五年级口算
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五年级口算题竖式计算一、口算题(10题)(一)小数乘法口算。
1. 题目:0.3×0.4 =- 解析:计算时,先按照整数乘法计算,3×4 = 12。
然后看因数中一共有两位小数,就从积的右边起数出两位点上小数点,所以结果是0.12。
2. 题目:0.5×0.8 =- 解析:先算5×8 = 40,因数共有两位小数,从积的右边起数出两位点上小数点,结果为0.4。
(二)小数除法口算(除数是整数)1. 题目:0.6÷2 =- 解析:把0.6看作6个0.1,6个0.1除以2等于3个0.1,也就是0.3。
2. 题目:1.2÷3 =- 解析:1.2是12个0.1,12个0.1除以3得4个0.1,结果是0.4。
(三)分数加减法口算。
1. 题目:(1)/(4)+(1)/(4)=- 解析:同分母分数相加,分母不变,分子相加。
1 + 1 = 2,所以结果是(2)/(4),约分后为(1)/(2)。
2. 题目:(3)/(8)-(1)/(8)=- 解析:同分母分数相减,分母不变,分子相减。
3 - 1 = 2,结果是(2)/(8),约分后为(1)/(4)。
(四)整数乘分数口算。
1. 题目:2×(1)/(3)=- 解析:整数乘以分数,用整数乘以分子做分子,分母不变。
2乘以1得2,结果是(2)/(3)。
2. 题目:3×(2)/(5)=- 解析:3乘以2得6,结果是(6)/(5),化成带分数为1(1)/(5)。
二、竖式计算题(10题)(一)小数乘法竖式计算。
1. 题目:2.3×1.5 =- 竖式计算过程:2.3.× 1.5.--115.23.--3.45.- 解析:先按照整数乘法计算,23×15 = 345。
然后看因数中一共有两位小数,从积的右边起数出两位点上小数点,得到3.45。
2. 题目:0.48×0.2 =- 竖式计算过程:0.48.× 0.2.--0.096.- 解析:先算48×2 = 96,因数共有三位小数,从积的右边起数出三位点上小数点,前面数位不够用0补足,结果是0.096。
人教版五年级100道口算题及答案(一)1. 小明家有3只小猫,小明送了2只给小红,还剩几只小猫?答案:1只小猫2. 小明的生日是星期四,今天是星期一,再过几天就是小明的生日?答案:3天3. 小红一年前身高是120厘米,现在比一年前高了8厘米,她现在的身高是多少厘米?答案:128厘米4. 一辆火车行驶了500千米,又后退了150千米,最后的行驶距离是多少千米?答案:350千米5. 一盒铅笔有10支,小明买了2盒铅笔,一共有多少支铅笔?答案:20支铅笔(二)6. 一个数字的各位数之和是5,个位数字是3,这个数字是多少?答案:327. 小明有3张5元纸币,他还想要买一张15元的书,他还需要多少钱?答案:30元8. 小红有一些糖果,她把其中的20颗糖果分给小明,还剩下一半的糖果,小红原本有多少颗糖果?答案:40颗糖果9. 一辆汽车每小时行驶100千米,开了2小时,行驶了多少千米?答案:200千米10. 一只桶里有5升水,小明喝掉了1升水,还剩多少升水?答案:4升水(三)11. 一个小组有8个人,其中的一半人是男生,那么这个小组男生有多少人?答案:4人12. 一本书有180页,小红每天读10页,读完这本书需要多少天?答案:18天13. 一只香蕉用了5分钟吃完,小明花了3分钟吃了一半的香蕉,他吃了多少分钟?答案:2分钟14. 一只篮子里有20只苹果,小明买了3只苹果,篮子里还剩多少只苹果?答案:17只苹果15. 爸爸给小明买了一本书,花了20元,爸爸还剩下30元钱,爸爸原本有多少钱?答案:50元(四)16. 一辆汽车以每小时80千米的速度行驶,行驶了5小时,行驶了多少千米?答案:400千米17. 5颗苹果用10元买,那么1颗苹果多少钱?答案:2元18. 一条绳子长20米,小明需要用这条绳子剪成4段一样长的绳子,每段绳子有多长?答案:5米19. 篮球队有12个队员,其中4个队员是女生,男生队员有多少人?答案:8人20. 一辆公共汽车每站停3分钟,共经过10个站,这辆公共汽车停下来的时间一共有多长?答案:30分钟以上是人教版五年级100道口算题及答案的其中一部分,希望能给您提供一些帮助。
