一年级下册 100以内数的认识（口算）
姓名：_______________
学号：_______________
用时：_______________
| 21 - 1 = | 82 - 2 = | 60 + 7 = | 30 + 1 = |
| 80 + 1 = | 43 - 3 = | 60 + 1 = | 40 + 8 = |
| 49 - 9 = | 60 + 2 = | 39 - 9 = | 30 + 4 = |
| 20 + 3 = | 10 + 1 = | 50 + 7 = | 46 - 6 = |
| 52 - 2 = | 50 + 4 = | 66 - 6 = | 70 + 8 = |
| 60 + 5 = | 10 + 9 = | 52 - 2 = | 90 + 1 = |
| 20 + 9 = | 80 + 4 = | 52 - 2 = | 70 + 6 = |
| 99 - 9 = | 67 - 7 = | 75 - 5 = | 20 + 6 = |
| 30 + 2 = | 89 - 9 = | 92 - 2 = | 73 - 3 = |
| 40 + 2 = | 10 + 1 = | 44 - 4 = | 91 - 1 = |
| 18 - 8 = | 53 - 3 = | 20 + 9 = | 86 - 6 = |
| 70 + 4 = | 30 + 9 = | 90 + 3 = | 72 - 2 = |
| 51 - 1 = | 39 - 9 = | 24 - 4 = | 72 - 2 = |
| 33 - 3 = | 49 - 9 = | 47 - 7 = | 84 - 4 = |
| 98 - 8 = | 79 - 9 = | 33 - 3 = | 30 + 1 = |
| 40 + 4 = | 89 - 9 = | 10 + 8 = | 30 + 9 = |
| 17 - 7 = | 39 - 9 = | 60 + 3 = | 40 + 6 = |
| 68 - 8 = | 47 - 7 = | 18 - 8 = | 87 - 7 = |
| 50 + 1 = | 50 + 1 = | 20 + 9 = | 40 + 1 = |
| 33 - 3 = | 70 + 6 = | 70 + 9 = | 20 + 2 = |
| 87 - 7 = | 41 - 1 = | 40 + 9 = | 66 - 6 = |
| 12 - 2 = | 93 - 3 = | 20 + 5 = | 39 - 9 = |
| 99 - 9 = | 55 - 5 = | 50 + 9 = | 93 - 3 = |
| 80 + 5 = | 40 + 2 = | 10 + 6 = | 60 + 1 = |
| 72 - 2 = | 22 - 2 = | 10 + 7 = | 50 + 6 = |
一年级下册 100以内数的认识（口算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 21 - 1 = 20 | 82 - 2 = 80 | 60 + 7 = 67 | 30 + 1 = 31 |
| 80 + 1 = 81 | 43 - 3 = 40 | 60 + 1 = 61 | 40 + 8 = 48 |
| 49 - 9 = 40 | 60 + 2 = 62 | 39 - 9 = 30 | 30 + 4 = 34 |
| 20 + 3 = 23 | 10 + 1 = 11 | 50 + 7 = 57 | 46 - 6 = 40 |
| 52 - 2 = 50 | 50 + 4 = 54 | 66 - 6 = 60 | 70 + 8 = 78 |
| 60 + 5 = 65 | 10 + 9 = 19 | 52 - 2 = 50 | 90 + 1 = 91 |
| 20 + 9 = 29 | 80 + 4 = 84 | 52 - 2 = 50 | 70 + 6 = 76 |
| 99 - 9 = 90 | 67 - 7 = 60 | 75 - 5 = 70 | 20 + 6 = 26 |
| 30 + 2 = 32 | 89 - 9 = 80 | 92 - 2 = 90 | 73 - 3 = 70 |
| 40 + 2 = 42 | 10 + 1 = 11 | 44 - 4 = 40 | 91 - 1 = 90 |
| 18 - 8 = 10 | 53 - 3 = 50 | 20 + 9 = 29 | 86 - 6 = 80 |
| 70 + 4 = 74 | 30 + 9 = 39 | 90 + 3 = 93 | 72 - 2 = 70 |
| 51 - 1 = 50 | 39 - 9 = 30 | 24 - 4 = 20 | 72 - 2 = 70 |
| 33 - 3 = 30 | 49 - 9 = 40 | 47 - 7 = 40 | 84 - 4 = 80 |
| 98 - 8 = 90 | 79 - 9 = 70 | 33 - 3 = 30 | 30 + 1 = 31 |
| 40 + 4 = 44 | 89 - 9 = 80 | 10 + 8 = 18 | 30 + 9 = 39 |
| 17 - 7 = 10 | 39 - 9 = 30 | 60 + 3 = 63 | 40 + 6 = 46 |
| 68 - 8 = 60 | 47 - 7 = 40 | 18 - 8 = 10 | 87 - 7 = 80 |
| 50 + 1 = 51 | 50 + 1 = 51 | 20 + 9 = 29 | 40 + 1 = 41 |
| 33 - 3 = 30 | 70 + 6 = 76 | 70 + 9 = 79 | 20 + 2 = 22 |
| 87 - 7 = 80 | 41 - 1 = 40 | 40 + 9 = 49 | 66 - 6 = 60 |
| 12 - 2 = 10 | 93 - 3 = 90 | 20 + 5 = 25 | 39 - 9 = 30 |
| 99 - 9 = 90 | 55 - 5 = 50 | 50 + 9 = 59 | 93 - 3 = 90 |
| 80 + 5 = 85 | 40 + 2 = 42 | 10 + 6 = 16 | 60 + 1 = 61 |
| 72 - 2 = 70 | 22 - 2 = 20 | 10 + 7 = 17 | 50 + 6 = 56 |