第1单元 大数的认识-【优佳好】2023-2024学年四年级上册数学口算计算能力提升（人教版）

单元 1 　 第 1 课时　 亿以内数的认识 4 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　48 + 37 = 18 × 30 = 25 × 40 = 126 - 74 = 60 - 45 = 100 × 14 = 10 × 50 = 125 × 8 = 72 × 8 = 56 × 4 = 124 × 5 = 408 × 9 = 360 + 96 = 150 × 6 = 450 + 78 = 520 - 137 = 21 × 50 = 680 - 490 = 165 × 4 = 204 × 7 = 560 ÷ 4 = 32 × 3 = 204 × 2 = 10 × 15 = 45 × 20 = 750 - 150 = 480 + 280 = 25 × 6 = 106 ÷ 2 = 78 ÷ 6 = 144 ÷ 2 = 20 × 12 = 1 6 + 5 6 = 4 11 + 2 11 = 3 9 - 1 9 = 4 9 + 5 9 = 7 9 - 2 9 = 1 - 3 8 = 3 8 + 4 8 = 5 7 - 2 7 = 48 × 36 = 　 　 　 　 　 　 　 　 　 224 ÷ 4 = 　 　 　 　 　 　 　 　 　 256 ÷ 7 = 62 × 25 = 423 ÷ 5 = 49 × 11 = 1 单元 1 　 第 2 课时　 亿以内数的读法和写法 4 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　10 × 100 = 260 + 490 = 232 - 85 = 840 ÷ 7 = 33 × 30 = 12 × 80 = 358 - 195 = 5000 + 400 = 90 × 70 = 300 × 60 = 80 × 90 = 160 × 7 = 287 ÷ 7 = 66 ÷ 2 = 48 ÷ 4 = 360 ÷ 9 = 140 × 3 = 50 × 90 = 420 ÷ 6 = 372 ÷ 3 = 868 ÷ 2 = 85 × 2 = 60 × 40 = 18 × 30 = 10 - 0. 6 = 540 ÷ 6 = 960 ÷ 6 = 700 × 3 = 3600 ÷ 6 = 21 × 5 = 630 ÷ 9 = 360 ÷ 4 = 3 + 1. 6 = 370 - 190 = 402 + 208 = 130 × 5 = 621 ÷ 9 = 108 ÷ 9 = 37 × 3 = 20 × 30 = 35 × 14 = 　 　 　 　 　 　 　 　 48 × 26 = 　 　 　 　 　 　 　 　 288 ÷ 4 = 468 ÷ 6 = 23. 8 + 12. 7 = 21. 7 - 13. 9 = 2 单元 1 　 第 3 课时　 练习课 4 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　490 ÷ 7 = 20 × 15 = 18 + 30 = 60 × 50 = 800 ÷ 5 = 168 ÷ 4 = 3. 8 + 1. 2 = 16. 9 - 1. 4 = 124 ÷ 4 = 339 ÷ 3 = 400 × 0 = 3000 ÷ 6 = 1. 8 - 0. 7 = 405 ÷ 5 = 408 ÷ 2 = 25 × 4 = 1. 5 + 2. 5 = 130 × 5 = 18 × 20 = 110 + 19 = 360 ÷ 6 = 6. 9 - 2. 4 = 3 + 5. 2 = 40 × 27 = 160 × 5 = 720 ÷ 9 = 12. 4 + 6. 7 = 0 ÷ 95 = 640 ÷ 2 = 0. 4 + 0. 5 = 22 × 30 = 48 × 50 = 2. 2 + 1. 1 = 4. 5 + 2. 4 = 270 ÷ 3 = 280 ÷ 4 = 9. 8 - 0. 3 = 930 ÷ 3 = 8. 6 - 4. 6 = 500 × 80 = 35 × 58 = 　 　 　 　 　 　 　 　 852 ÷ 8 = 　 　 　 　 　 　 　 　 3. 7 + 5. 8 = 14 × 80 × 2 288 ÷ 2 ÷ 9 296 ÷ (2 × 2) 3 单元 1 　 第 4 课时　 亿以内数的大小比较 4 年级 上 R 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　 　728 ÷ 8 = 17 × 50 = 248 ÷ 4 = 162 ÷ 3 = 49 × 20 = 950 - 470 = 68