Thu thập, phân loại, ghi chép số liệu thống kê
<p style="text-align: center;"><strong>Số lượng bông hoa mỗi loại</strong></p> <p style="text-align: center;">&nbsp;</p> <table style="border-collapse: collapse; width: 71.1391%; margin-left: auto; margin-right: auto; height: auto !important;" border="1"> <tbody> <tr style="height: auto !important;"> <td style="width: 37.0163%;">Hoa hồng</td> <td style="width: 38.9411%; text-align: center; height: auto !important;"><img src="/uploads/tinymce/b39-a-1665910654.jpg.webp" width="30" height="29" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-0" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-0" loading="lazy"><div> <div class="ads-horizontal-wrapped">
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</div></td> <td style="width: 24.0426%; text-align: center;">4</td> </tr> <tr> <td style="width: 37.0163%;">Hoa hướng dương</td> <td style="width: 38.9411%; text-align: center;"><img src="/uploads/tinymce/b39-b-1665910688.jpg.webp" width="50" height="26" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-1" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-1" loading="lazy"></td> <td style="width: 24.0426%; text-align: center;">6</td> </tr> <tr> <td style="width: 37.0163%;">Hoa cúc</td> <td style="width: 38.9411%; text-align: center;"><img src="/uploads/tinymce/b39-c-1665910729.jpg.webp" width="51" height="25" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-2" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-2" loading="lazy"></td> <td style="width: 24.0426%; text-align: center;">7</td> </tr> <tr> <td style="width: 37.0163%;">Hoa đồng tiền</td> <td style="width: 38.9411%; text-align: center;"><img src="/uploads/tinymce/b39-d-1665910766.jpg.webp" width="39" height="27" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-3" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-3" loading="lazy"></td> <td style="width: 24.0426%; text-align: center;">5</td> </tr> </tbody> </table> <h3 id="1-so">1. Số ?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b39-h2-1665910943.jpg.webp" width="620" height="121" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-4" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-4" loading="lazy"></p> <h3 id="2">2.</h3> <h4>Kiểm đếm số chiếc diều mỗi loại trong hình vẽ sau (theo mẫu):</h4> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b39-h3-1665911183.jpg.webp" width="630" height="289" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-5" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p style="text-align: center;"><strong>Số lượng chiếc diều mỗi loại</strong></p> <p style="text-align: center;">&nbsp;</p> <table style="border-collapse: collapse; width: 72.8753%; height: 67.1529px; margin-left: auto; margin-right: auto;" border="1"> <tbody> <tr style="height: 22.3843px;"> <td style="width: 52.31%; height: 22.3843px;">Chiếc diều có màu vàng</td> <td style="width: 31.8784%; height: 22.3843px; text-align: center;"><img src="/uploads/tinymce/b39-c-1665910729.jpg.webp" width="51" height="25" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-6" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-6" loading="lazy"></td> <td style="width: 15.812%; height: 22.3843px; text-align: center;">?</td> </tr> <tr style="height: 22.3843px;"> <td style="width: 52.31%; height: 22.3843px;">Chiếc diều có màu xanh</td> <td style="width: 31.8784%; height: 22.3843px; text-align: center;">?</td> <td style="width: 15.812%; height: 22.3843px; text-align: center;">?</td> </tr> <tr style="height: 22.3843px;"> <td style="width: 52.31%; height: 22.3843px;">Chiếc diều có màu đỏ</td> <td style="width: 31.8784%; height: 22.3843px; text-align: center;">?</td> <td style="width: 15.812%; height: 22.3843px; text-align: center;">?</td> </tr> </tbody> </table> <h3 id="3">3.</h3> <p>a) Quan sát và cho biết trong tranh có những loại thú nhồi bông nào:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b39-h4-1665911527.jpg.webp" width="624" height="246" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-7" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-7" loading="lazy"></p> <p>b) Kiểm đếm từng loại thú nhồi bông, đọc biểu đồ rồi trả lời các câu hỏi:</p> <p style="text-align: center;"><strong>Số lượng mỗi loại thú nhồi bông có trong tranh vẽ</strong></p> <p style="text-align: center;"><img src="/uploads/tinymce/b39-h5-1665911625.jpg.webp" width="608" height="312" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-8" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-8" loading="lazy"></p> <p>- Có bao nhiêu con hà mã?</p> <p>- Số khỉ nhiều hơn số hươu cao cổ là bao nhiêu con?</p> <p>- Trong tranh vẽ có tất cả bao nhiêu con thú nhồi bông?</p> <h3 id="4-quan-saacutet-bieu-do-tranh-sau">4. Quan sát biểu đồ tranh sau:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/b39-h6-1665911873.jpg.webp" width="546" height="254" alt="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-9" title="hinh-anh-thu-thap-phan-loai-ghi-chep-so-lieu-thong-ke-1650-9" loading="lazy"></p> <p><strong>Trả lời các câu hỏi:</strong></p> <p>a) Bao nhiêu cuốn sách đã bán được trong ngày thứ tư?</p> <p>b) Ngày nào bán được 40 cuốn sách?</p> <p>c) Ngày thứ ba bán được nhiều hơn ngày thứ nhất bao nhiêu cuốn sách?</p> <p>d) Cả bốn ngày bán được bao nhiêu cuốn sách?</p>