Bài 11: Phép Trừ Trong Phạm Vi 10
<h3 id="khaacutem-phaacute">Khám phá</h3> <p><strong>Bớt đi còn lại mấy?</strong></p> <p>a) Bớt 1 quả, còn lại mấy quả?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/681-1661353127.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-0" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-0" 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><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/682-1661353150.png.webp" width="394" height="91" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-1" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-1" loading="lazy">6 - 1 = 5</p> <p>Sáu trừ một bằng năm.</p> <p>Dấu trừ: -</p> <p>b) <img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/683-1661353211.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-2" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-2" loading="lazy"></p> <p>Bay mất 2 quả, còn lại mấy quả bóng?</p> <p>5 - 2 = 3</p> <p>Năm trừ hai bằng ba.</p> <h3 id="hoat-dong">Hoạt động</h3> <h4>1. Số?</h4> <p>a) Còn lại mấy quả bưởi trên cây?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/691-1661353301.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-3" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-3" loading="lazy">8 - ... = ...</p> <p>b) Còn lại mấy quả trứng chưa nở?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/692-1661353341.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-4" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-4" loading="lazy">10 - ... = ...</p> <h4>2. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/693-1661353388.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-5" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <h3 id="khaacutem-phaacute">Khám phá</h3> <p><strong>Tách ra còn lại mấy?</strong></p> <p>a) Hoa màu vàng có 3 bông. Hoa màu đỏ có mấy bông?<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/701-1661353552.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-6" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-6" loading="lazy"></p> <p>b) Đĩa màu vàng có 3 quả. Đĩa màu xanh có mấy quả?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/702-1661353559.png.webp" width="639" height="226" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-7" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-7" loading="lazy"></p> <h3 id="hoat-dong">Hoạt động</h3> <h4>1. Số?</h4> <p>Có 6 gấu bông và sóc bông, trong đó có 2 gấu bông. Hỏi có mấy sóc bông?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/703-1661353654.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-8" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-8" loading="lazy"><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/704-1661353662.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-9" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-9" loading="lazy"></p> <h4>2. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/711-1661353872.png.webp" width="678" height="291" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-10" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <h4>3. Số?</h4> <p>a)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/712-1661353894.png.webp" width="289" height="127" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-11" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-11" loading="lazy"></p> <p>b)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/713-1661353904.png.webp" width="304" height="124" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-12" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-12" loading="lazy"></p> <p>c)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/714-1661353916.png.webp" width="286" height="124" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-13" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-13" loading="lazy"></p> <p>d)<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/715-1661353925.png.webp" width="304" height="124" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-14" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-14" loading="lazy"></p> <p>&nbsp;</p> <h4>4. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/716-1661353946.png.webp" width="711" height="294" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-15" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-15" 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><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/721-1661353985.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-16" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-16" loading="lazy"></p> <h4>2. Tìm những chú thỏ ghi phép tính có kết quả bằng 4.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/722-1661354021.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-17" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-17" loading="lazy"></p> <h4>3. Số?</h4> <table style="border-collapse: collapse; width: 99.9265%;" border="1"> <tbody> <tr> <td style="width: 11.0619%; text-align: center;" rowspan="2">-</td> <td style="width: 11.0619%; text-align: center;">9</td> <td style="width: 11.0619%; text-align: center;">9</td> <td style="width: 11.0619%; text-align: center;">9</td> <td style="width: 11.0619%; text-align: center;">9</td> <td style="width: 11.0619%; text-align: center;">9</td> <td style="width: 11.0619%; text-align: center;">9</td> <td style="width: 11.0619%; text-align: center;">9</td> <td style="width: 11.0619%; text-align: center;">9</td> </tr> <tr> <td style="width: 11.0619%; text-align: center;">1</td> <td style="width: 11.0619%; text-align: center;">2</td> <td style="width: 11.0619%; text-align: center;">3</td> <td style="width: 11.0619%; text-align: center;">4</td> <td style="width: 11.0619%; text-align: center;">5</td> <td style="width: 11.0619%; text-align: center;">6</td> <td style="width: 11.0619%; text-align: center;">7</td> <td style="width: 11.0619%; text-align: center;">8</td> </tr> <tr> <td style="width: 11.0619%; text-align: center;">&nbsp;</td> <td style="width: 11.0619%; text-align: center;">8</td> <td style="width: 11.0619%; text-align: center;">7</td> <td style="width: 11.0619%; text-align: center;">?</td> <td style="width: 11.0619%; text-align: center;">?</td> <td style="width: 11.0619%; text-align: center;">?