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五年级口算题1000道及答案(1)2.9 ×0.5 =答案:1.45 (2)5.9 ×0.2 =答案:1.18 (3)3.6 ×7 =答案:25.2 (4)4.3 ×0.3 =答案:1.29 (5)5.9 ×9 =答案:53.1 (6)9.4 ×9 =答案:84.6 (7)7.5 ×6 =答案:45 (8)1.3 ×3 =答案:3.9 (9)3.8 ×7 =答案:26.6 (10)4.7 ×5 =答案:23.5 (11)5.2 ×7 =答案:36.4 (12)2.3 ×2 =答案:4.6 (13)6.8 ×7 =答案:47.6 (14)6.7 ×0.3 =答案:2.01 (15)7.5 ×7 =答案:52.5 (16)7.1 ×0.7 =答案:4.97 (17)6.6 ×2 =答案:13.2 (18)3.5 ×0.2 =答案:0.7 (19)3.7 ×0.3 =答案:1.11 (20)4 ×0.3 =答案:1.2 (21)9.2 ×9 =答案:82.8 (22)6.1 ×9 =答案:54.9 (23)6.8 ×5 =答案:34 (24)4.8 ×4 =答案:19.2 (25)4.1 ×2 =答案:8.2 (26)6.4 ×0.4 =答案:2.56 (27)9.6 ×7 =答案:67.2 (28)1.9 ×0.8 =答案:1.52 (29)4.2 ×0.3 =答案:1.26 (30)1.9 ×0.8 =答案:1.52 (31)8.7 ×0.4 =答案:3.48 (32)2.6 ×7 =答案:18.2 (33)2.1 ×3 =答案:6.3 (34)1.6 ×2 =答案:3.2 (35)5.3 ×3 =答案:15.9 (36)8.5 ×9 =答案:76.5 (37)6.9 ×0.7 =答案:4.83 (38)6.6 ×0.4 =答案:2.64 (39)4.3 ×8 =答案:34.4 (40)8.2 ×3 =答案:24.6 (41)8.4 ×6 =答案:50.4 (42)2 × 6 =答案:12 (43)8.7 ×0.3 =答案:2.61 (44)3.2 ×0.5 =答案:1.6 (45)8.5 ×0.9 =答案:7.65 (46)7.1×0.7 =答案:4.97 (47)7.1 ×6 =答案:42.6 (48)7.4 ×0.5 =答案:3.7 (49)9.6 ×3 =答案:28.8 (50)8.4 ×8 =答案:67.2 (51)2.5 ×4 =答案:10 (52)1.3 ×3 =答案:3.9 (53)8 ×0.4 =答案:3.2 (54)7.8 ×9 =答案:70.2 (55)6 ×0.5 =答案:3 (56)7.7 ×8 =答案:61.6 (57)9.9 ×0.7 =答案:6.93 (58)5.4 ×2 =答案:10.8 (59)5.1 ×2 =答案:10.2 (60)4.7 ×3 =答案:14.1 (61)1.2 ×0.2 =答案:0.24 (62)5.3 ×0.2 =答案:1.06 (63)2.7 ×8 =答案:21.6 (64)2 ×9 =答案:18 (65)9.6 ×9 =答案:86.4 (66)5.4 ×3 =答案:16.2 (67)9.3 ×3 =答案:27.9 (68)5.5 ×0.8 =答案:4.4 (69)7.4 ×0.7 =答案:5.18 (70)3.4 ×0.6 =答案:2.04 (71)4.5 ×0.4 =答案:1.8 (72)3.8 ×7 =答案:26.6 (73)4.7 ×0.2 =答案:0.94 (74)1.5 ×6 =答案:9 (75)8 ×0.9 =答案:7.2 (76)9.2 ×0.6 =答案:5.52 (77)2.4 ×9 =答案:21.6 (78)1.8 × 5 =答案:9 (79)8.9 ×0.6 =答案:5.34 (80)3.2 ×0.8 =答案:2.56 (81)9.7 ×9 =答案:87.3 (82)6 ×7 =答案:42 (83)1.6 ×0.7 =答案:1.12 (84)6.3 ×2 =答案:12.6 (85)7.1 ×0.8 =答案:5.68 (86)5.2 ×7 =答案:36.4 (87)3.9 ×0.8 =答案:3.12 (88)9.9 ×0.2 =答案:1.98 (89)2.4 ×0.4 =答案:0.96 (90)3.5 ×5 =答案:17.5 (91)7.7 ×3 =答案:23.1 (92)9.5 ×0.2 =答案:1.9 (93)7.8 ×0.3 =答案:2.34 (94)3.4 ×8 =答案:27.2 (95)1.3 ×0.6 =答案:0.78 (96)9 ×0.5 =答案:4.5 (97)3.5 ×0.5 =答案:1.75 (98)3.4 ×9 =答案:30.6 (99)3.4 ×0.9 =答案:3.06 (100)6.5 ×0.5 =答案:3.25 1)7.4 × 6 =答案:44.4 (2)2.3 × 5 =答案:11.5 (3)5.1 ×0.4 =答案:2.04 (4)9.6 ×4 =答案:38.4 (5)5.4 ×5 =答案:27 (6)1.5 ×0.8 =答案:1.2 (7)9.4 ×2 =答案:18.8(8)1.6 ×0.8 =答案:1.28 (9)7.5 ×0.7 =答案:5.25 (10)3.7 ×9 =答案:33.3 (11)1.8 ×0.6 =答案:1.08 (12)3.5 ×7 =答案:24.5 (13)9.3 ×4 =答案:37.2 (14)2.7 ×0.7 =答案:1.89 (15)5.2 ×7 =答案:36.4 (16)3.8 ×0.2 =答案:0.76 (17)1.2 ×0.9 =答案:1.08 (18)6.1 ×7 =答案:42.7 (19)3.8 ×0.7 =答案:2.66 (20)1.6 ×5 =答案:8 (21)5.9 ×0.3 =答案:1.77 (22)9 ×9 =答案:81 (23)7.1 ×0.3 =答案:2.13 (24)9.7 ×2 =答案:19.4 (25)5.8 ×0.8 =答案:4.64 (26)1.7 ×6 =答案:10.2 (27)9.6 ×0.5 =答案:4.8 (28)1.8 ×4 =答案:7.2 (29)4.3 ×0.6 =答案:2.58 (30)1.3 ×9 =答案:11.7 (31)2.9 ×8 =答案:23.2 (32)5.6 ×7 =答案:39.2 (33)5.3 ×0.6 =答案:3.18 (34)5.4 ×0.7 =答案:3.78 (35)5.3 ×0.2 =答案:1.06 (36)8.3 ×2 =答案:16.6 (37)9.5 ×3 =答案:28.5 (38)7.3 ×2 =答案:14.6 (39)2 ×0.5 =答案:1 (40)5.2 ×0.6 =答案:3.12 (41)9.7 ×7 =答案:67.9 (42)6.1 ×8 =答案:48.8 (43)6.7 ×0.2 =答案:1.34 (44)8.6 ×6 =答案:51.6 (45)3.1 ×0.5 =答案:1.55 (46)8.2 ×6 =答案:49.2 (47)1.5 ×6 =答案:9 (48)8.4 ×2 =答案:16.8 (49)1.3 ×6 =答案:7.8 (50)8.9 ×0.5 =答(53)6.3 ×9 =答案:56.7 (54)6.4 ×3 =答案:19.2 (55)8.5 ×0.2 =答案:1.7 (56)1.5 ×0.5 =答案:0.75 (57)3 ×0.4 =答案:1.2 (58)6.8 × 5 =答案:34 (59)8.7 ×0.3 =答案:2.61 (60)5.6 ×6 =答案:33.6 (61)5.5 ×0.7 =答案:3.85 (62)9.6 ×0.3 =答案:2.88 (63)9.6 ×7 =答案:67.2 (64)8.3 ×3 =答案:24.9 (65)9.5 ×0.5 =答案:4.75 (66)5.5 ×9 =答案:49.5 (67)1.9 ×9 =答案:17.1 (68)2.2 ×7 =答案:15.4 (69)3.8 ×0.9 =答案:3.42 (70)1.8 ×0.7 =答案:1.26 (71)4.6 ×0.2 =答案:0.92 (72)1.3 ×0.2 =答案:0.26 (73)4.3 ×0.9 =答案:3.87 (74)1.4 ×2 =答案:2.8 (75)7 ×5 =答案:35 (76)2.5 ×7 =答案:17.5 (77)6.4 ×0.4 =答案:2.56 (78)6.3 ×5 =答案:31.5 (79)3.1 ×4 =答案:12.4 (80)5.8 ×0.7 =答案:4.06 (81)1.2 ×8 =答案:9.6 (82)6.5 ×0.5 =答案:3.25 (83)3.9 ×0.9 =答案:3.51 (84)9.3 ×3 =答案:27.9 (85)2 ×2 =答案:4 (86)3.7 ×5 =答案:18.5 (87)1.1 ×3 =答案:3.3 (88)6.5 ×5 =答案:32.5 (89)2.7 ×0.8 =答案:2.16 (90)8.4 ×8 =答案:67.2 (91)4.2 ×0.8 =答案:3.36 (92)6.9 ×2 =答案:13.8 (93)6.6 ×2 =答案:13.2 (94)9.5 ×0.8 =答案:7.6 (95)6.6 ×0.7 =答案:4.62 (96)1.7 ×0.5 =答案:0.85 (97)6.9 ×9 =答案:62.1 (98)8.4 ×6 =答案:50.4 (99)9.4 ×0.5 =答案:4.7 (100)8.4 ×0.5 =答案:4.2 (1)5.6 ×8 =答案:44.8 (2)3.9 ×5案:1.46 (5)9.4 ×8 =答案:75.2 (6)3.8 ×0.3 =答案:1.14 (7)8.6 ×0.4 =答案:3.44 (8)7.3 ×4 =答案:29.2 (9)4.8 ×0.4 =答案:1.92 (10)1.3 ×4 =答案:5.2 (11)7.3 ×8 =答案:58.4 (12)8 ×4 =答案:32 (13)3.2 ×6 =答案:19.2 (14)4.7 ×0.3 =答案:1.41 (15)4.6 ×0.9 =答案:4.14 (16)9.9 × 4 =答案:39.6 (17)8.2 ×0.5 =答案:4.1 (18)8.2 ×0.5 =答案:4.1 (19)5 ×0.8 =答案:4 (20)5.7 ×9 =答案:51.3 (21)3.9 ×5 =答案:19.5 (22)7.3 × 2 =答案:14.6 (23)5.3 × 3 =答案:15.9 (24)6.7 ×0.2 =答案:1.34 (25)4.3 ×0.5 =答案:2.15 (26)4.7 ×0.4 =答案:1.88 (27)2.4 ×5 =答案:12 (28)7.3 ×0.3 =答案:2.19 (29)3.8 ×0.9 =答案:3.42 (30)7.3 ×4 =答案:29.2 (31)5.1 ×0.7 =答案:3.57 (32)9.8 ×2 =答案:19.6 (33)8.3 ×0.7 =答案:5.81 (34)4.3 ×0.6 =答案:2.58 (35)9.5 ×0.3 =答案:2.85 (36)9.9 ×5 =答案:49.5 (37)3.4 ×2 =答案:6.8 (38)2.9 × 4 =答案:11.6 (39)1.1 × 6 =答案:6.6 (40)2.1 ×5 =答案:10.5 (41)9.1 ×0.8 =答案:7.28 (42)9.7 ×0.3 =答案:2.91 (43)9.6 ×0.5 =答案:4.8 (44)5.1 ×0.6 =答案:3.06 (45)5.5 ×8 =答案:44 (46)9 ×8 =答案:72 (47)5 ×4 =答案:20 (48)4.1 ×5 =答案:20.5 (49)1.4 ×0.3 =答案:0.42 (50)2.4 ×9 =答案:21.6 (51)5.1 ×7 =答案:35.7 (52)7.9 ×5 =答案:39.5 (53)4.1 ×9 =答案:36.9 (54)1.6 ×案:6.23 (57)6.2 ×0.2 =答案:1.24 (58)2.6 ×7 =答案:18.2 (59)6.8 ×0.6 =答案:4.08 (60)5.6 ×9 =答案:50.4 (61)9.8 ×0.8 =答案:7.84 (62)9 ×9 =答案:81 (63)3.8 ×7 =答案:26.6 (64)2.5 ×6 =答案:15 (65)1.7 ×5 =答案:8.5 (66)4.6 ×0.7 =答案:3.22 (67)8.9 ×3 =答案:26.7 (68)7.9 ×0.6 =答案:4.74 (69)6.3 ×4 =答案:25.2 (70)2.9 ×0.3 =答案:0.87 (71)4.6 ×8 =答案:36.8 (72)1.5 ×2 =答案:3 (73)6.9 ×0.7 =答案:4.83 (74)5.8 × 6 =答案:34.8 (75)3.4 ×0.5 =答案:1.7 (76)1.9 × 2 =答案:3.8 (77)8.3 ×0.4 =答案:3.32 (78)7.4 ×6 =答案:44.4 (79)4.5 ×3 =答案:13.5 (80)5.9 ×4 =答案:23.6 (81)8.9 ×0.2 =答案:1.78 (82)4.9 ×8 =答案:39.2 (83)7.5 × 2 =答案:15 (84)1.5 ×7 =答案:10.5 (85)8.3 ×0.4 =答案:3.32 (86)6.1 ×0.6 =答案:3.66 (87)3.7 ×0.5 =答案:1.85 (88)7.4 ×0.5 =答案:3.7 (89)1.3 ×0.7 =答案:0.91 (90)3.5 ×0.7 =答案:2.45 (91)9.9 ×0.2 =答案:1.98 (92)2 ×7 =答案:14 (93)4.4 ×0.8 =答案:3.52 (94)8.5 ×4 =答案:34 (95)9.8 ×8 =答案:78.4 (96)9 ×9 =答案:81 (97)2.7 ×8 =答案:21.6 (98)1.6 ×0.3 =答案:0.48 (99)5.7 ×3 =答案:17.1 (100)7.5 ×5 =答案:37.5 1)4.1 ×0.7 =答案:2.87 (2)3.9 × 5 =答案:19.5 (3)8.5 × 2 =答案:17 (4)7.7 ×6 =答案:46.2 (5)4 ×9 =答案:36 (6)1.7 ×2=答案:3.4 (7)7.9 ×6 =答案:47.4 (8)4.2 ×0.9 =答案:3.78 (9)2.6 ×6 =答案:15.6 (10)9.9 ×8 =答案:79.2 (11)1.7 ×5 =答案:8.5 (12)2.4 ×4 =答案:9.6 (13)6 ×0.4 =答案:2.4 (14)3.9 ×6 =答案:23.4 (15)7 ×0.4 =答案:2.8 (16)7.6 ×0.4 =答案:3.04 (17)3.9 ×0.7 =答案:2.73 (18)2.8 ×0.3 =答案:0.84 (19)3 ×9 =答案:27 (20)8.1 ×0.3 =答案:2.43 (21)3.3 ×8 =答案:26.4 (22)8.1 ×0.7 =答案:5.67 (23)2.2 ×3 =答案:6.6 (24)3 ×6 =答案:18 (25)3.2 ×5 =答案:16 (26)4.3 ×7 =答案:30.1 (27)6.7 ×5 =答案:33.5 (28)2.7 ×0.7 =答案:1.89 (29)1.4 ×0.9 =答案:1.26 (30)1.6 ×9 =答案:14.4 (31)8 ×0.8 =答案:6.4 (32)5.9 × 2 =答案:11.8 (33)3.6 ×9 =答案:32.4 (34)1.4 ×0.6 =答案:0.84 (35)8.3 ×0.2 =答案:1.66 (36)7 ×9 =答案:63 (37)8.7 ×8 =答案:69.6 (38)2.9 ×3 =答案:8.7 (39)6.7 ×0.2 =答案:1.34 (40)1.6 ×0.8 =答案:1.28 (41)9.6 ×2 =答案:19.2 (42)5.4 ×5 =答案:27 (43)5.8 ×0.7 =答案:4.06 (44)3.7 ×0.2 =答案:0.74 (45)8.7 ×0.6 =答案:5.22 (46)2.1 ×0.4 =答案:0.84 (47)1.6 ×5 =答案:8 (48)4.6 ×3 =答案:13.8 (49)9.5 ×0.6 =答案:5.7 (50)5.6 ×9 =答案:50.4 (51)5.9 ×0.3 =答案:1.77 (52)9 ×2 =答案:18 (53)9 ×4 =答案:36 (54)4.5 ×3 =答案:13.5 (55)4.4 ×6 =答案:26.4 (56)5.5 ×4 =答案:22 (57)8.6 × 6 =答案:51.6 (58)6.6 ×0.2 =答案:1.32(59)8.7 ×0.6 =答案:5.22 (60)2.4 ×0.6 =答案:1.44。