【20道乘法竖式计算题四年级上册及答案(四年级乘法计算题100道)】在小学数学学习中,乘法是基础运算的重要组成部分。尤其是四年级的学生,正处于从简单乘法向多位数乘法过渡的关键阶段。为了帮助学生巩固乘法知识,提高计算能力,下面整理了20道适合四年级上册的乘法竖式计算题,并附有详细解答,方便家长和老师辅导使用。
一、乘法竖式练习题(共20题)
1. 34 × 12
2. 56 × 13
3. 78 × 11
4. 92 × 14
5. 47 × 15
6. 63 × 17
7. 89 × 16
8. 25 × 24
9. 37 × 22
10. 48 × 21
11. 67 × 18
12. 81 × 19
13. 54 × 23
14. 72 × 12
15. 39 × 25
16. 66 × 15
17. 45 × 27
18. 73 × 16
19. 29 × 28
20. 84 × 13
二、参考答案与解析
1. 34 × 12 = 408
- 34 × 10 = 340
- 34 × 2 = 68
- 340 + 68 = 408
2. 56 × 13 = 728
- 56 × 10 = 560
- 56 × 3 = 168
- 560 + 168 = 728
3. 78 × 11 = 858
- 78 × 10 = 780
- 78 × 1 = 78
- 780 + 78 = 858
4. 92 × 14 = 1288
- 92 × 10 = 920
- 92 × 4 = 368
- 920 + 368 = 1288
5. 47 × 15 = 705
- 47 × 10 = 470
- 47 × 5 = 235
- 470 + 235 = 705
6. 63 × 17 = 1071
- 63 × 10 = 630
- 63 × 7 = 441
- 630 + 441 = 1071
7. 89 × 16 = 1424
- 89 × 10 = 890
- 89 × 6 = 534
- 890 + 534 = 1424
8. 25 × 24 = 600
- 25 × 20 = 500
- 25 × 4 = 100
- 500 + 100 = 600
9. 37 × 22 = 814
- 37 × 20 = 740
- 37 × 2 = 74
- 740 + 74 = 814
10. 48 × 21 = 1008
- 48 × 20 = 960
- 48 × 1 = 48
- 960 + 48 = 1008
11. 67 × 18 = 1206
- 67 × 10 = 670
- 67 × 8 = 536
- 670 + 536 = 1206
12. 81 × 19 = 1539
- 81 × 10 = 810
- 81 × 9 = 729
- 810 + 729 = 1539
13. 54 × 23 = 1242
- 54 × 20 = 1080
- 54 × 3 = 162
- 1080 + 162 = 1242
14. 72 × 12 = 864
- 72 × 10 = 720
- 72 × 2 = 144
- 720 + 144 = 864
15. 39 × 25 = 975
- 39 × 20 = 780
- 39 × 5 = 195
- 780 + 195 = 975
16. 66 × 15 = 990
- 66 × 10 = 660
- 66 × 5 = 330
- 660 + 330 = 990
17. 45 × 27 = 1215
- 45 × 20 = 900
- 45 × 7 = 315
- 900 + 315 = 1215
18. 73 × 16 = 1168
- 73 × 10 = 730
- 73 × 6 = 438
- 730 + 438 = 1168
19. 29 × 28 = 812
- 29 × 20 = 580
- 29 × 8 = 232
- 580 + 232 = 812
20. 84 × 13 = 1092
- 84 × 10 = 840
- 84 × 3 = 252
- 840 + 252 = 1092
三、学习建议
这些题目涵盖了两位数乘以两位数的基本计算方式,有助于学生掌握竖式计算的步骤和技巧。建议学生在做题时先列竖式,再逐步计算,养成良好的计算习惯。同时,也可以将题目进行适当变形,如加入三位数乘以两位数等,进一步提升学生的计算能力和逻辑思维能力。
通过持续练习,孩子们不仅能提高计算速度,还能增强对数字的敏感度和数学兴趣。希望这份练习题能够帮助到广大的四年级学生和家长,助力他们在数学学习的道路上稳步前行。


