So sánh các số có năm chữ số
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</div><p></p> <p>•&nbsp;<strong>So sánh 2 743 và 10 520</strong></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b25-h2-1667112984.jpg.webp" width="569" height="165" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-1" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-1" loading="lazy"></p> <p>•&nbsp;<strong>So sánh 13 359 và 12 897</strong></p> <p><strong><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b25-h3-1667113097.jpg.webp" width="532" height="245" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-2" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-2" loading="lazy"></strong></p> <h3 id="1-gt-lt">1. &gt;, &lt;, =</h3> <p>a) 3 792 .?. 10 000&nbsp; ;&nbsp; 215 .?. 1 000</p> <p>b) 96 321 .?. 95 132&nbsp; ;&nbsp; 59 901 .?. 59 703</p> <p>c) 74 280 .?. 74 288&nbsp; ;&nbsp; 20 306 .?. 20 000 + 300 + 6</p> <p>d) 68 015 .?. 70 000&nbsp; ;&nbsp; 40 070 .?. 40 000 + 100</p> <h3 id="2">2.</h3> <p><strong>Cho bốn số: 75 638; 73 856; 76 385; 78 635.</strong></p> <p>a) Sắp xếp các số trên theo thứ tự từ lớn đến bé.</p> <p>b) Tìm vị trí của mỗi số đã cho trên tia số.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b25-h4-1667114732.jpg.webp" width="379" height="64" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-3" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-3" loading="lazy"></p> <h3 id="bagravei-tap-1-thay-chu-so-thiacutech-hop-vagraveo-span-style-background-color-fbeeb8span">Bài tập 1: Thay chữ số thích hợp vào <span style="background-color: #fbeeb8;">?</span>.</h3> <p>a) 78 659 &lt; 7&nbsp;<span style="background-color: #fbeeb8;">?</span> 825</p> <p>b) 27 184 &gt; 27&nbsp;<span style="background-color: #fbeeb8;">?</span> 93&nbsp;&nbsp;</p> <h3 id="bagravei-tap-2-cacircu-nagraveo-duacuteng-cacircu-nagraveo-sai">Bài tập 2: Câu nào đúng, câu nào sai?</h3> <p>a) An cao 124 cm, Bình cao 1 m 24 cm. Hai bạn cao bằng nhau.</p> <p>b) Sáng nay Hùng đã uống được 750 m<em>l</em> nước, Cường đã uống được hơn 1&nbsp;<em>l&nbsp;</em>nước. Hùng đã uống được ít nước hơn Cường.</p> <p>c) Bao đậu xanh cân nặng 20 kg 500 g, bao gạo cân nặng 25 kg. Bao đậu xanh cân nặng hơn bao gạo.</p> <h3 id="bagravei-tap-3-lagravem-trograven-so-den-hagraveng-chuc-nghigraven">Bài tập 3: Làm tròn số đến hàng chục nghìn.</h3> <p>Ví dụ:</p> <p>3<span style="background-color: #fbeeb8;">0</span> 715, 3<span style="background-color: #fbeeb8;">1</span> 528, 3<span style="background-color: #fbeeb8;">2</span> 605, 3<span style="background-color: #fbeeb8;">3</span> 901, 3<span style="background-color: #fbeeb8;">4</span> 285</p> <p>3<span style="background-color: #fbeeb8;">5</span> 202, 3<span style="background-color: #fbeeb8;">6</span> 119, 3<span style="background-color: #fbeeb8;">7</span> 453, 3<span style="background-color: #fbeeb8;">8</span> 109, 3<span style="background-color: #fbeeb8;">9</span> 505</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b25-h5-1667115835.jpg.webp" width="345" height="74" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-4" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-4" loading="lazy"></p> <p>a) Làm tròn số 94 162 đến hàng chục nghìn thì được số .?.</p> <p>b) Làm tròn số 69 801 đến hàng chục nghìn thì được số .?.</p> <p>c) Làm tròn số 26 034 đến hàng chục nghìn thì được số .?.</p> <p><strong>Thử thách</strong></p> <p><strong>Thay <img src="/uploads/tinymce/b25-1667116340.jpg.webp" width="21" height="21" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-5" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-5" loading="lazy"></strong></p><div><strong> <div class="ads-horizontal-wrapped">
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</strong></div><strong> bằng số thích hợp.</strong><p></p> <p>a) 78 309 = 70 000 + 8 000 +&nbsp;<strong><img src="/uploads/tinymce/b25-1667116340.jpg.webp" width="21" height="21" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-6" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-6" loading="lazy">&nbsp;</strong>+ 9</p> <p>b) 18 300 = 10 000 + <strong><img src="/uploads/tinymce/b25-1667116340.jpg.webp" width="21" height="21" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-7" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-7" loading="lazy">&nbsp;</strong>+ 300</p> <p>c) 90 000 + 8 000 +&nbsp;<strong><img src="/uploads/tinymce/b25-1667116340.jpg.webp" width="21" height="21" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-8" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-8" loading="lazy">&nbsp;</strong>= 98 020</p> <p>d) 40 000 +&nbsp;<strong><img src="/uploads/tinymce/b25-1667116340.jpg.webp" width="21" height="21" alt="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-9" title="hinh-anh-so-sanh-cac-so-co-nam-chu-so-2015-9" loading="lazy">&nbsp;</strong>+ 60 = 45 060</p>