Tia số. Số liền trước- Số liền sau
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</div><p></p> <h3 id="1nbsp">1.&nbsp;</h3> <p>a) Xếp các thẻ số vào vị trí thích hợp dưới mỗi vạch của tia số:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200053-1664370059.png.webp" width="540" height="168" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-1" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-1" loading="lazy"></p> <p>b) Trả lời các câu hỏi:</p> <p>- Số liền trước của số 5 là số nào?<br>- Số liền sau của số 9 là số nào?</p> <h3 id="2nbsp">2.&nbsp;</h3> <p>a) Số?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200225-1664370151.png.webp" width="581" height="119" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-2" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-2" loading="lazy"></p> <p>b) Trả lời câu hỏi:</p> <p>- Số liền trước của số 16 là số nào?</p> <p>- Số liền sau của số 85 là số nào?</p> <h3 id="3-so">3. Số?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200355-1664370242.png.webp" width="569" height="218" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-3" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-3" loading="lazy"></p> <h3 id="4-chon-dau-gtlt-thiacutech-hop">4. Chọn dấu (&gt;,&lt;) thích hợp:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200500-1664370308.png.webp" width="626" height="235" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-4" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-4" loading="lazy"></p> <p>88 <img src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200619-1664370385.png.webp" width="26" height="26" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-5" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div> 91<p></p> <p>92<img src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200619-1664370415.png.webp" width="24" height="23" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-6" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-6" loading="lazy">90</p> <p>98<img src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200619-1664370430.png.webp" width="26" height="26" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-7" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-7" loading="lazy">89</p> <p>95<img src="/uploads/tinymce/anh-chup-man-hinh-2022-09-28-200619-1664370441.png.webp" width="23" height="22" alt="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-8" title="hinh-anh-tia-so-so-lien-truoc-so-lien-sau-948-8" loading="lazy">100</p> <h3 id="5-sap-xep-caacutec-so">5. Sắp xếp các số:</h3> <p>23; 47; 30; 69</p> <p>a) Theo thứ tự từ bé đến lớn.<br>b) Theo thứ tự từ lớn đến bé.</p> <p>&nbsp;</p>