在小学数学的学习中,乘法分配律是一个非常重要的知识点。它不仅帮助学生更好地理解乘法和加减法之间的关系,还能为以后更复杂的数学运算打下坚实的基础。以下是精心挑选的30道乘法分配律练习题,适合四年级的学生进行练习。
1. 2 × (3 + 4) =
2. 5 × (6 + 7) =
3. 8 × (9 + 1) =
4. 4 × (5 + 6) =
5. 7 × (8 + 2) =
6. 3 × (4 + 9) =
7. 6 × (7 + 3) =
8. 9 × (1 + 8) =
9. 2 × (5 + 5) =
10. 3 × (6 + 4) =
11. 4 × (7 + 3) =
12. 5 × (8 + 2) =
13. 6 × (9 + 1) =
14. 7 × (2 + 8) =
15. 8 × (3 + 7) =
16. 9 × (4 + 6) =
17. 1 × (5 + 5) =
18. 2 × (6 + 4) =
19. 3 × (7 + 3) =
20. 4 × (8 + 2) =
21. 5 × (9 + 1) =
22. 6 × (1 + 9) =
23. 7 × (2 + 8) =
24. 8 × (3 + 7) =
25. 9 × (4 + 6) =
26. 1 × (5 + 5) =
27. 2 × (6 + 4) =
28. 3 × (7 + 3) =
29. 4 × (8 + 2) =
30. 5 × (9 + 1) =
通过这些题目,学生们可以逐步掌握乘法分配律的应用方法。例如,公式a × (b + c) = a × b + a × c,可以帮助学生快速计算出结果。希望同学们能够认真练习,熟练掌握这一重要知识点!