三年级上学期奥数练习题

三年级上学期奥数练习题
本文为三年级上学期奥数练习题，共包含30道题目。

请根据题目逐一解答，并在相应的空格内填上正确答案。

1. 18 + 24 = ___
2. 35 - 12 = ___
3. 7 × 6 = ___
4. 48 ÷ 6 = ___
5. 29 + 14 = ___
6. 50 - 27 = ___
7. 9 × 5 = ___
8. 42 ÷ 7 = ___
9. Mary has 24 crayons. She gives 6 crayons to her friend. How many crayons does Mary have now? ___
10. There are 15 students in a classroom. If 7 students go to the library, how many students are left in the classroom? ___
11. 17 + 25 = ___
12. 47 - 13 = ___
13. 6 × 8 = ___
14. 54 ÷ 9 = ___
15. 35 + 19 = ___
16. 70 - 23 = ___
17. 8 × 6 = ___
18. 48 ÷ 8 = ___
19. Jack has 28 stickers. He gives 5 stickers to his sister. How many stickers does Jack have now? ___
20. There are 20 candies in a jar. If 9 candies are taken out, how many candies are left in the jar? ___
21. 12 + 19 = ___
22. 38 - 14 = ___
23. 5 × 7 = ___
24. 56 ÷ 7 = ___
25. 41 + 23 = ___
26. 60 - 29 = ___
27. 7 × 8 = ___
28. 56 ÷ 8 = ___
29. Tom has 30 marbles. He gives 8 marbles to his friend. How many marbles does Tom have now? ___
30. There are 25 pens on a table. If 12 pens are taken away, how many pens are left on the table? ___
请在每道题的相应空格内填入正确答案。

完成后，请仔细检查答案，并核对是否答对了所有的题目。

祝你好运！。