Một phần hai, một phần ba, một phần tư, một phần năm
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</div><p></p> <p>Mỗi hình sau được chia thành các phần bằng nhau, tô màu 1 phần.</p> <p style="text-align: center;"><img src="/uploads/tinymce/b29-h2-1666496672.jpg.webp" width="76" height="77" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-1" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-1" loading="lazy"></p> <p style="text-align: center;">Viết: <img src="/uploads/tinymce/screenshot-2022-10-23-013240-1666496688.jpg.webp" width="16" height="38" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-2" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-2" loading="lazy"></p> <p style="text-align: center;">Đọc: Một phần hai (một nửa)</p> <p style="text-align: center;"><img src="/uploads/tinymce/b29-h3-1666496730.jpg.webp" width="77" height="75" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-3" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-3" loading="lazy"></p> <p style="text-align: center;">Viết: <img src="/uploads/tinymce/screenshot-2022-10-23-013250-1666496753.jpg.webp" width="15" height="38" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-4" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-4" loading="lazy"></p> <p style="text-align: center;">Đọc: Một phần ba</p> <p style="text-align: center;"><img src="/uploads/tinymce/b29-h4-1666496788.jpg.webp" width="74" height="79" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-5" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p style="text-align: center;">Viết: <img src="/uploads/tinymce/screenshot-2022-10-23-013302-1666496814.jpg.webp" width="18" height="39" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-6" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-6" loading="lazy"></p> <p style="text-align: center;">Đọc: Một phần tư</p> <p style="text-align: center;"><img src="/uploads/tinymce/b29-h5-1666496845.jpg.webp" width="134" height="79" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-7" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-7" loading="lazy"></p> <p style="text-align: center;">Viết: <img src="/uploads/tinymce/screenshot-2022-10-23-013317-1666496865.jpg.webp" width="18" height="39" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-8" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-8" loading="lazy"></p> <p style="text-align: center;">Đọc: Một phần năm</p> <p><img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013240-1666496688.jpg.webp" width="16" height="38" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-9" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-9" loading="lazy">,&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013250-1666496753.jpg.webp" width="15" height="38" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-10" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div>,&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013302-1666496814.jpg.webp" width="18" height="39" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-11" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-11" loading="lazy">,&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013317-1666496865.jpg.webp" width="18" height="39" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-12" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-12" loading="lazy"> biểu thị phần tô màu trong mỗi hình.<p></p> <h3 id="1-nhung-higravenh-nagraveo-datilde-duoc-chia-thagravenh-caacutec-phan-bang-nhau">1. Những hình nào đã được chia thành các phần bằng nhau?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h6-1666497022.jpg.webp" width="261" height="121" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-13" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-13" loading="lazy"></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h7-1666497036.jpg.webp" width="314" height="119" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-14" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-14" loading="lazy"></p> <h3 id="2-datilde-tocirc-magraveu-mot-phan-may-moi-higravenh-noacutei-theo-mau">2. Đã tô màu một phần mấy mỗi hình? (Nói theo mẫu.)</h3> <p><span style="color: #3598db;">Mẫu:</span></p> <p style="text-align: center;"><span style="color: #3598db;"> </span><span style="color: #3598db;"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-1666497142.jpg.webp" width="81" height="84" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-15" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-15" loading="lazy"></span></p><div> <div class="ads-horizontal-wrapped">
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</div>Một phần hai<p></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h8-1666497231.jpg.webp" width="408" height="84" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-16" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-16" loading="lazy"></p> <h3 id="3">3.</h3> <p>a) Gấp một mảnh giấy hình vuông để chia mảnh giấy thành bốn phần bằng nhau.</p> <p>Ví dụ:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h9-1666497303.jpg.webp" width="86" height="84" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-17" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-17" loading="lazy"></p> <p>b) Tô màu&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013302-1666496814.jpg.webp" width="18" height="39" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-18" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-18" loading="lazy"> mảnh giấy hình vuông ở câu a.</p> <h3 id="bagravei-tap-1-datilde-tocirc-magraveunbspimg-style-text-align-center-src-uploadstinymcescreenshot-2022-10-23-013317-1666496865jpgwebp-width-18-height-39-alt-hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-19-title-hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-19-loading-lazy-nhung-higravenh-nagraveo">Bài tập 1: Đã tô màu&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013317-1666496865.jpg.webp" width="18" height="39" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-19" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-19" loading="lazy"> những hình nào?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h10-1666497405.jpg.webp" width="243" height="123" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-20" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-20" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h11-1666497418.jpg.webp" width="311" height="130" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-21" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-21" loading="lazy"></p> <h3 id="bagravei-tap-2-datilde-tocirc-magraveunbspimg-style-text-align-center-src-uploadstinymcescreenshot-2022-10-23-013250-1666496753jpgwebp-width-15-height-38-alt-hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-22-title-hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-22-loading-lazy-so-ocirc-vuocircng-cua-nhung-higravenh-nagraveo">Bài tập 2: Đã tô màu&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013250-1666496753.jpg.webp" width="15" height="38" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-22" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-22" loading="lazy"> số ô vuông của những hình nào?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h12-1666497594.jpg.webp" width="243" height="106" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-23" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-23" loading="lazy"></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b29-h13-1666497618.jpg.webp" width="294" height="126" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-24" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-24" loading="lazy"></p> <h3 id="bagravei-tap-3-datilde-khoanh-vagraveonbspimg-style-text-align-center-src-uploadstinymcescreenshot-2022-10-23-013240-1666496688jpgwebp-width-16-height-38-alt-hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-25-title-hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-25-loading-lazy-div-div-class-ads-horizontal-wrapped-span-class-ads-titleadvertisementspan-script-async-src-httpspagead2googlesyndicationcompageadjsadsbygooglejsclient-ca-pub-8123786206223951-crossorigin-anonymousscript-sachgiaokhoaonline-horizontal-ins-class-adsbygoogle-style-displayblock-data-ad-client-ca-pub-8123786206223951-data-ad-slot-2203391893-data-ad-format-auto-data-full-width-responsive-trueins-script-adsbygoogle-windowadsbygoogle-push-script-div-div-so-cuacutec-aacuteo-cua-nhung-higravenh-nagraveo">Bài tập 3: Đã khoanh vào&nbsp;<img style="text-align: center;" src="/uploads/tinymce/screenshot-2022-10-23-013240-1666496688.jpg.webp" width="16" height="38" alt="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-25" title="hinh-anh-mot-phan-hai-mot-phan-ba-mot-phan-tu-mot-phan-nam-1826-25" loading="lazy"><div> <div class="ads-horizontal-wrapped">
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