Ôn tập vê hình học và đo lường
<h3 id="1nbsp">1.&nbsp;</h3> <p>a) Chỉ ra đường thẳng, đường cong, đường gấp khúc trong hình sau:</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-225819-1665331106.png.webp" width="594" height="101" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-0" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-0" loading="lazy"></p><div> <div class="ads-horizontal-wrapped" style="height: auto !important; min-height: 0px !important;">
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</div>b) Đọc tên các điểm và các đoạn thẳng trong hình sau:<p></p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-225913-1665331164.png.webp" width="261" height="139" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-1" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-1" loading="lazy"></p> <p>c) Vẽ đoạn thẳng MN có độ dài 6 cm.</p> <p>2. Số?</p> <p><img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-230010-1665331217.png.webp" width="278" height="159" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-2" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-2" loading="lazy"></p> <p>Có <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-02-104526-1665331236.png.webp" width="32" height="35" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-3" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-3" loading="lazy"> hình tam giác.</p> <p>Có <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-224827-1665331261.png.webp" width="33" height="33" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-4" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-4" loading="lazy"> hình tứ giác.</p> <p><img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-230149-1665331314.png.webp" width="194" height="170" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-5" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-5" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <p>Có <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-224827-1665331339.png.webp" width="38" height="38" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-6" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-6" loading="lazy"> khối trụ.</p> <p>Có <img src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-224827-1665331362.png.webp" width="37" height="37" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-7" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-7" loading="lazy"> khối cầu.</p> <h3 id="3-do-vagrave-tiacutenh-do-duong-gap-khuacutec-abcdeg-sau">3. Đo và tính độ đường gấp khúc ABCDEG sau:</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-230350-1665331440.png.webp" width="482" height="87" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-8" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-8" loading="lazy"></p> <h3 id="4-nam-chay-dacircy-tu-may-gio-den-may-gio">4. Nam chảy dây từ mấy giờ đến mấy giờ?</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-230455-1665331524.png.webp" width="499" height="199" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-9" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-9" loading="lazy"></p> <h3 id="5">5.</h3> <p>Một thang máy chở được tối đa 600kg. HIện tại, thang máy đó đã chở 570kg. Bạn Lan cân năng 35kg. Theo em, bạn Lan có thể vào tiếp trong thang máy đó được không?</p> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-230706-1665331634.png.webp" width="583" height="214" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-10" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-10" loading="lazy"></p><div> <div class="ads-horizontal-wrapped">
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</div><p></p> <h3 id="6-uoc-luong-chieu-cao-cot-co-truong-em">6. Ước lượng chiều cao cột cờ trường em.</h3> <p><img style="display: block; margin-left: auto; margin-right: auto;" src="/uploads/tinymce/anh-chup-man-hinh-2022-10-09-230805-1665331692.png.webp" width="463" height="295" alt="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-11" title="hinh-anh-on-tap-ve-hinh-hoc-va-do-luong-1514-11" loading="lazy"></p>