Em Làm Được Những Gì
<h3 id="luyen-tap-1-quan-saacutet-buc-tuong-gach">Luyện tập 1. Quan sát bức tường gạch.</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1441-1663566153.png.webp" alt="hinh-anh-em-lam-duoc-nhung-gi-759-0" title="hinh-anh-em-lam-duoc-nhung-gi-759-0" 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>a. Đếm số viên gạch mỗi loại.</p> <table style="border-collapse: collapse; width: 99.9265%;" border="1"> <tbody> <tr> <td style="width: 16.9242%; text-align: center;">Tất cả</td> <td style="width: 16.9242%;"><img src="/uploads/tinymce/1442-1663566202.png.webp" width="64" height="37" alt="hinh-anh-em-lam-duoc-nhung-gi-759-1" title="hinh-anh-em-lam-duoc-nhung-gi-759-1" loading="lazy"></td> <td style="width: 16.9242%;"><img src="/uploads/tinymce/1443-1663566213.png.webp" width="62" height="39" alt="hinh-anh-em-lam-duoc-nhung-gi-759-2" title="hinh-anh-em-lam-duoc-nhung-gi-759-2" loading="lazy"></td> <td style="width: 16.9242%;"><img src="/uploads/tinymce/1444-1663566468.png.webp" width="63" height="36" alt="hinh-anh-em-lam-duoc-nhung-gi-759-3" title="hinh-anh-em-lam-duoc-nhung-gi-759-3" loading="lazy"></td> <td style="width: 16.9334%;"><img src="/uploads/tinymce/1445-1663566484.png.webp" width="60" height="33" alt="hinh-anh-em-lam-duoc-nhung-gi-759-4" title="hinh-anh-em-lam-duoc-nhung-gi-759-4" loading="lazy"></td> </tr> <tr> <td style="width: 16.9242%; text-align: center;">?</td> <td style="width: 16.9242%; text-align: center;">?</td> <td style="width: 16.9242%; text-align: center;">?</td> <td style="width: 16.9242%; text-align: center;">?</td> <td style="width: 16.9334%; text-align: center;">?</td> </tr> </tbody> </table> <p>b. Sắp xếp các số sau theo thứ tự từ bé đến lớn: 35, 24, 15, 26.</p> <p>c. Số?</p> <p>Mẫu:<img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1446-1663566563.png.webp" alt="hinh-anh-em-lam-duoc-nhung-gi-759-5" title="hinh-anh-em-lam-duoc-nhung-gi-759-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1447-1663566572.png.webp" width="202" height="189" alt="hinh-anh-em-lam-duoc-nhung-gi-759-6" title="hinh-anh-em-lam-duoc-nhung-gi-759-6" loading="lazy"></p> <h3 id="luyen-tap-2-tiacutenh-nham">Luyện tập 2. Tính nhẩm.</h3> <p>20 + 70&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;50 + 10 - 60</p> <p>90 - 70&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 80 - 20 + 30</p> <h3 id="luyen-tap-3-tiacutenh">Luyện tập 3. Tính:</h3> <p>24 + 65&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;78 - 7</p> <p>89 - 65&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 5 + 22</p> <h3 id="luyen-tap-4-lagravem-theo-mau">Luyện tập 4. Làm theo mẫu.</h3> <p>Mẫu:</p> <p>Có 7 bạn cá ngựa đang chơi, thêm 2 bạn cá ngựa tới cùng chơi. Hỏi có tất cả bao nhiêu bạn cá ngựa?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1451-1663566692.png.webp" alt="hinh-anh-em-lam-duoc-nhung-gi-759-7" title="hinh-anh-em-lam-duoc-nhung-gi-759-7" loading="lazy"></p> <p>Mai có 14 con sao biển, Mai cho bạn 4 con. Hỏi Mai còn lại bao nhiêu con sao biển?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/1452-1663566717.png.webp" width="659" height="286" alt="hinh-anh-em-lam-duoc-nhung-gi-759-8" title="hinh-anh-em-lam-duoc-nhung-gi-759-8" loading="lazy"></p> <h3 id="luyen-tap-5">Luyện tập 5.</h3> <p><strong>Quê em</strong></p> <p>a. Đọc giờ.</p> <p>&nbsp; &nbsp; Em đi từ nhà lúc <img src="/uploads/tinymce/1461-1663567050.png.webp" width="44" height="44" alt="hinh-anh-em-lam-duoc-nhung-gi-759-9" title="hinh-anh-em-lam-duoc-nhung-gi-759-9" loading="lazy"></p> <p>&nbsp; &nbsp; Em về tới quê lúc <img src="/uploads/tinymce/1462-1663567056.png.webp" width="44" height="44" alt="hinh-anh-em-lam-duoc-nhung-gi-759-10" title="hinh-anh-em-lam-duoc-nhung-gi-759-10" 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/1463-1663567102.png.webp" alt="hinh-anh-em-lam-duoc-nhung-gi-759-11" title="hinh-anh-em-lam-duoc-nhung-gi-759-11" loading="lazy">b. Viết phép tính rồi nói câu trả lời.</p> <p>&nbsp; &nbsp; Có 4 con chó đang chơi, thêm 2 con chạy tới. Hỏi có tất cả bao nhiêu con chó?</p> <p>c. Viết phép tính, nói câu trả lời.</p> <p>&nbsp; &nbsp; Có tất cả 6 con chó, sau đó 3 con chạy đi.<br>&nbsp; &nbsp; Hỏi còn lại mấy con chó?</p> <p>d. Số?<br>&nbsp; &nbsp; Em đo một quả mướp dài 3 gang tay.</p> <p>&nbsp; &nbsp; Quả mướp đó dài khoảng ? cm.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/147-1663567198.png.webp" alt="hinh-anh-em-lam-duoc-nhung-gi-759-12" title="hinh-anh-em-lam-duoc-nhung-gi-759-12" loading="lazy"></p>