So sánh số lớn gấp mấy lần số bé
<p>• Quan sát hai băng giấy.<br>Băng giấy màu xanh dài gấp mấy lần băng giấy màu cam?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b50-h2-1666537169.jpg.webp" width="565" height="144" alt="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-0" title="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <p>• Dùng thước thẳng kiểm tra xem câu trả lời của em có đúng không.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b50-h1-1666537302.jpg.webp" width="548" height="150" alt="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-1" title="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-1" loading="lazy"></p> <p style="text-align: center;"><strong>10 : 2 = 5</strong></p> <p style="text-align: center;">Băng giấy màu xanh dài <em>gấp 5 lần</em> băng giấy màu cam.</p> <h3 id="1-so-cham-trograven-magraveu-do-gap-may-lan-so-cham-trograven-magraveu-xanh">1. Số chấm tròn màu đỏ gấp mấy lần số chấm tròn màu xanh?</h3> <p>a)&nbsp;</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b50-h3-1666537449.jpg.webp" width="125" height="65" alt="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-2" title="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-2" loading="lazy"></p> <p>b)</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b50-h4-1666537463.jpg.webp" width="132" height="67" alt="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-3" title="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-3" loading="lazy"></p> <p>c)&nbsp;</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b50-h5-1666537488.jpg.webp" width="133" height="66" alt="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-4" title="hinh-anh-so-sanh-so-lon-gap-may-lan-so-be-1877-4" loading="lazy"></p> <h3 id="bagravei-tap-1-so-lon-gap-may-lan-so-beacute">Bài tập 1: Số lớn gấp mấy lần số bé?</h3> <p>a) Số lớn: 24 giờ</p> <p>Số bé: 8 giờ</p> <p>b) Số lớn: 40 kg</p> <p>Số bé: 8 kg</p> <p>c) Số lớn: 72 cm</p> <p>Số bé: 9 cm</p> <h3 id="bagravei-tap-2nbsp">Bài tập 2:&nbsp;</h3> <p><strong>Giải bài toán theo tóm tắt sau.</strong></p> <p style="text-align: center;">Tóm tắt</p> <p style="text-align: center;">Mẹ: 36 tuổi</p> <p style="text-align: center;">Con: 9 tuổi</p> <p style="text-align: center;">Tuổi mẹ gấp mấy lần tuổi con?</p>