1. 분수로 나타내기
01. 분수를 알아보기······························································ 12
02. 분수를 읽어 보기····························································· 14
03. 똑같이 나누기································································· 16
04. 분수로 나타내기······························································ 20
2. 분수의 크기
05. 분모가 같은 분수의 크기 비교하기········································ 30
06. 분모가 다른 분수의 크기 비교하기········································ 32
07. 자연수와 분수의 크기 비교하기············································ 34
3. 분수의 종류
08. 여러 가지 분수 알아보기···················································· 38
09. 여러 가지 분수로 나타내기················································· 40
4. 생활 속의 분수
10. 생활 속의 분수································································ 44
5. 대분수와 가분수
11. 대분수를 가분수로 바꾸기·················································· 58
12. 가분수를 대분수로 바꾸기·················································· 60
6. 분수의 덧셈과 뺄셈
13. 분수의 덧셈 (1)분모가 같은 진분수······································· 64
14. 분수의 덧셈 (2)분모가 같은 대분수······································· 68
15. 분수의 뺄셈 (1)분모가 같은 진분수······································· 74
16. 분수의 뺄셈 (2)분모가 같은 대분수······································· 76
17. 분수의 뺄셈 (3)자연수와 분수············································· 78
18. 분수의 뺄셈 (4)받아내림이 있는 대분수································· 82
7. 소수 알아보기
19. 소수를 알아보기······························································ 88
20. 소수를 읽어 보기····························································· 90
21. 생활 속의 소수································································ 92
8. 소수 한 자리 수
22. 소수 한 자리 수 알아보기··················································· 96
23. 소수 한 자리 수의 덧셈·····················································104
24. 소수 한 자리 수의 뺄셈·····················································106
9. 소수 두 자리 수
25. 소수 두 자리 수 알아보기··················································110
26. 소수 두 자리 수의 덧셈·····················································118
27. 소수 두 자리 수의 뺄셈·····················································120
28. 대분수와 소수································································122
10 . 소수 세 자리 수
29. 소수 세 자리 수 알아보기··················································126
30. 소수 사이의 관계····························································134
31. 소수 세 자리 수의 덧셈·····················································136
32. 소수 세 자리 수의 뺄셈·····················································138
33. 길이와 소수··································································140
34. 무게와 소수··································································152
35. 들이와 소수··································································156
36. 단위의 변환··································································160
정답································································································163
이 누리집은 대한민국 공식 전자정부 누리집입니다.
