Một phần hai. Một phần tư
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</div><p></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h1-1664447087.jpg.webp" width="342" height="349" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-1" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-1" loading="lazy"></p> <p>Chia hình vuông thành 2 phần bằng nhau.</p> <p>Lấy một phần, được&nbsp;<strong>một phần hai&nbsp;</strong>hình vuông,</p> <p>Một phần hai viết là&nbsp; <img src="/uploads/tinymce/screenshot-1664447739.jpg.webp" width="20" height="35" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-2" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-2" loading="lazy">.</p> <p>Một phần hai còn gọi là một nửa.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h2-1664447818.jpg.webp" width="340" height="343" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-3" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-3" loading="lazy"></p> <p>Chia hình vuông thành bốn phần bằng nhau.</p> <p>Lấy một phần, được&nbsp;<strong>một phần tư&nbsp;</strong>hình vuông.</p> <p>Một phần tư viết là <img src="/uploads/tinymce/screenshot-2022-09-29-173807-1664447937.jpg.webp" width="21" height="36" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-4" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-4" loading="lazy">.</p> <h3 id="1-noacutei-theo-mau">1. Nói (theo mẫu):</h3> <p>a)</p> <p><strong>Mẫu:</strong></p> <p style="text-align: center;"><strong><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h3-1664448114.jpg.webp" width="244" height="204" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-5" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-5" loading="lazy"></strong></p><div><strong> <div class="ads-horizontal-wrapped">
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</strong></div>Đã tô màu vào một phần hai hình tam giác.<p></p> <p style="text-align: center;"><img src="/uploads/tinymce/b26-h4-1664448232.jpg.webp" width="688" height="223" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-6" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-6" loading="lazy"></p> <p>b)</p> <p><strong>Mẫu:</strong></p> <p style="text-align: center;"><strong><img src="/uploads/tinymce/b26-h5-1664448431.jpg.webp" width="244" height="304" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-7" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-7" loading="lazy"></strong></p> <p style="text-align: center;">Đã tô màu vào một phần tư hình A.</p> <p style="text-align: center;"><img src="/uploads/tinymce/b26-h6-1664448463.jpg.webp" width="619" height="222" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-8" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-8" loading="lazy"></p> <h3 id="2">2.</h3> <p>a) Đã tô màu <img src="/uploads/tinymce/screenshot-1664448547.jpg.webp" width="22" height="36" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-9" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-9" loading="lazy"> hình nào?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h7-1664449097.jpg.webp" width="685" height="192" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-10" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>b) Đã tô màu <img src="/uploads/tinymce/screenshot-2022-09-29-173807-1664449149.jpg.webp" width="25" height="41" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-11" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-11" loading="lazy"> hình nào?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h8-1664449212.jpg.webp" width="721" height="146" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-12" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-12" loading="lazy"></p> <h3 id="3">3.</h3> <p>a)&nbsp;<strong>Thực hành:&nbsp;</strong>Gấp hình để tạo thành&nbsp;<img src="/uploads/tinymce/screenshot-1664448547.jpg.webp" width="22" height="36" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-13" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-13" loading="lazy">.</p> <p>- Gấp đôi một tờ giấy rồi trải tờ giấy ra.</p> <p>- Tô màu vào&nbsp;<img src="/uploads/tinymce/screenshot-1664448547.jpg.webp" width="22" height="36" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-14" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-14" loading="lazy"> tờ giấy.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h9-1664449775.jpg.webp" width="654" height="301" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-15" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-15" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>b)&nbsp;<strong>Thực hành:&nbsp;</strong>Gấp hình để tạo thành&nbsp;<img src="/uploads/tinymce/screenshot-2022-09-29-173807-1664449149.jpg.webp" width="20" height="33" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-16" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-16" loading="lazy">.&nbsp;</p> <p>- Gấp đôi một tờ giấy rồi lại gấp đôi tiếp.</p> <p>- Vuốt thẳng góc rồi trải tờ giấy ra.</p> <p>- Tô màu vào&nbsp;<img src="/uploads/tinymce/screenshot-2022-09-29-173807-1664449149.jpg.webp" width="20" height="33" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-17" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-17" loading="lazy"> tờ giấy.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h10-1664449761.jpg.webp" width="517" height="374" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-18" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-18" loading="lazy"></p> <h3 id="4">4.</h3> <p>Trang muốn ăn&nbsp;<img src="/uploads/tinymce/screenshot-1664448547.jpg.webp" width="22" height="36" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-19" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-19" loading="lazy"> chiếc bánh. Nguyên muốn ăn&nbsp;<img src="/uploads/tinymce/screenshot-2022-09-29-173807-1664449149.jpg.webp" width="20" height="33" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-20" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-20" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div> chiếc bánh. Em hãy chỉ giúp hai bạn phần bánh thích hợp ở hình bên.<p></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b26-h11-1664449868.jpg.webp" width="195" height="193" alt="hinh-anh-mot-phan-hai-mot-phan-tu-958-21" title="hinh-anh-mot-phan-hai-mot-phan-tu-958-21" loading="lazy"></p>