第7单元 长方形和正方形-【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 7 　 第 1 课时　 四边形 3 年级 上 R 12 × 3 = 400 × 5 = 120 × 4 = 611 × 3 = 240 + 130 = 370 - 150 = 800 - 236 = 450 × 2 = 143 × 3 = 507 × 6 = 45 ÷ 5 = 60 × 8 = 200 × 3 = 480 - 120 = 13 × 7 = 240 + 160 = 25 × 3 = 6 × 500 = 28 × 4 = 140 × 5 = 320 + 160 = 400 - 230 = 64 ÷ 8 = 540 × 3 = 308 × 7 = 428 - 128 = 532 × 2 = 217 × 3 = 450 × 4 = 214 × 5 = 526 + 138 = 475 - 138 = 140 + 235 = 315 + 216 = 230 × 3 = 325 × 4 = 408 × 5 = 527 + 143 = 800 - 246 = 523 × 3 = 580 × 6 = 642 × 3 = 825 × 7 = 327 + 136 = 400 - 275 = 523 + 189 = 15 单元 7 　 第 2 课时　 认识周长 3 年级 上 R 40 × 6 = 200 × 3 = 18 × 4 = 60 × 9 = 712 - 300 = 225 + 175 = 436 - 136 = 810 × 3 = 403 × 5 = 271 + 99 = 25 × 3 = 45 ÷ 9 = 420 - 130 = 560 + 270 = 329 - 129 = 8 × 125 = 5 × 420 = 157 + 43 = 82 × 5 = 603 × 7 = 725 × 3 = 213 × 4 = 509 × 7 = 160 × 6 = 525 × 4 = 325 × 4 = 485 - 185 = 430 + 275 = 30 × 6 = 27 × 4 = 72 ÷ 8 = 532 - 218 = 413 × 3 = 325 × 2 = 540 × 3 = 600 - 217 = 408 + 213 = 124 × 3 = 810 × 6 = 530 × 4 = 325 + 527 = 640 - 275 = 823 × 6 = 514 × 7 = 329 - 184 = 523 × 7 = 25 单元 7 　 第 3 课时　 练习课 3 年级 上 R 300 × 5 = 240 + 180 = 300 - 150 = 411 × 4 = 223 × 3 = 150 + 214 = 500 - 480 = 617 - 217 = 840 - 190 = 315 × 4 = 15 × 4 = 20 × 5 = 300 × 6 = 105 × 4 = 27 + 48 = 305 + 127 = 240 - 130 = 350 + 270 = 430 - 180 = 450 × 3 = 213 × 4 = 325 × 4 = 108 × 7 = 540 × 3 = 480 × 2 = 270 + 130 = 536 - 200 = 217 × 3 = 356 + 44 = 475 - 125 = 432 + 170 = 236 - 148 = 578 - 316 = 420 × 3 = 408 × 9 = 225 × 3 = 320 + 148 = 573 - 236 = 648 + 122 = 415 × 4 = 590 × 8 = 642 × 3 = 872 × 6 = 437 + 246 = 803 - 275 = 514 + 278 = 35 单元 7 　 第 4 课时　 长方形和正方形的周长 3 年级 上 R 2 × 8 = 224 + 136 = 205 × 3 = 327 - 127 = 135 × 4 = 408 + 222 = 720 - 360 = 30 × 5 = 900 × 7 = 324 × 2 = 432 - 200 = 470 - 250 = 327 × 2 = 430 × 3 = 140 + 60 = 250 - 90 = 63 ÷ 7 = 510 + 340 = 690 - 350 = 450 × 2 = 290 × 6 = 700 × 3 = 140 × 5 = 400 - 180 = 570 + 290 = 507 × 6 = 536 - 418 = 354 + 146 = 732 - 258 = 348 × 5 = 273 × 4 = 352 + 486 = 914 - 758 = 480 × 7 = (302 + 125) × 7 246 × 4 - 724 8