一年级下册 100以内数的认识（口算）
姓名：_______________
学号：_______________
用时：_______________
| 80 + 1 = | 83 - 3 = | 17 - 7 = | 90 + 1 = |
| 20 + 9 = | 48 - 8 = | 70 + 5 = | 51 - 1 = |
| 60 + 6 = | 70 + 7 = | 44 - 4 = | 40 + 6 = |
| 58 - 8 = | 99 - 9 = | 22 - 2 = | 61 - 1 = |
| 30 + 9 = | 62 - 2 = | 50 + 5 = | 57 - 7 = |
| 59 - 9 = | 40 + 3 = | 10 + 4 = | 52 - 2 = |
| 99 - 9 = | 72 - 2 = | 80 + 1 = | 92 - 2 = |
| 80 + 3 = | 60 + 3 = | 20 + 6 = | 10 + 8 = |
| 46 - 6 = | 59 - 9 = | 61 - 1 = | 30 + 4 = |
| 17 - 7 = | 30 + 2 = | 17 - 7 = | 85 - 5 = |
| 20 + 5 = | 92 - 2 = | 52 - 2 = | 20 + 5 = |
| 70 + 9 = | 35 - 5 = | 40 + 4 = | 40 + 4 = |
| 40 + 2 = | 45 - 5 = | 20 + 9 = | 50 + 1 = |
| 70 + 4 = | 24 - 4 = | 29 - 9 = | 17 - 7 = |
| 21 - 1 = | 75 - 5 = | 90 + 6 = | 90 + 7 = |
| 14 - 4 = | 80 + 8 = | 92 - 2 = | 24 - 4 = |
| 10 + 4 = | 35 - 5 = | 20 + 6 = | 26 - 6 = |
| 40 + 5 = | 50 + 2 = | 15 - 5 = | 75 - 5 = |
| 50 + 2 = | 30 + 9 = | 22 - 2 = | 96 - 6 = |
| 20 + 7 = | 95 - 5 = | 86 - 6 = | 17 - 7 = |
| 40 + 5 = | 75 - 5 = | 48 - 8 = | 72 - 2 = |
| 78 - 8 = | 10 + 7 = | 32 - 2 = | 91 - 1 = |
| 35 - 5 = | 76 - 6 = | 40 + 4 = | 70 + 5 = |
| 20 + 4 = | 40 + 5 = | 10 + 3 = | 30 + 3 = |
| 61 - 1 = | 20 + 2 = | 20 + 8 = | 10 + 5 = |
一年级下册 100以内数的认识（口算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 80 + 1 = 81 | 83 - 3 = 80 | 17 - 7 = 10 | 90 + 1 = 91 |
| 20 + 9 = 29 | 48 - 8 = 40 | 70 + 5 = 75 | 51 - 1 = 50 |
| 60 + 6 = 66 | 70 + 7 = 77 | 44 - 4 = 40 | 40 + 6 = 46 |
| 58 - 8 = 50 | 99 - 9 = 90 | 22 - 2 = 20 | 61 - 1 = 60 |
| 30 + 9 = 39 | 62 - 2 = 60 | 50 + 5 = 55 | 57 - 7 = 50 |
| 59 - 9 = 50 | 40 + 3 = 43 | 10 + 4 = 14 | 52 - 2 = 50 |
| 99 - 9 = 90 | 72 - 2 = 70 | 80 + 1 = 81 | 92 - 2 = 90 |
| 80 + 3 = 83 | 60 + 3 = 63 | 20 + 6 = 26 | 10 + 8 = 18 |
| 46 - 6 = 40 | 59 - 9 = 50 | 61 - 1 = 60 | 30 + 4 = 34 |
| 17 - 7 = 10 | 30 + 2 = 32 | 17 - 7 = 10 | 85 - 5 = 80 |
| 20 + 5 = 25 | 92 - 2 = 90 | 52 - 2 = 50 | 20 + 5 = 25 |
| 70 + 9 = 79 | 35 - 5 = 30 | 40 + 4 = 44 | 40 + 4 = 44 |
| 40 + 2 = 42 | 45 - 5 = 40 | 20 + 9 = 29 | 50 + 1 = 51 |
| 70 + 4 = 74 | 24 - 4 = 20 | 29 - 9 = 20 | 17 - 7 = 10 |
| 21 - 1 = 20 | 75 - 5 = 70 | 90 + 6 = 96 | 90 + 7 = 97 |
| 14 - 4 = 10 | 80 + 8 = 88 | 92 - 2 = 90 | 24 - 4 = 20 |
| 10 + 4 = 14 | 35 - 5 = 30 | 20 + 6 = 26 | 26 - 6 = 20 |
| 40 + 5 = 45 | 50 + 2 = 52 | 15 - 5 = 10 | 75 - 5 = 70 |
| 50 + 2 = 52 | 30 + 9 = 39 | 22 - 2 = 20 | 96 - 6 = 90 |
| 20 + 7 = 27 | 95 - 5 = 90 | 86 - 6 = 80 | 17 - 7 = 10 |
| 40 + 5 = 45 | 75 - 5 = 70 | 48 - 8 = 40 | 72 - 2 = 70 |
| 78 - 8 = 70 | 10 + 7 = 17 | 32 - 2 = 30 | 91 - 1 = 90 |
| 35 - 5 = 30 | 76 - 6 = 70 | 40 + 4 = 44 | 70 + 5 = 75 |
| 20 + 4 = 24 | 40 + 5 = 45 | 10 + 3 = 13 | 30 + 3 = 33 |
| 61 - 1 = 60 | 20 + 2 = 22 | 20 + 8 = 28 | 10 + 5 = 15 |