0.2X0.2= 0.3X0.1= 0.11X0.1= 1.6X0.2= 1.3X0.5= 0.15X0.7=
(19) 12.5X0.8= 0.25X0.4= 2.4X0.4= 0.8X0.3= 100X0.82= 4.48X0= 1.1X0.6= 0.17X0.3= 0.6X3.5= 0.3X1.1= (20) 2.5×4= 15.3-10= 3.3+7= 0.25×0.4= 12.1×0.4= 2.3×0.2= 3.1×4= 5.1×5= 12. 5×8= 0.125×80=
(21)
以下各数保留整数 7.0285≈ 6.2815≈ 5.8015≈ 4.0832≈ 17.2725≈ 7.0285≈ 0.9945≈ 0.9064≈ 4.3527≈ (22)
以下各数保留整数 0.9945≈ 1.98≈ 9.98≈ 9.58≈ 19.68≈ 19.38≈ 19.08≈ 20.12≈ 30.08≈
4
(23)
以下保留一位小数 7.0285≈ 6.2815≈ 5.8015≈ 4.0832≈ 17.2725≈ 7.0285≈ 0.9945≈ 0.9064≈ 4.3527≈ (24)
以下保留一位小数 0.9945≈ 1.981≈ 9.982≈ 9.585≈ 19.686≈ 19.387≈ 19.088≈ 20.129≈ 30.080≈
以下保留两位小数 7.0285≈ 6.2815≈ 5.8015≈ 4.0832≈ 17.2725≈ 7.0285≈ 0.9945≈ 0.9064≈ 4.3527≈ (26)
以下保留三位小数 7.0285≈ 6.2815≈ 5.8015≈ 4.0832≈ 17.2725≈ 7.0285≈ 0.9945≈ 0.9064≈ 4.3527≈
6×2×2= 6×2×0.2= 5×0.2×2= 4×2×5= 6×2×0.5= 7×0.3×2= 0.6×0.3×2= 0.9×0.1×2= 0.4×0.4×100= 0.5×0.7×10= (28) 0.3×2×2= 8×0.2×2= 0.3×0.3×0.3= 0.5×2×2= 0.1×0.2×0.6= 0.9×0.9×100= 0.7×0.8×10= 100×0.1×2= 50×0.4×2= 100×0.01×2=
5
20×0.2×2= 6×0.2×0.3= 2×6+2= 2+2×6= 2×4+2= 2×4+2= 5+2×6= 2+2×0.6= 1.7×2+2= 8×0.4+2= (30) 10×0.4+6= 11×0.6+0.4= 1.1×1.1+2= 0.8+2×0.6= 3.3×3+0.1= 2×4.4+0.2= 7.1×3+2= 1.8+0.2×6= 1.4+2+0.6= 2+7×0.6=
7.2+2×1.4= 5.5-0.1-0.4 0.7+2×6= 1.3+0.2×6= 2×6-2= 0.8×6-2.8= 9×0.7-0.3= 4×1.5-6= 759×0.7×0= 10×1.7-17= (32)
0.9×0.4-0.36= 20×0.7-4= 30×0.8-12= 0.1×0.1-0.01= 100×0.01-1= 9×0.7-0.3= 56-9×6= 12-10×1.2= 10-10×0.1= 9-10×0.9=
8-10×0.7= 1.8×0.2-0.06= 1.4×0.2-0= 5.5×0.2-2= 1.1-5×0.2= 3.3-3×0.1= 31×101= 125×3×8= 125×24= 25×7×4= (34) 25×28= 8×2×2.5= 1.25×3×8= 1.25×24= 2.5×7×4= 2.5×28= 0.125×0.6×8= 0.25×0.7×4= 2.5×3+2.5= 1.8+1.8×9=
6
3.4+9+0.6= 0.6+7×0.6= 7.2+2×7.2= 5.5-4.6-0.4 1.25×7+1.25= 1.25×5+3×1.25= 1.25×7+1.25= 3.1×101 200×360= 6800×400= (36) 280+270= 0.9×0.4= 5×2.1+2.1= 2.5×4×0.5= 50×0.04+420= 100×2.1×0.03= 3.7+1.26+0.74= 2.34-1.34×0= (1.5+2.5)×0.77=31-0.25-0.75=
(37)
34.1+21.5+0.9= 9.7×12+0.3×12= 38×0.01+0.02= (1.2+0.16)×0.1 1.25×8×4= 3.6+5.8+4.2= 9.9+0.51+0.1= 7.3×2.5×4= 1.25×8×3.7= 12-6.2-3.8= (38) 1.6×3= 1.2×0.6= 6.2×0.3= 0.6×0.7= 0.44×2= 0.25×40= 0.2×0.5= 7.5+5.4= 0.01×0.9= 0.125×8=
(39) 7-1.34= 8×0.25= 9×0.36= 0.37×10= 2.9×0.6= 0.8×0.7= 0.44×2= 0.25×40= 0.2×0.5= 7.5+5.4= (40) 0.01×0.9= 42÷0.7= 0.7+12.4= 9.9+0.51+0.1= 7.3×2.5×4= 1.25×8×3.7= 12-6.2-3.8= 5.8+3.4= 32+0.7= 25×0.01=
7
(41) 4.1×0.5= 7.86+7.86×9= 0.25+0.75= 12×0.5= 3.1+2.5×0.4= 45.7-5.5×6= 10.21×3-10.21= 33-5.5×6= 10×0.6-0.6= 3.7×0.25×400= (42)
以下各数保留整数 1.0285≈ 2.3815≈ 9.8015≈ 5.0832≈
以下保留三位小数7.0285≈ 6.2815≈ 5.8015≈
4.0832≈
转载请注明出处范文大全网 » 《小数乘小数》口算题