第5单元 厘米和米-【优佳好】2023-2024学年二年级上册数学口算计算能力提升（苏教版）

单元五 　 第 1 课时　 认识线段 2 年级 上 SJ 6 × 5 = 66 - 20 = 14 + 20 = 83 - 31 = 17 + 20 = 24 ÷ 6 = 98 - 19 = 4 × 6 = 17 + 3 = 13 - 7 = 28 + 5 = 2 × 3 = 27 - 26 = 19 + 9 = 47 - 10 = 15 ÷ 3 = 26 + 5 = 71 - 6 = 34 + 8 = 4 × 5 = 50 - 17 = 18 + 4 = 25 - 7 = 20 ÷ 5 = 3 × 3 = 16 ÷ 4 = 3 × 5 = 6 × 2 = 20 ÷ 4 = 6 × 6 = 30 ÷ 5 = 18 ÷ 6 = 1 × 2 = 8 ÷ 4 = 4 × 3 = 5 × 2 = 12 ÷ 3 = 3 × 6 = 25 ÷ 5 = 24 ÷ 4 = 49 + 17 - 38 = 57 - 37 - 12 = 14 + 28 + 15 = 22 + 32 + 16 = 53 - 18 + 26 = 70 - 45 - 21 = 14 单元五 　 第 2 课时　 认识厘米 2 年级 上 SJ 17 + 11 = 24 ÷ 4 = 20 ÷ 5 = 75 - 21 = 12 ÷ 4 = 63 - 12 = 14 + 7 = 45 - 3 = 35 + 15 = 36 - 20 = 13 + 8 = 5 × 4 = 51 - 41 = 22 + 9 = 37 - 7 = 20 ÷ 4 = 62 + 3 = 54 - 30 = 65 + 9 = 6 × 4 = 36 - 16 = 12 + 40 = 66 - 50 = 15 ÷ 3 = 3 × 4 = 18 ÷ 6 = 2 × 2 = 9 ÷ 3 = 5 ÷ 1 = 4 × 2 = 25 ÷ 5 = 5 × 6 = 1 × 4 = 16 ÷ 4 = 6 × 2 = 12 ÷ 6 = 30 ÷ 5 = 6 × 6 = 12 ÷ 3 = 18 ÷ 3 = 41 - 17 + 24 = 28 + 13 - 15 = 19 + 14 + 21 = 52 - 17 - 20 = 37 + 28 - 14 = 45 + 20 - 38 = 24 单元五 　 第 3 课时　 认识米 2 年级 上 SJ 28 + 31 = 2 × 6 = 22 - 18 = 34 - 25 = 25 ÷ 5 = 26 + 5 = 18 ÷ 3 = 18 + 7 = 24 + 3 = 45 - 9 = 26 + 8 = 8 ÷ 4 = 57 - 27 = 31 + 6 = 72 - 10 = 5 × 5 = 25 + 7 = 56 - 50 = 18 + 3 = 30 ÷ 5 = 44 - 24 = 71 + 6 = 85 - 25 = 15 ÷ 3 = 3 × 2 = 5 ÷ 5 = 4 × 3 = 4 × 6 = 18 ÷ 6 = 2 × 5 = 24 ÷ 4 = 20 ÷ 4 = 4 × 4 = 36 ÷ 6 = 2 × 1 = 12 ÷ 3 = 12 ÷ 2 = 2 × 2 = 30 ÷ 6 = 5 × 6 = 18 + 53 - 62 = 37 + 29 - 18 = 26 - 19 + 31 = 24 + 36 - 48 = 70 - 65 + 49 = 29 + 47 - 38 = 34 单元五 　 第 4 课时　 练习十 2 年级 上 SJ 41 + 9 = 52 - 30 = 16 + 14 = 5 × 3 = 28 - 8 = 34 + 26 = 87 - 40 = 20 ÷ 4 = 29 + 3 = 12 - 11 = 24 + 9 = 25 ÷ 5 = 55 - 35 = 17 + 3 = 31 - 10 = 3 × 6 = 5 × 5 = 36 ÷ 6 = 4 × 2 = 3 × 4 = 6 ÷ 3 = 2 × 5 = 15 ÷ 3 = 12 ÷ 6 = 4 × 6 = 18 ÷ 6 = 3 × 3 = 8 ÷ 4 = 16 ÷ 4 = 2 × 2 = 12 ÷ 4 = 6 × 6 = 4 × 4 + 4 = 6 × 6 - 6 = 2 × 6 - 8 = 4 × 2 + 9 = 2 × 5 - 3 = 3 × 2 + 8 = 5 × 3 - 2 = 4 × 5 + 4 = 47 + 48 - 52 = 36 + 17 + 28 = 90 - 52 + 28 = 23 + 58 - 42 = 85 - 42 - 38 = 32 + 56 - 31 = 44 2年级上SJ 参考答案 口快了 结束时间 时 分-开始时间 时 分=做题时间 分 比上次口慢7 分 20I295 63646 经