Bài 18: Ôn Tập Phép Cộng, Phép Trừ Trong Phạm Vi 10
<h3 id="luyen-tap">Luyện tập</h3> <h4>1. Tính nhẩm.</h4> <p>a) 2 + 1; 3 + 6; 4 + 5</p> <p>5 + 2; 8 + 0; 2 + 7</p> <p>b) 3 - 1; 9 - 6; 10 - 4</p> <p>4 - 2; 8 - 0; 6 - 3</p> <h4>2.</h4> <p>a) Số?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1061-1661577265.png.webp" width="526" height="133" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-0" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div>b) &gt;; &lt;; =?<p></p> <p>5 + 4 ... 9</p> <p>3 ... 9 - 7</p> <p>8 + 0 ... 9</p> <h4>3. Những bông hoa nào ghi phép tính có kết quả bằng 5?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1071-1661577410.png.webp" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-1" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-1" loading="lazy"></p>  <h4>4. Từ các số dưới đây và các dấu +, -, =, em có thể lập được các phép tính đúng nào?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1072-1661577445.png.webp" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-2" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-2" loading="lazy"></p> <h3 id="luyen-tap">Luyện tập</h3> <h4>1. Tìm kết quả phép tính ghi ở mỗi toa tàu:</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1081-1661577560.png.webp" width="700" height="160" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-3" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-3" loading="lazy"></p> <h4>2. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1082-1661577578.png.webp" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-4" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-4" loading="lazy">... - 3 = ...</p> <h4>3. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1083-1661577601.png.webp" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-5" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-5" 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="trograve-choi">Trò chơi</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1091-1661577743.png.webp" width="172" height="157" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-6" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-6" loading="lazy"></p> <p><strong>Bắt gà</strong></p> <p>Cách chơi:</p> <ul> <li>Chơi theo nhóm.</li> <li>Người chơi bắt đầu từ ô <strong>xuất phát</strong>. Khi đến lượt, người chơi gieo xúc xắc. Đếm số chấm ở mặt trên xúc xắc rồi di chuyển số ô bằng số chấm đó. Tìm kết quả phép tính tại ô đi đến rồi bắt một con gà ghi số bằng kết quả đó.</li> <li>Trò chơi kết thức khi bắt được 5 con gà.</li> </ul> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1092-1661577829.png.webp" alt="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-7" title="hinh-anh-bai-18-on-tap-phep-cong-phep-tru-trong-pham-vi-10-227-7" loading="lazy"></p>