</td> <td style="width: 11.0619%; text-align: center;">?</td> <td style="width: 11.0619%; text-align: center;">?</td> <td style="width: 11.0619%; text-align: center;">?</td> </tr> </tbody> </table> <h4>4. Tìm phép tính thích hợp với mỗi hình.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/73-1661354155.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-18" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-18" loading="lazy"></p> <h3 id="khaacutem-phaacute">Khám phá</h3> <p>Số 0 trong phép trừ</p> <p>a) Vớt 1 con cá, còn lại mấy con cá?<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/741-1661354278.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-19" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-19" loading="lazy"></p> <p>3 - 1 = 2</p> <p>b) Vớt 2 con cá, còn lại mấy con cá?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/742-1661354292.png.webp" width="249" height="172" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-20" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-20" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div>3 - 2 = 1<p></p> <p>c) Vớt 3 con cá, còn lại mấy con cá?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/743-1661354306.png.webp" width="229" height="162" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-21" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-21" loading="lazy">3 - 3 = 0</p> <p>d) Không vớt con cá nào, còn lại mấy con cá?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/744-1661354320.png.webp" width="238" height="154" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-22" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-22" loading="lazy">3 - 0 = 3</p> <h3 id="hoat-dong">Hoạt động</h3> <h4>1. Tính nhẩm</h4> <p>5 - 0; 4 - 0; 3 - 0; 2 - 0</p> <p>6 - 6; 7 - 7; 4 - 4; 9 - 9</p> <p>5 + 0; 0 + 4; 3 + 0; 0 + 2</p> <h4>2. Hai phép tính nào có cùng kết quả?</h4> <p>7 - 4; 5 - 5; 7 - 0; 4 - 0</p> <p>3 - 3; 3 - 0; 6 - 2; 9 - 2</p> <h4>3. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/75-1661354484.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-23" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-23" loading="lazy"></p> <h3 id="luyen-tap">Luyện tập</h3> <h4>1.</h4> <p>a) Tính nhẩm.</p> <p>2 - 1; 3 - 2; 4 - 3; 4 - 4</p> <p>4 - 1; 3 - 1; 5 - 1; 2 - 0</p> <p>b) Số?</p> <table style="border-collapse: collapse; width: 99.9265%; height: 67.1874px;" border="1"> <tbody> <tr style="height: 22.3958px;"> <td style="width: 11.0619%; height: 44.7916px; text-align: center;" rowspan="2">-</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> </tr> <tr style="height: 22.3958px;"> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">1</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">2</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">3</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">4</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">5</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">6</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">7</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">0</td> </tr> <tr style="height: 22.3958px;"> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">&nbsp;</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">6</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">?</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">4</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">?</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">?</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">?</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">0</td> <td style="width: 11.0619%; height: 22.3958px; text-align: center;">?</td> </tr> </tbody> </table> <h4>2. Những bông hoa nào ghi phép tính có kết quả lớn hơn 3?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/76-1661354624.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-24" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-24" loading="lazy"></p> <h4>3.</h4> <p>a) Có mấy con cá đang cắn câu?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/771-1661354685.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-25" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-25" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div>b) Số?<p></p> <p>7 - 2 = ...</p> <p>7 - ... = 2</p> <h4>4. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/772-1661354719.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-26" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-26" loading="lazy">... - ... = 3</p> <h3 id="luyen-tap">Luyện tập</h3> <h4>1. Số?</h4> <p>Vớt ra 3 con, còn lại mấy con cá?</p> <p>9 - 3 = ...</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/781-1661354784.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-27" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-27" loading="lazy">Vớt ra tiếp 2 con, còn lại mấy con cá?</p> <p>6 - 2 = ...</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/782-1661354809.png.webp" width="304" height="177" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-28" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-28" loading="lazy">9 - 3 - 2 = 4</p> <p>Nhẩm: 9 - 3 = 6</p> <p>6 - 2 = 4</p> <h4>2. Tính</h4> <p>a) 8 - 2 - 3</p> <p>b) 7 - 4 - 1</p> <p>c) 10 - 5 - 2</p> <p>d) 3 + 6 - 4</p> <h3 id="trograve-choi">Trò chơi</h3> <p>Câu cá</p> <ul> <li>Xúc xắc A: Sáu mặt ghi các số 0, 1, 2, 3, 4, 5.</li> <li>Xúc xắc B: Sáu mặt ghi các số 5, 6, 7, 8, 9, 10.</li> </ul> <p>Cách chơi:</p> <ul> <li>Chơi theo nhóm.</li> <li>Khi đến lượt, người chơi gieo 2 con xúc xắc.</li> <li>Lấy số ở mặt trên xúc xắc B trừ đi số ở mặt trên xúc xắc A.</li> <li>Bắt con cá ghi số bằng với kết quả nhận được.</li> <li>Trò chơi kết thúc khi bắt được 5 con cá.</li> </ul> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/791-1661355008.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-29" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-29" loading="lazy"></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/792-1661355016.png.webp" alt="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-30" title="hinh-anh-bai-11-phep-tru-trong-pham-vi-10-200-30" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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