Bài 24: Luyện Tập Chung
<h3 id="luyen-tap">Luyện tập</h3> <h4>1. Số?</h4> <p>a)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/241-1662091980.png.webp" width="214" height="76" alt="hinh-anh-bai-24-luyen-tap-chung-331-0" title="hinh-anh-bai-24-luyen-tap-chung-331-0" 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>32 gồm 3 chục và 2 đơn vị.</p> <p>b)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/242-1662091996.png.webp" width="303" height="85" alt="hinh-anh-bai-24-luyen-tap-chung-331-1" title="hinh-anh-bai-24-luyen-tap-chung-331-1" loading="lazy"></p> <p>... gồm ... chục và ... đơn vị.</p> <p>c)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/243-1662092015.png.webp" width="355" height="85" alt="hinh-anh-bai-24-luyen-tap-chung-331-2" title="hinh-anh-bai-24-luyen-tap-chung-331-2" loading="lazy"></p> <p>... gồm ... chục và ... đơn vị.</p> <h4>2. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/244-1662092040.png.webp" width="706" height="202" alt="hinh-anh-bai-24-luyen-tap-chung-331-3" title="hinh-anh-bai-24-luyen-tap-chung-331-3" loading="lazy"></p> <h4>3. Tìm số thích hợp với mỗi ngôi sao.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/245-1662092060.png.webp" width="712" height="203" alt="hinh-anh-bai-24-luyen-tap-chung-331-4" title="hinh-anh-bai-24-luyen-tap-chung-331-4" loading="lazy"></p> <h4>4. Em hãy giúp Việt tìm số thích hợp cho mỗi mảnh ghép (theo mẫu).</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/251-1662092088.png.webp" width="706" height="256" alt="hinh-anh-bai-24-luyen-tap-chung-331-5" title="hinh-anh-bai-24-luyen-tap-chung-331-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <h4>5.</h4> <p>a) Hình nào có 19 ô vuông?</p> <p>b) Hình nào có ít ô vuông nhất?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/252-1662092122.png.webp" alt="hinh-anh-bai-24-luyen-tap-chung-331-6" title="hinh-anh-bai-24-luyen-tap-chung-331-6" loading="lazy"></p> <h3 id="luyen-tap">Luyện tập</h3> <h4>1. Số?</h4> <p>a)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/261-1662092147.png.webp" width="634" height="100" alt="hinh-anh-bai-24-luyen-tap-chung-331-7" title="hinh-anh-bai-24-luyen-tap-chung-331-7" loading="lazy"></p> <p>b)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/262-1662092156.png.webp" width="640" height="93" alt="hinh-anh-bai-24-luyen-tap-chung-331-8" title="hinh-anh-bai-24-luyen-tap-chung-331-8" loading="lazy"></p> <p>c)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/263-1662092167.png.webp" width="630" height="94" alt="hinh-anh-bai-24-luyen-tap-chung-331-9" title="hinh-anh-bai-24-luyen-tap-chung-331-9" loading="lazy"></p> <p>d)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/264-1662092180.png.webp" width="634" height="88" alt="hinh-anh-bai-24-luyen-tap-chung-331-10" title="hinh-anh-bai-24-luyen-tap-chung-331-10" 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>&nbsp;</p> <h4>2.</h4> <p>a) Tìm số lớn hơn trong mỗi cặp.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/265-1662092203.png.webp" width="541" height="95" alt="hinh-anh-bai-24-luyen-tap-chung-331-11" title="hinh-anh-bai-24-luyen-tap-chung-331-11" loading="lazy">b) Tìm số bé hơn trong mỗi cặp.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/266-1662092221.png.webp" width="526" height="100" alt="hinh-anh-bai-24-luyen-tap-chung-331-12" title="hinh-anh-bai-24-luyen-tap-chung-331-12" loading="lazy"></p> <h4>3. Tìm số lớn nhất, số bé nhất trong các số sau:</h4> <p>31, 35, 40</p> <h4>4. Chú mèo nghịch ngợm làm rách rèm. Tìm miếng rèm bị rách đó.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/271-1662092267.png.webp" alt="hinh-anh-bai-24-luyen-tap-chung-331-13" title="hinh-anh-bai-24-luyen-tap-chung-331-13" loading="lazy"></p> <h4>5. Em hãy giúp các bạn côn trùng lập các số có hai chữ số bằng cách sử dụng các tấm thẻ trên bàn.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/272-1662092307.png.webp" alt="hinh-anh-bai-24-luyen-tap-chung-331-14" title="hinh-anh-bai-24-luyen-tap-chung-331-14" loading="lazy"></p>