Thực hành vẽ góc vuông, vẽ đường tròn, hình vuông, hình chữ nhật và vẽ trang trí

Home Toán lớp 3 - Tập 1 CHỦ ĐỀ 3 - LÀM QUEN VỚI HÌNH PHẲNG, HÌNH KHỐI Bài 20: Thực hành vẽ góc vuông, vẽ đường tròn, hình vuông, hình chữ nhật và vẽ trang tríBài tập trung bình

{"common":{"save":0,"post_id":"6107","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"2481","post_id":"6107","mon_id":"1158530","chapter_id":"1158594","question":"<p>\u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ch\u1ed7 tr\u1ed1ng.<\/p><p><span class=\"svgedit\"><svg height=\"160\" width=\"268\"> <g><title><\/title><rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"270\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><path d=\"m31.79978,74.45778l31.5,-60l31.5,60l-63,0z\" fill=\"#fff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"2\"><\/path> <path d=\"m114.79978,89.45778l31.49999,-78l31.5,78l-62.99999,0z\" fill=\"#fff\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"2\"><\/path> <path d=\"m194.79978,71.45778l31.49999,-60l31.5,60l-62.99999,0z\" fill=\"#fff\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"2\"><\/path> <rect fill=\"#fff\" fill-opacity=\"null\" height=\"51\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"2\" width=\"180\" x=\"58.45455\" y=\"101.43182\"><\/rect> <\/g> <\/svg><\/span><\/p><p><span style=\"color:#2980b9;\">Hình v\u1ebd trên có <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> hình tam giác, <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> hình ch\u1eef nh\u1eadt.<\/span><\/p>","options":"","correct":["[\"3\",\"1\"]"],"level":"2","hint":"","answer":"<p>Hình v\u1ebd trên có 3 hình tam giác, 1 hình ch\u1eef nh\u1eadt.<\/p><p>S\u1ed1 thích h\u1ee3p \u0111i\u1ec1n vào ch\u1ed7 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t là: <span style=\"color:#16a085;\"><strong>3 <\/strong>;<strong> 1.<\/strong><\/span><\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"1","date":"2022-08-18 17:09:43"},{"id":"2482","post_id":"6107","mon_id":"1158530","chapter_id":"1158594","question":"<p>Hình v\u1ebd sau có m\u1ea5y hình tròn?<\/p><p><span class=\"svgedit\"><svg height=\"100\" width=\"300\"> <g><title><\/title><rect fill=\"#fff\" height=\"102\" id=\"canvas_background\" width=\"302\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><path d=\"m9.74977,32.92732l24.01712,-22.55266l33.96576,0l24.01712,22.55266l0,31.89468l-24.01712,22.55266l-33.96576,0l-24.01712,-22.55266l0,-31.89468z\" fill=\"#fff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"2\"><\/path> <ellipse cx=\"150.95455\" cy=\"48.93182\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_2\" rx=\"43\" ry=\"41.5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"2\"><\/ellipse> <path d=\"m207.74977,32.92732l24.01712,-22.55266l33.96576,0l24.01712,22.55266l0,31.89468l-24.01712,22.55266l-33.96576,0l-24.01712,-22.55266l0,-31.89468z\" fill=\"#fff\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"2\"><\/path> <\/g> <\/svg><\/span><\/p>","options":["1 hình tròn","2 hình tròn","3 hình tròn"],"correct":"1","level":"2","hint":"","answer":"<p>Hình v\u1ebd trên có <span style=\"color:#16a085;\"><strong>1 hình tròn.<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"129","test":"1","date":"2022-08-18 17:12:14","option_type":"txt","len":2},{"id":"2483","post_id":"6107","mon_id":"1158530","chapter_id":"1158594","question":"<p>Cho hình v\u1ebd sau. \u0110i\u1ec1n s\u1ed1 thích h\u1ee3p vào ch\u1ed7 tr\u1ed1ng.<\/p><p><span class=\"svgedit\"><svg height=\"186\" width=\"307\"> <g><title><\/title><rect fill=\"#fff\" height=\"188\" id=\"canvas_background\" width=\"309\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><rect fill=\"#fff\" height=\"132\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"2.5\" width=\"248\" x=\"29.95455\" y=\"31.97728\"><\/rect> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"132.04609\" x2=\"99.45455\" y1=\"31.79417\" y2=\"163.38572\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.8269968032836914,0,0,0.8269968032836914,3.711705037725551,5.347483907175047) \" x=\"10.57179\" xml:space=\"preserve\" y=\"33.23244\">D<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.8269968032836914,0,0,0.8269968032836914,3.711705037725551,5.347483907175047) \" x=\"148.41997\" xml:space=\"preserve\" y=\"25.97727\">H<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.8269968032836914,0,0,0.8269968032836914,3.711705037725551,5.347483907175047) \" x=\"338.26351\" xml:space=\"preserve\" y=\"29.60486\">G<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.8269968032836914,0,0,0.8269968032836914,3.711705037725551,5.347483907175047) \" x=\"339.4727\" xml:space=\"preserve\" y=\"202.51967\">F<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(0.8269968032836914,0,0,0.8269968032836914,3.711705037725551,5.347483907175047) \" x=\"110.57729\" xml:space=\"preserve\" y=\"214.47537\">I<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.8269968032836914,0,0,0.8269968032836914,3.711705037725551,5.347483907175047) \" x=\"5.73502\" xml:space=\"preserve\" y=\"198.89209\">E<\/text> <\/g> <\/svg><\/span><\/p><p><span style=\"color:#2980b9;\">Hình v\u1ebd trên có <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> \u0111o\u1ea1n th\u1eb3ng và <input class=\"tim_x input_number\" tpl=\"dien_so\" type=\"text\"\/> hình t\u1ee9 giác. <\/span><\/p>","options":"","correct":["[\"9\",\"3\"]"],"level":"2","hint":"","answer":"<p>Hình v\u1ebd trên có:<\/p><p><span style=\"color:#2980b9;\">9 \u0111o\u1ea1n th\u1eb3ng: <\/span>DH, HG, DG, EI, IF, EF, DE, HI, GF<\/p><p><span style=\"color:#2980b9;\">3 hình t\u1ee9 giác:<\/span> DHIE, HGFI, DGFE<\/p><p>S\u1ed1 thích h\u1ee3p \u0111i\u1ec1n vào ch\u1ed7 tr\u1ed1ng l\u1ea7n l\u01b0\u1ee3t là <strong><span style=\"color:#16a085;\">9<\/span> <\/strong>và<strong> <span style=\"color:#16a085;\">3.<\/span><\/strong><\/p>","type":"blank","extra_type":"","time":"0","user_id":"129","test":"1","date":"2022-08-18 17:16:08"}]}