内容正文:
单元 4 第 1 课时 分数的意义(教材 P45 ~ 46)
5 年级 下 R
3. 8 - 3. 5 = 3. 05 × 3 = 6. 5 × 0. 2 = 4. 3 - 0. 5 =
3. 4 × 0. 5 = 0. 76 + 0. 24 = 6. 8 - 4. 5 = 8. 2 + 12. 3 =
69 ÷ 2. 3 = 10 - 6. 8 = 3. 12 ÷ 3 = 20 - 12. 8 =
0. 48 ÷ 24 = 0. 48 × 0. 5 = 6. 1 - 0. 01 = 7. 2 - 0. 5 =
2. 05 × 6 = 0. 72 - 0. 55 = 8. 5 - 3. 6 = 0. 56 ÷ 0. 2 =
0. 81 ÷ 27 = 10 - 7. 2 = 4. 9 + 2. 8 = 1. 3 - 0. 14 =
0. 89 + 0. 12 = 1 - 0. 98 = 35 ÷ 0. 07 = 2. 3 × 200 =
13. 5 + 2. 8 = 1. 5 × 0. 2 = 4. 6 + 8. 8 = 72 ÷ 3. 6 =
25 ÷ 0. 25 = 0. 36 ÷ 9 = 130 × 0. 4 = 0. 24 ÷ 2. 4 =
7. 3 - 4. 25 = 6. 64 ÷ 0. 4 = 3. 5 × 0. 6 = 7. 5 ÷ 2. 5 =
150 × 0. 28 = 3. 47 × 9. 5 = 3. 28 ÷ 1. 6 =
5. 6 × 7. 2 + 4. 4 × 7. 2 13. 6 ÷ 0. 4 ÷ 2. 5 1. 25 × 6. 17 + 0. 125 × 18. 3
62
单元 4 第 2 课时 分数与除法(教材 P49)
5 年级 下 R
5. 4 ÷ 10 = 4. 3 - 0. 25 = 2. 6 × 10 = 0. 2 × 0. 5 =
2. 6 ÷ 2 = 0. 6 × 0. 9 = 0. 54 ÷ 0. 6 = 0. 05 × 100 =
0. 07 × 10 = 0. 7 × 0. 5 = 0. 45 ÷ 1. 5 = 0. 6 × 1. 2 =
0. 14 × 0. 6 = 13. 5 ÷ 10 = 1. 5 ÷ 0. 05 = 0. 7 ÷ 0. 05 =
7. 2 ÷ 1. 2 = 0. 54 ÷ 1. 2 = 5. 6 ÷ 0. 7 = 3. 6 ÷ 0. 2 =
0. 51 ÷ 0. 17 = 0. 45 ÷ 0. 9 = 6. 3 ÷ 0. 07 = 1. 23 × 2 =
5. 2 × 0. 4 = 6. 21 × 0. 4 = 6. 3 × 0. 2 = 0. 81 ÷ 0. 09 =
3. 2 ÷ 10 = 0. 95 ÷ 0. 5 = 18. 6 ÷ 0. 06 = 7. 3 - 2. 84 =
0. 45 ÷ 0. 09 = 1. 6 ÷ 3. 2 = 0. 108 × 10 = 0. 17 × 30 =
2. 7 ÷ 0. 3 = 4. 8 ÷ 0. 6 = 5. 6 ÷ 0. 04 = 8 - 7. 43 =
2. 08 × 2. 4 = 4. 41 ÷ 4. 2 = 58. 5 ÷ 0. 15 =
1. 64 ÷ 2 ÷ 0. 41 1. 44 ÷ 3. 6 ÷ 0. 2 27. 36 ÷ 24 - 3. 36 ÷ 24
72
单元 4 第 3 课时 练习课(教材 P51)
5 年级 下 R
0. 13 × 6 = 0. 48 ÷ 0. 12 = 0. 93 ÷ 0. 3 = 6. 8 ÷ 0. 2 =
14. 7 ÷ 0. 7 = 0. 7 ÷ 0. 01 = 1. 2 × 0. 5 = 8 × 2. 5 =
1. 23 × 4 = 0. 025 × 16 = 5. 37 + 4. 68 = 0 + 9. 62 =
2. 55 ÷ 0. 5 = 2. 71 × 0. 2 = 7. 6 ÷ 0. 4 = 3. 6 × 4 =
0. 165 × 10 = 1. 78 + 2. 2 = 2. 87 ÷ 7 =