{"id":379555,"date":"2024-08-22T20:31:44","date_gmt":"2024-08-22T13:31:44","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=379555"},"modified":"2024-08-22T20:31:44","modified_gmt":"2024-08-22T13:31:44","slug":"khoi-lap-phuong-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/khoi-lap-phuong-la-gi\/","title":{"rendered":"Kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u00e0 g\u00ec? C\u00e1c h\u00ecnh kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u1edbp 1"},"content":{"rendered":"

Kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u00e0 g\u00ec<\/b>? \u0110\u00e2y l\u00e0 n\u1ed9i dung ki\u1ebfn th\u1ee9c c\u00f2n xa l\u1ea1 \u0111\u1ed1i v\u1edbi c\u00e1c em h\u1ecdc sinh l\u1edbp 1. \u0110\u1ec3 gi\u00fap tr\u1ebb h\u1ecdc t\u1eadp t\u1ed1t, ba m\u1eb9 c\u1ea7n \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p k\u1ebft h\u1ee3p gi\u1eefa l\u00fd thuy\u1ebft v\u00e0 th\u1ef1c h\u00e0nh th\u00f4ng qua tr\u00f2 ch\u01a1i. Sau \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd g\u1ee3i \u00fd m\u1ed9t s\u1ed1 c\u00e1ch gi\u00fap ba m\u1eb9 d\u1ea1y tr\u1ebb l\u1edbp 1 ti\u1ebfp c\u1eadn ki\u1ebfn th\u1ee9c kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng hi\u1ec7u qu\u1ea3.\u00a0<\/span><\/p>\n

Kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u00e0 g\u00ec?\u00a0<\/span><\/h2>\n

Kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u00e0 m\u1ed9t h\u00ecnh kh\u00f4ng gian ba chi\u1ec1u c\u00f3 6 m\u1eb7t l\u00e0 c\u00e1c h\u00ecnh vu\u00f4ng b\u1eb1ng nhau. Kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng c\u00f3 8 \u0111\u1ec9nh, n\u01a1i ba c\u1ea1nh g\u1eb7p nhau v\u00e0 c\u00f3 12 c\u1ea1nh k\u00edch th\u01b0\u1edbc b\u1eb1ng nhau. \u1ede l\u1edbp 1, h\u1ecdc sinh s\u1ebd \u0111\u01b0\u1ee3c h\u1ecdc c\u00e1c kh\u1ed1i h\u00ecnh c\u01a1 b\u1ea3n trong kh\u00f4ng gian \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c k\u1ef9 n\u0103ng nh\u1eadn th\u1ee9c v\u1ec1 h\u00ecnh h\u1ecdc, kh\u00f4ng gian c\u00f9ng kh\u1ea3 n\u0103ng t\u01b0 duy logic c\u01a1 b\u1ea3n. C\u00e1c b\u1ea1n h\u1ecdc sinh nh\u1eadn bi\u1ebft v\u00e0 ph\u00e2n bi\u1ec7t kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng v\u1edbi c\u00e1c kh\u1ed1i h\u00ecnh kh\u00e1c, t\u1eeb \u0111\u00f3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng quan s\u00e1t v\u00e0 ph\u00e2n lo\u1ea1i.\u00a0<\/span><\/p>\n

\"khoi-lap-phuong-la-gi-2\"<\/picture><\/p>\n

B\u00ean c\u1ea1nh \u0111\u00f3, h\u1ecdc sinh b\u1eaft \u0111\u1ea7u hi\u1ec3u v\u1ec1 c\u00e1c v\u1eadt th\u1ec3 ba chi\u1ec1u v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c m\u1eb7t, c\u1ea1nh, \u0111\u1ec9nh c\u1ee7a kh\u1ed1i h\u00ecnh \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng h\u00ecnh dung kh\u00f4ng gian. Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng v\u00e0 c\u00e1c kh\u1ed1i h\u00ecnh h\u1ecdc kh\u00e1c gi\u00fap x\u00e2y d\u1ef1ng n\u1ec1n t\u1ea3ng cho vi\u1ec7c h\u1ecdc to\u00e1n h\u00ecnh h\u1ecdc \u1edf c\u00e1c l\u1edbp cao h\u01a1n. D\u1ef1a v\u00e0o ki\u1ebfn th\u1ee9c \u0111\u00e3 h\u1ecdc, c\u00e1c em c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y, li\u00ean h\u1ec7 ki\u1ebfn th\u1ee9c to\u00e1n h\u1ecdc v\u1edbi th\u1ef1c ti\u1ec5n.\u00a0<\/span><\/p>\n

C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u1edbp 1\u00a0<\/span><\/h2>\n

C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng trong to\u00e1n l\u1edbp 1 th\u01b0\u1eddng t\u1eadp trung v\u00e0o nh\u1eefng ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n nh\u1eb1m gi\u00fap h\u1ecdc sinh nh\u1eadn bi\u1ebft v\u00e0 hi\u1ec3u v\u1ec1 kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng. C\u00e1c b\u00e0i t\u1eadp ph\u1ed5 bi\u1ebfn bao g\u1ed3m:\u00a0<\/span><\/p>\n

Nh\u1eadn di\u1ec7n \u0111\u1ed3 v\u1eadt kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng\u00a0<\/span><\/h3>\n

