第2单元 万以内的加法和减法(一)-【优佳好】2023-2024学年三年级上册数学口算计算能力提升（人教版）

单元 2 　 第 1 课时　 两位数加两位数的口算 3 年级 上 R 43 + 12 = 64 + 25 = 33 + 16 = 17 + 18 = 22 + 57 = 63 + 28 = 35 + 13 = 24 + 32 = 33 + 41 = 20 + 38 = 41 + 16 = 18 + 12 = 36 + 13 = 18 + 20 = 24 + 19 = 32 + 46 = 15 + 27 = 35 + 18 = 42 + 22 = 23 + 22 = 54 + 27 = 38 + 26 = 19 + 37 = 63 + 18 = 50 + 48 = 37 + 42 = 53 + 27 = 42 + 18 = 38 + 22 = 63 + 19 = 42 + 29 = 35 + 35 = 62 + 34 = 72 + 19 = 52 + 37 = 18 + 26 = 32 + 45 = 71 + 23 = 39 + 42 = 57 + 26 = 35 + 65 = 43 + 35 = 28 + 36 = 44 + 28 = 36 + 36 = 64 + 29 = 5 单元 2 　 第 2 课时　 两位数减两位数的口算 3 年级 上 R 38 - 19 = 40 - 27 = 47 - 32 = 36 - 29 = 53 - 24 = 73 - 42 = 51 - 18 = 64 - 25 = 48 - 26 = 73 - 14 = 76 - 27 = 32 - 25 = 53 - 18 = 60 - 22 = 45 - 32 = 57 - 17 = 83 - 23 = 36 - 18 = 49 - 32 = 63 - 29 = 30 - 22 = 45 - 17 = 54 - 46 = 82 - 39 = 84 - 48 = 90 - 67 = 43 - 25 = 81 - 47 = 75 - 37 = 93 - 75 = 80 - 55 = 42 - 27 = 77 - 36 = 52 - 47 = 63 - 38 = 81 - 56 = 29 - 18 = 57 - 39 = 53 - 38 = 71 - 56 = 37 + 18 = 　 　 　 　 　 　 　 　 　 75 - 39 = 　 　 　 　 　 　 　 　 　 100 - 64 = 59 ÷ 7 = 38 ÷ 9 = 28 ÷ 4 = 6 单元 2 　 第 3 课时　 练习课 3 年级 上 R 45 + 26 = 75 - 25 = 67 - 46 = 95 - 48 = 68 + 13 = 37 + 49 = 90 - 45 = 25 + 35 = 70 - 56 = 83 - 49 = 37 - 22 = 70 - 40 = 29 + 15 = 22 + 56 = 51 - 18 = 42 + 52 = 72 - 36 = 24 + 53 = 29 + 48 = 51 + 17 = 15 + 64 = 63 - 27 = 53 + 46 = 47 - 38 = 84 - 59 = 53 - 28 = 48 + 24 = 80 - 44 = 15 + 38 = 69 - 48 = 82 - 49 = 18 + 32 = 60 - 29 = 29 - 15 = 63 - 43 = 81 - 27 = 73 - 18 = 94 - 57 = 66 - 39 = 75 - 36 = 33 + 57 = 　 　 　 　 　 　 　 　 　 62 - 48 = 　 　 　 　 　 　 　 　 　 53 - 26 = 73 - 26 + 18 = 29 + (73 - 54) = 66 - (19 + 28) = 7 单元 2 　 第 4 课时　 笔算几百几十加、减几百几十 3 年级 上 R 230 + 140 = 530 - 210 = 170 + 360 = 290 - 140 = 350 + 260 = 740 - 180 = 540 - 240 = 820 + 120 = 940 - 350 = 690 - 370 = 540 - 240 = 430 + 270 = 460 + 420 = 410 - 300 = 570 - 340 = 480 - 120 = 260 + 480 = 940 - 660 = 380 + 120 = 240 + 630 = 320 + 480 = 540 - 270 = 160 + 360 = 450 + 540 = 720 - 270 = 910 - 190 = 860 - 680 = 340 + 430 = 260 + 180 = 370 + 250 = 930 - 570 = 490 - 270 = 560