Nhân số có bốn chữ số với số có một chữ số
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</div><p></p> <p style="text-align: center;"><strong>4 213 x 2 = ?</strong></p> <p style="text-align: center;"><img src="/uploads/tinymce/b10-h2-1667026164.jpg.webp" width="124" height="114" alt="hinh-anh-nhan-so-co-bon-chu-so-voi-so-co-mot-chu-so-1974-1" title="hinh-anh-nhan-so-co-bon-chu-so-voi-so-co-mot-chu-so-1974-1" loading="lazy"></p> <p style="text-align: center;"><strong>4 213 x 2 = 8 426</strong></p> <ul> <li>2 nhân 3 bằng 6, viết 6.</li> <li>2 nhân 1 bằng 2, viết 2.</li> <li>2 nhân 2 bằng 4, viết 4.</li> <li>2 nhân 4 bằng 8, viết 8.</li> </ul> <p style="text-align: center;"><strong>1 524 x 3 = ?</strong></p> <p style="text-align: center;"><img src="/uploads/tinymce/b10-h3-1667026337.jpg.webp" width="126" height="113" alt="hinh-anh-nhan-so-co-bon-chu-so-voi-so-co-mot-chu-so-1974-2" title="hinh-anh-nhan-so-co-bon-chu-so-voi-so-co-mot-chu-so-1974-2" loading="lazy"></p> <p style="text-align: center;"><strong>1 524 x 3 = 4 572</strong></p> <ul> <li>3 nhân 4 bằng 12, viết 2, <strong>nhớ 1</strong>.</li> <li>3 nhân 2 bằng 6, <strong>thêm 1</strong> bằng 7, viết 7.</li> <li>3 nhân 5 bằng 15, viết 5, <strong>nhớ 1</strong>.</li> <li>3 nhân 1 bằng 3,<strong> thêm 1</strong> bằng 4, viết 4.</li> </ul> <h3 id="1-dat-tiacutenh-roi-tiacutenh">1. Đặt tính rồi tính.</h3> <p>1 221 x 4&nbsp; &nbsp;;&nbsp; &nbsp;1 105 x 9</p> <p>2 000 x 5&nbsp; &nbsp;;&nbsp; &nbsp;1 060 x 6</p> <p>810 x 8&nbsp; &nbsp;;&nbsp; &nbsp;2 618 x 2</p> <h3 id="bagravei-tap-1-tiacutenh-nham">Bài tập 1: Tính nhẩm.</h3> <p>a) 50 x 2&nbsp; ;&nbsp; 500 x 2&nbsp; ;&nbsp; 5 000 x 2</p> <p>b) 20 x 4&nbsp; ;&nbsp; 200 x 4&nbsp; ;&nbsp; 2 000 x 4</p> <h3 id="bagravei-tap-2-so">Bài tập 2: Số ?</h3> <p>1 020 x 8 = .?.</p> <p>1 703 x 5 = .?.</p> <p>.?. : 5 = 610</p> <p>.?. : 7 = 1 402</p> <h3 id="bagravei-tap-3-gt-lt">Bài tập 3: &gt;, &lt;, =</h3> <p>a) 1080 x 9 .?. 1020 x 9</p> <p>b) 2 x 1000 x 5 .?. 1000 x 2 x 5</p> <p>c) 2400 x 2 .?. (200 + 4000) x 2</p> <h3 id="bagravei-tap-4-tigravem-giaacute-tri-thiacutech-hop-cua-moi-bieu-thuc">Bài tập 4: Tìm giá trị thích hợp của mỗi biểu thức.</h3> <p>a) 800 x 4 + 1800&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;9000</p> <p>b) 2700 x 3 - 5100&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 3000</p> <p>c) (1200 + 300) x 6&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;2000</p> <p>d) 10 000 - 1600 x 5&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;5000</p> <h3 id="bagravei-tap-5nbsp">Bài tập 5:&nbsp;</h3> <p>Trong kho có 10 000 kg gạo. Người ta dùng 6 xe để chuyển gạo trong kho đến các cửa hàng. Biết mỗi xe chở 1 500 kg gạo. Hỏi trong kho còn lại bao nhiêu ki-lô-gam gạo?</p> <h3 id="bagravei-tap-6">Bài tập 6:</h3> <p>Hôm qua bạn Nam đã uống 1&nbsp;<em>l&nbsp;</em>nước và 2 chai nước, mỗi chai 500 m<em>l.&nbsp;</em>Hỏi hôm qua bạn Nam đã uống bao nhiêu lít nước?</p> <p><strong>Vui học</strong></p> <p>Chỉ đường cho bạn Gấu đi theo các phép tính có kết quả lớn hơn 1000 để tìm được mật ong.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b10-h4-1667027363.jpg.webp" width="446" height="251" alt="hinh-anh-nhan-so-co-bon-chu-so-voi-so-co-mot-chu-so-1974-3" title="hinh-anh-nhan-so-co-bon-chu-so-voi-so-co-mot-chu-so-1974-3" loading="lazy"></p>