Th\u00f4ng qua b\u00e0i t\u1eadp nh\u1eadn di\u1ec7n \u0111\u1ed3 v\u1eadt kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng gi\u00fap c\u00e1c em h\u1ecdc sinh ghi nh\u1edb <\/span>kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u00e0 g\u00ec<\/b>? H\u1ecdc sinh s\u1ebd quan s\u00e1t c\u00e1c \u0111\u1ed3 v\u1eadt xung quanh, nh\u1eadn di\u1ec7n kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng. Ch\u1eb3ng h\u1ea1n nh\u01b0 trong h\u00ecnh v\u1ebd c\u00f3 m\u1ed9t nh\u00f3m \u0111\u1ed3 v\u1eadt bao g\u1ed3m h\u1ed9p qu\u00e0 vu\u00f4ng, qu\u1ea3 b\u00f3ng, lon n\u01b0\u1edbc, vi\u00ean g\u1ea1ch y\u00eau c\u1ea7u h\u1ecdc sinh khoanh tr\u00f2n v\u00e0o \u0111\u1ed3 v\u1eadt c\u00f3 h\u00ecnh d\u1ea1ng kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng.\u00a0<\/span><\/p>\n

\"khoi-lap-phuong-la-gi-3\"<\/picture><\/p>\n

B\u00e0i t\u1eadp nh\u1eadn di\u1ec7n \u0111\u1ed3 v\u1eadt kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng gi\u00fap h\u1ecdc sinh l\u00e0m quen v\u1edbi c\u00e1c kh\u00e1i ni\u1ec7m h\u00ecnh h\u1ecdc kh\u00f4ng gian, t\u1ea1o n\u1ec1n t\u1ea3ng cho vi\u1ec7c nh\u1eadn di\u1ec7n c\u00e1c h\u00ecnh kh\u1ed1i ph\u1ee9c t\u1ea1p h\u01a1n. Vi\u1ec7c li\u00ean h\u1ec7 ki\u1ebfn th\u1ee9c to\u00e1n h\u1ecdc v\u1edbi th\u1ef1c t\u1ebf gi\u00fap b\u00e0i h\u1ecdc tr\u1edf n\u00ean th\u00fa v\u1ecb, g\u1ea7n g\u0169i v\u00e0 d\u1ec5 d\u00e0ng so s\u00e1nh, ph\u00e2n bi\u1ec7t kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng v\u1edbi h\u00ecnh kh\u1ed1i kh\u00e1c.\u00a0<\/span><\/p>\n

\u0110\u1ebfm kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng\u00a0<\/span><\/h3>\n

\u0110\u00e2y l\u00e0 d\u1ea1ng b\u00e0i t\u1eadp gi\u00fap h\u1ecdc sinh nh\u1eadn bi\u1ebft v\u00e0 \u0111\u1ebfm s\u1ed1 l\u01b0\u1ee3ng kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng trong m\u1ed9t h\u00ecnh ho\u1eb7c m\u00f4 h\u00ecnh. B\u00e0i t\u1eadp n\u00e0y r\u00e8n luy\u1ec7n kh\u1ea3 n\u0103ng quan s\u00e1t, \u0111\u1ebfm ch\u00ednh x\u00e1c v\u00e0 nh\u1eadn bi\u1ebft c\u00e1c kh\u1ed1i kh\u00f4ng gian. Ch\u1eb3ng h\u1ea1n nh\u01b0 gi\u00e1o vi\u00ean \u0111\u01b0a ra h\u00ecnh v\u1ebd c\u00e1c kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng ch\u1ed3ng l\u00ean nhau c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t kh\u1ed1i 2×2 ho\u1eb7c 3×3 c\u00e1c kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng.\u00a0<\/span><\/p>\n

\"khoi-lap-phuong-la-gi-4\"<\/picture><\/p>\n

Kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng l\u00e0 g\u00ec<\/b>? B\u00e0i t\u1eadp \u0111\u1ebfm kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng gi\u00fap h\u1ecdc sinh nh\u00ecn nh\u1eadn kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng trong c\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c nhau.\u00a0 H\u1ecdc sinh t\u1eadp trung v\u00e0o vi\u1ec7c \u0111\u1ebfm s\u1ed1 l\u01b0\u1ee3ng kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng trong m\u1ed9t m\u00f4 h\u00ecnh c\u1ee5 th\u1ec3, t\u1eeb \u0111\u00f3 r\u00e8n luy\u1ec7n t\u00ednh c\u1ea9n th\u1eadn v\u00e0 ch\u00ednh x\u00e1c. H\u01a1n n\u1eefa, b\u00e0i t\u1eadp \u0111\u1ebfm kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng gi\u00fap h\u1ecdc sinh h\u00ecnh dung c\u00e1ch c\u00e1c kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng ho\u1eb7c gh\u00e9p l\u1ea1i v\u1edbi nhau gi\u00fap ph\u00e1t tri\u1ec3n t\u01b0 duy v\u1ec1 c\u1ea5u tr\u00fac kh\u00f4ng gian.\u00a0<\/span><\/p>\n

K\u1ec3 t\u00ean \u0111\u1ed3 v\u1eadt c\u00f3 kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng<\/span>\u00a0<\/span><\/h3>\n

D\u1ea1ng b\u00e0i t\u1eadp gi\u00fap h\u1ecdc sinh nh\u1eadn di\u1ec7n c\u00e1c \u0111\u1ed3 v\u1eadt c\u00f3 h\u00ecnh kh\u1ed1i l\u1eadp ph\u01b0\u01a1ng trong th\u1ef1c ti\u1ec5n t\u1eeb \u0111\u00f3 n\u00e2ng cao kh\u1ea3 n\u0103ng li\u00ean h\u1ec7 gi\u1eefa ki\u1ebfn th\u1ee9c h\u00ecnh h\u1ecdc v\u00e0 th\u1ef1c t\u1ebf. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 b\u00e0i t\u1eadp nh\u01b0:\u00a0<\/span><\/p>\n