Bài giảng môn Toán học Lớp 4 - Tuần 15 - Năm học: 2021-2022 - Trường Tiểu học Lê Thánh Tông

Nội dung tài liệu: Bài giảng môn Toán học Lớp 4 - Tuần 15 - Năm học: 2021-2022 - Trường Tiểu học Lê Thánh Tông

1. 18510 : 15 42546 : 37 ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... .................................................................................................................................. 8750 : 35 23520 : 56 ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... 2996 : 28 2420 : 12 ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... Bài 2: Tìm X: a) X x 34 = 714 b) 846 : X = 18 ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... c) 75 x X = 1800 b) 1855 : X = 35 ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ...........................................................................................................................................
2. ĐÁP ÁN TOÁN TUẦN 15 Bài 1: 288 24 740 45 24 12 45 16 48 290 48 270 0 20 469 6 7 397 56 469 7 392 7 0 5 4674 82 2488 35 410 57 245 71 574 38 574 35 0 3 5781 47 9146 72 47 123 72 127 108 194 94 144 141 506 141 504 0 2 23576 56 31628 48 117 421 82 658 56 428 0 44 18510 15 42546 37 35 1234 55 1149 51 184 60 366 0 33 8750 35 23520 56 175 250 112 420 000 000 0
3. 2996 28 2420 12 196 107 020 201 0 8 Bài 2: Tìm X: a) X x 34 = 714 b) 846 : X = 18 X = 714 : 34 X = 846 : 18 X = 21 X = 47 c) 75 x X = 1800 d) 1855 : X = 35 X = 1800: 75 X = 1855 : 35 X = 24 X = 53