Bài 12: Bảng Cộng, Bảng Trừ Trong Phạm Vi 10
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</div><p></p> <h3 id="hoat-dong">Hoạt động</h3> <h4>1. Số?</h4> <table style="border-collapse: collapse; width: 99.9265%;" border="1"> <tbody> <tr> <td style="width: 9.95575%; text-align: center;" rowspan="2">+</td> <td style="width: 9.95575%; text-align: center;">1</td> <td style="width: 9.95575%; text-align: center;">2</td> <td style="width: 9.95575%; text-align: center;">3</td> <td style="width: 9.95575%; text-align: center;">4</td> <td style="width: 9.95575%; text-align: center;">5</td> <td style="width: 9.95575%; text-align: center;">6</td> <td style="width: 9.95575%; text-align: center;">7</td> <td style="width: 9.95575%; text-align: center;">8</td> <td style="width: 9.95575%; text-align: center;">9</td> </tr> <tr> <td style="width: 9.95575%; text-align: center;">9</td> <td style="width: 9.95575%; text-align: center;">8</td> <td style="width: 9.95575%; text-align: center;">7</td> <td style="width: 9.95575%; text-align: center;">6</td> <td style="width: 9.95575%; text-align: center;">5</td> <td style="width: 9.95575%; text-align: center;">4</td> <td style="width: 9.95575%; text-align: center;">3</td> <td style="width: 9.95575%; text-align: center;">2</td> <td style="width: 9.95575%; text-align: center;">1</td> </tr> <tr> <td style="width: 9.95575%; text-align: center;">&nbsp;</td> <td style="width: 9.95575%; text-align: center;">10</td> <td style="width: 9.95575%; text-align: center;">?</td> <td style="width: 9.95575%; text-align: center;">?</td> <td style="width: 9.95575%; text-align: center;">?</td> <td style="width: 9.95575%; text-align: center;">?</td> <td style="width: 9.95575%; text-align: center;">?</td> <td style="width: 9.95575%; text-align: center;">?</td> <td style="width: 9.95575%; text-align: center;">?</td> <td style="width: 9.95575%; text-align: center;">?</td> </tr> </tbody> </table> <h4>2. Em hoàn thành bảng cộng.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/811-1661414500.png.webp" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-1" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-1" loading="lazy"></p> <h4>3. Tìm cánh hoa cho mỗi chú ong.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/812-1661414518.png.webp" width="685" height="526" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-2" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-2" loading="lazy"></p> <h3 id="khaacutem-phaacute">Khám phá</h3> <p><strong>Bảng trừ</strong></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/821-1661414563.png.webp" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-3" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-3" loading="lazy"></p> <h3 id="hoat-dong">Hoạt động</h3> <h4>1. Số?</h4> <table style="border-collapse: collapse; width: 99.9265%;" border="1"> <tbody> <tr> <td style="width: 14.3805%; text-align: center;" rowspan="2">-</td> <td style="width: 14.3805%; text-align: center;">6</td> <td style="width: 14.3805%; text-align: center;">6</td> <td style="width: 14.3805%; text-align: center;">6</td> <td style="width: 14.3805%; text-align: center;">6</td> <td style="width: 14.3805%; text-align: center;">6</td> <td style="width: 14.3805%; text-align: center;">6</td> </tr> <tr> <td style="width: 14.3805%; text-align: center;">1</td> <td style="width: 14.3805%; text-align: center;">2</td> <td style="width: 14.3805%; text-align: center;">3</td> <td style="width: 14.3805%; text-align: center;">4</td> <td style="width: 14.3805%; text-align: center;">5</td> <td style="width: 14.3805%; text-align: center;">6</td> </tr> <tr> <td style="width: 14.3805%; text-align: center;">&nbsp;</td> <td style="width: 14.3805%; text-align: center;">5</td> <td style="width: 14.3805%; text-align: center;">?</td> <td style="width: 14.3805%; text-align: center;">?</td> <td style="width: 14.3805%; text-align: center;">?</td> <td style="width: 14.3805%; text-align: center;">?</td> <td style="width: 14.3805%; text-align: center;">?</td> </tr> </tbody> </table> <h4>2. Em hoàn thành bảng trừ</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/831-1661414626.png.webp" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-4" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-4" loading="lazy"></p> <h4>3. Tính nhẩm</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/832-1661414655.png.webp" width="739" height="535" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-5" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></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/841-1661414688.png.webp" width="412" height="316" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-6" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-6" loading="lazy"></p> <p>4 + 3 = ...</p> <p>3 + 4 = ...</p> <p>7 - 3 = ...</p> <p>7 - 4 = ...</p> <p>b)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/842-1661414729.png.webp" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-7" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-7" loading="lazy"></p> <p>5 + ... = ...</p> <p>3 + ... = ...</p> <p>8 - ... = ...</p> <p>8 - ... = ...</p> <h4>2. Số?</h4> <p>a)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/843-1661414775.png.webp" width="369" height="112" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-8" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-8" loading="lazy"></p> <p>b)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/844-1661414784.png.webp" width="510" height="106" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-9" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-9" loading="lazy"></p> <p>&nbsp;</p> <h3 id="trograve-choi">Trò chơi</h3> <p><strong>Chọn tấm thẻ nào?</strong></p> <p>Cách chơi:</p> <ul> <li>Chơi theo nhóm.</li> <li>Đặt 12 tấm thẻ trên mặt bàn. Khi đến lượt, người chơi gieo xúc xắc, úp tấm thẻ ghi phép tính có kết quả bằng số chấm ở mặt trên xúc xắc.</li> <li>Trò chơi kết thúc khi úp được 6 tấm thẻ.</li> </ul> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/851-1661414848.png.webp" width="147" height="160" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-10" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-10" 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/852-1661414858.png.webp" alt="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-11" title="hinh-anh-bai-12-bang-cong-bang-tru-trong-pham-vi-10-201-11" loading="lazy"></p>