Bài 33: Luyện Tập Chung
<h3 id="luyen-tap">Luyện tập</h3> <h4>1.</h4> <p>a) Tính:</p> <p>20 + 5; 36 + 1; 57 - 40; 74 - 24</p> <p>b) Tính nhẩm.</p> <p>20 + 30; 40 + 10; 70 - 20; 90 - 40</p> <h4>2. Mai, Việt và Rô-bốt chơi đá cầu. Em hãy tìm số bước chân thích hợp.</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/641-1662125193.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-0" title="hinh-anh-bai-33-luyen-tap-chung-344-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <h4>3. Chú ếch nào được ăn hoa mướp?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/651-1662125315.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-1" title="hinh-anh-bai-33-luyen-tap-chung-344-1" loading="lazy"></p> <h4>4. Anh Khoai phải sắp xếp các đốt tre thành phép tính đúng. Nhưng do vội quá nên anh xếp nhầm hai đốt tre. Em hãy xếp lại giúp anh Khoai nhé!</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/652-1662125657.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-2" title="hinh-anh-bai-33-luyen-tap-chung-344-2" loading="lazy"></p> <h3 id="luyen-tap">Luyện tập</h3> <h4>1. Đặt tính rồi tính.</h4> <p>23 + 5; 67 + 2; 48 - 3; 95 - 41</p> <h4>2. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/661-1662125938.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-3" title="hinh-anh-bai-33-luyen-tap-chung-344-3" loading="lazy"></p> <h4>3. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/662-1662126029.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-4" title="hinh-anh-bai-33-luyen-tap-chung-344-4" loading="lazy"></p> <h4>4. Trên cây thị có 74 quả. Gió lay làm rụng 21 quả. Hỏi trên cây còn lại bao nhiêu quả thị?</h4> <p>Em hãy nếu câu trả lời.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/663-1662126759.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-5" title="hinh-anh-bai-33-luyen-tap-chung-344-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div><p></p> <h4>5. Dế mèn phiêu lưu kí.</h4> <p>a) Xem tranh rồi tính:</p> <ul> <li>Từ nhà dế mèn đến nhà bác xén tóc dài bao nhiêu bước chân?</li> <li>Từ nhà dế mèn đến nhà châu chấu voi dài bao nhiêu bước chân?</li> </ul> <p>b) Nhà ai gần nhà dế mèn nhất?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/67-1662126887.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-6" title="hinh-anh-bai-33-luyen-tap-chung-344-6" loading="lazy"></p> <h3 id="luyen-tap">Luyện tập</h3> <h4>1. Đặt tính rồi tính.</h4> <p>31 + 7; 23 + 64; 86 - 15; 95 - 3</p> <h4>2. Trong hai ngày, tráng sĩ uống hết 49 bầu nước. Ngày thứ nhất, tráng sĩ uống hết 25 bầu nước. Hỏi ngày thứ hai, tráng sĩ uống hết bao nhiêu bầu nước?</h4> <p>Em hãy nêu câu trả lời.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/681-1662126972.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-7" title="hinh-anh-bai-33-luyen-tap-chung-344-7" loading="lazy"></p> <h4>3. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/682-1662127231.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-8" title="hinh-anh-bai-33-luyen-tap-chung-344-8" loading="lazy"></p> <h4>4. Tính:</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/69-1662127251.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-9" title="hinh-anh-bai-33-luyen-tap-chung-344-9" loading="lazy"></p> <h3 id="luyen-tap">Luyện tập</h3> <h4>1. Tính:</h4> <p>25 + 40; 41 + 8; 99 - 9; 65 - 62</p> <h4>2. Số?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/701-1662127291.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-10" title="hinh-anh-bai-33-luyen-tap-chung-344-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <h4>3. Số quả thông ở hai bên bằng nhau. Hỏi trong túi màu đỏ có bao nhiêu quả thông?</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/702-1662127314.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-11" title="hinh-anh-bai-33-luyen-tap-chung-344-11" loading="lazy">Em hãy nêu câu trả lời.</p> <h4>4. Tính:</h4> <p>a) 20 + 40 + 1</p> <p>b) 15 - 2 - 1</p> <p>c) 40 + 15 + 2</p> <h4>5. Trên ga có 3 đoàn tàu.</h4> <p>a) Đoàn tàu A có 10 toa. Đoàn tàu B có 12 toa. Hỏi cả hai đoàn tàu có bao nhiêu toa?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/712-1662127443.png.webp" width="226" height="64" alt="hinh-anh-bai-33-luyen-tap-chung-344-12" title="hinh-anh-bai-33-luyen-tap-chung-344-12" loading="lazy">Em hãy nêu câu trả lời.</p> <p>b) Đoàn tàu C có 15 toa chở khách và chở hàng. Trong đó có 3 toa chở hàng. Hỏi đoàn tàu C có bao nhiêu toa chở khách?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/712-1662127507.png.webp" width="226" height="64" alt="hinh-anh-bai-33-luyen-tap-chung-344-13" title="hinh-anh-bai-33-luyen-tap-chung-344-13" loading="lazy"></p> <p>Em hãy nêu câu trả lời.</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/71-1662127492.png.webp" alt="hinh-anh-bai-33-luyen-tap-chung-344-14" title="hinh-anh-bai-33-luyen-tap-chung-344-14" loading="lazy"></p>