Làm quen với phép chia- dấu chia
<p>6 hình tròn chia đều cho 2 bạn. Mỗi bạn được mấy hình tròn?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-020628-1665255995.png.webp" width="226" height="109" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-0" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-0" 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>Lần 1&nbsp;</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-020656-1665256022.png.webp" width="570" height="94" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-1" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-1" loading="lazy"></p> <p>Lần 2&nbsp;</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-020729-1665256056.png.webp" width="554" height="88" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-2" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-2" loading="lazy"></p> <p>Lần 3</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-020801-1665256089.png.webp" width="556" height="91" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-3" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-3" loading="lazy"></p> <p>6 hình tròn chia đều cho 2 bạn. Mỗi bạn được 3 hình tròn.&nbsp;</p> <p>Ta có phép tính chia 6 : 2= 3</p> <p>Đọc là: Sau chia hai bằng ba.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-020928-1665256176.png.webp" width="264" height="202" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-4" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-4" loading="lazy"></p> <h3 id="1-thuc-hien-hoat-dong-sau-roi-necircu-pheacutep-chia-tuong-ung">1. Thực hiện hoạt động sau rồi nêu phép chia tường ứng:</h3> <p>a) Chia đều 8 hình tròn cho 2 bạn.</p> <p>b) Chia đều 6 hình tròn cho 3 bạn.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-021049-1665256256.png.webp" width="280" height="199" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-5" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <h3 id="2-xem-tranh-roi-noacutei-pheacutep-chia-theo-mau">2. Xem tranh rồi nói phép chia (theo mẫu):</h3> <p><strong>Mẫu:</strong></p> <p><strong><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-021140-1665256307.png.webp" width="466" height="98" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-6" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-6" loading="lazy"></strong></p> <p>Có 10 chiếc bánh, chia đều vào 2 hộp. Mỗi hộp có 5 chiếc bánh. Ta có phép chia 10 : 2 = 5.</p> <p>a) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-021249-1665256379.png.webp" width="435" height="73" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-7" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-7" loading="lazy"></p> <p>Có 9 quả dâu tây, chia đều vào 3 đĩa. Mỗi đĩa có 3 quả dâu tây. Ta có phép chia</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-021351-1665256440.png.webp" width="188" height="41" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-8" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-8" loading="lazy"></p> <p>b) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-021423-1665256472.png.webp" width="557" height="131" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-9" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-9" loading="lazy"></p> <p>Có 8 củ cà rốt, chia đều cho 4 bạn Thỏ. Mỗi bạn Thỏ được 2 củ cà rốt. Ta có phép chia</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-021351-1665256523.png.webp" width="207" height="45" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-10" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <h3 id="3-chon-pheacutep-chia-thiacutech-hop-voi-moi-tranh-ve">3. Chọn phép chia thích hợp với mỗi tranh vẽ:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-021614-1665256582.png.webp" width="519" height="201" alt="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-11" title="hinh-anh-lam-quen-voi-phep-chia-dau-chia-1447-11" loading="lazy"></p> <p>&nbsp;</p>