Phép nhân
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</div><p></p> <p>&nbsp;</p> <p>3 x 5 = ?</p> <p>3 x 5 = 3 + 3 + 3 + 3 = 15</p> <p>3 x 5 = 15</p> <p>Có tất cả 15 chấm tròn.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-002453-1665249898.png.webp" width="186" height="199" alt="hinh-anh-phep-nhan-1436-1" title="hinh-anh-phep-nhan-1436-1" loading="lazy"></p> <h3 id="1-xem-higravenh-roi-noacutei-theo-mau">1. Xem hình rồi nói (theo mẫu):</h3> <p><strong>Mẫu:&nbsp;</strong></p> <p><strong><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-002609-1665249975.png.webp" width="356" height="58" alt="hinh-anh-phep-nhan-1436-2" title="hinh-anh-phep-nhan-1436-2" loading="lazy"></strong></p> <p style="text-align: center;">2 x 4 = 2 + 2 + 2 + 2= 8</p> <p style="text-align: center;">2 x 4 = 8</p> <p>a) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-002728-1665250054.png.webp" width="294" height="89" alt="hinh-anh-phep-nhan-1436-3" title="hinh-anh-phep-nhan-1436-3" loading="lazy"></p> <p style="text-align: center;">4 x 3 = ?</p> <p style="text-align: center;">4 x 3 = 4 + 4 + 4 = 12</p> <p>b) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-002836-1665250122.png.webp" width="364" height="78" alt="hinh-anh-phep-nhan-1436-4" title="hinh-anh-phep-nhan-1436-4" loading="lazy"></p> <p style="text-align: center;">5 x 2 = 5 + 5= 10</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-002943-1665250186.png.webp" width="169" height="45" alt="hinh-anh-phep-nhan-1436-5" title="hinh-anh-phep-nhan-1436-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p style="text-align: center;">5 x 2 = ?</p> <p>c) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-003019-1665250223.png.webp" width="394" height="81" alt="hinh-anh-phep-nhan-1436-6" title="hinh-anh-phep-nhan-1436-6" loading="lazy"></p> <p style="text-align: center;">6 x 3 = 6 + 6 + 6 = 18</p> <p style="text-align: center;"><img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-003109-1665250273.png.webp" width="179" height="41" alt="hinh-anh-phep-nhan-1436-7" title="hinh-anh-phep-nhan-1436-7" loading="lazy"></p> <p style="text-align: center;">6 x 3 = ?</p> <h3 id="2-chuyen-tong-caacutec-so-hang-bang-nhau-thagravenh-pheacutep-nhacircn-theo-mau">2. Chuyển tổng các số hạng bằng nhau thành phép nhân (theo mẫu):</h3> <p><strong>Mẫu:&nbsp;</strong></p> <p style="text-align: center;">7 + 7 + 7= 21</p> <p style="text-align: center;">7 x 3 = 21</p> <p>a)&nbsp; 2 + 2 + 2 = 6</p> <p>b) 9 + 9 = 18</p> <p>c) 10 + 10 + 10 + 10 =40</p> <p>d) 5 + 5 + 5 + 5 +5 + 5 = 30</p> <h3 id="3-chon-tong-ung-voi-pheacutep-nhacircn">3. Chọn tổng ứng với phép nhân:</h3> <p>a) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-010839-1665252528.png.webp" width="285" height="265" alt="hinh-anh-phep-nhan-1436-8" title="hinh-anh-phep-nhan-1436-8" loading="lazy"></p> <p>b) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-010917-1665252568.png.webp" width="330" height="294" alt="hinh-anh-phep-nhan-1436-9" title="hinh-anh-phep-nhan-1436-9" loading="lazy"></p> <h3 id="4-necircu-pheacutep-nhacircn-thiacutech-hop-voi-moi-tranh-ve">4. Nêu phép nhân thích hợp với mỗi tranh vẽ:</h3> <p>a) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-011131-1665252698.png.webp" width="559" height="135" alt="hinh-anh-phep-nhan-1436-10" title="hinh-anh-phep-nhan-1436-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>b)&nbsp;</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-011202-1665252731.png.webp" width="600" height="155" alt="hinh-anh-phep-nhan-1436-11" title="hinh-anh-phep-nhan-1436-11" loading="lazy"></p> <h3 id="5-xem-tranh-roi-necircu-mot-tigravenh-huong-coacute-pheacutep-nhacircn">5. Xem tranh rồi nêu một tình huống có phép nhân:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-011300-1665252789.png.webp" width="551" height="328" alt="hinh-anh-phep-nhan-1436-12" title="hinh-anh-phep-nhan-1436-12" loading="lazy"></p> <p>&nbsp;</p> <p>&nbsp;</p>