第六单元 长方形和正方形的面积-【优佳好】2023-2024学年三年级下册数学口算计算能力提升（苏教版）

单元六 　 第 1 课时　 认识面积 3 年级 下 S 360 ÷ 9 = 490 ÷ 7 = 19 × 40 = 58 × 10 = 20 × 43 = 804 ÷ 4 = 630 ÷ 7 = 240 ÷ 2 = 15 × 40 = 814 - 214 = 500 ÷ 5 = 350 ÷ 5 = 18 × 20 = 22 × 40 = 160 × 5 = 255 ÷ 5 = 20 × 54 = 960 ÷ 6 = 507 × 7 = 366 ÷ 6 = 40 × 30 = 720 ÷ 8 = 40 × 90 = 52 × 30 = 300 × 2 = 720 ÷ 6 = 40 × 25 = 848 ÷ 4 = 27 × 12 = 330 ÷ 5 = 600 ÷ 3 = 600 × 6 = 70 × 80 = 20 × 63 = 12 × 80 = 200 ÷ 5 = 40 × 32 = 186 ÷ 6 = 540 ÷ 9 = 728 ÷ 8 = 31 × 27 = 　 　 　 　 　 　 　 　 　 42 × 56 = 　 　 　 　 　 　 　 　 　 66 × 72 = 342 ÷ 2 + 56 17 × 53 - 218 (743 - 218) ÷ 5 83 单元六 　 第 2 课时　 面积单位 3 年级 下 S 350 ÷ 5 = 42 × 30 = 21 × 30 = 14 × 40 = 180 ÷ 6 = 17 × 30 = 50 × 18 = 45 × 20 = 900 ÷ 3 = 147 ÷ 7 = 270 ÷ 3 = 999 ÷ 9 = 300 ÷ 5 = 480 ÷ 6 = 19 × 4 = 160 × 5 = 640 ÷ 4 = 300 × 6 = 15 × 40 = 61 × 30 = 217 ÷ 7 = 7 × 300 = 270 ÷ 9 = 210 × 5 = 46 ÷ 2 = 50 × 17 = 40 × 80 = 180 × 5 = 147 + 353 = 208 × 5 = 38 ÷ 2 = 560 ÷ 8 = 15 × 60 = 42 × 40 = 20 × 80 = 350 ÷ 7 = 240 ÷ 2 = 25 × 60 = 34 × 30 = 480 ÷ 3 = 27 × 36 = 　 　 　 　 　 　 　 　 　 19 × 52 = 　 　 　 　 　 　 　 　 　 38 × 46 = 875 ÷ 5 - 36 (214 + 157) × 3 483 - (112 + 148) 93 单元六 　 第 3 课时　 练习八 3 年级 下 S 32 × 30 = 45 × 20 = 75 × 10 = 21 × 40 = 18 × 30 = 42 × 10 = 270 ÷ 9 = 600 × 5 = 70 × 15 = 840 ÷ 4 = 84 ÷ 2 = 480 ÷ 6 = 48 × 20 = 14 × 30 = 25 × 40 = 35 × 20 = 13 × 30 = 14 × 60 = 24 × 30 = 75 × 20 = 75 ÷ 3 = 22 × 30 = 130 × 3 = 780 ÷ 6 = 125 ÷ 5 = 420 ÷ 6 = 12 × 40 = 320 ÷ 2 = 480 ÷ 4 = 62 × 40 = 606 × 3 = 125 × 4 = 22 × 40 = 16 × 50 = 32 × 40 = 300 × 3 = 80 × 70 = 510 ÷ 5 = 310 × 3 = 850 ÷ 5 = 570 ÷ 3 = 　 　 　 　 　 　 　 　 　 43 × 56 = 　 　 　 　 　 　 　 　 　 29 × 73 = 21 × 15 ÷ 7 650 - 27 × 21 54 × 15 - 300 04 单元六 　 第 4 课时　 长方形和正方形的面积(1) 3 年级 下 S 8 × 20 = 14 × 30 = 38 × 10 = 33 × 30 = 13 × 70 = 160 ÷ 2 = 34 × 40 = 210 × 7 = 850 ÷ 5 = 75 × 20 = 200 × 9 = 140 × 3 = 16 × 20 = 230 × 2 = 25 × 40 = 80 ÷ 8 = 53 × 20 = 360 ÷ 4 = 24 × 40 = 640 - 280 = 240 × 3 = 4 × 300 = 40 × 20 = 80 × 40 = 120 × 8 = 160 ÷ 8 = 350 × 2 = 180 ÷ 9 = 537 + 223 = 509 × 6 = 20 × 35 = 15 × 30 = 44 × 40 = 120 × 7