{"id":33807,"date":"2026-09-30T11:21:27","date_gmt":"2026-09-30T04:21:27","guid":{"rendered":"https:\/\/etest.edu.vn\/?p=33807"},"modified":"2026-09-30T11:23:12","modified_gmt":"2026-09-30T04:23:12","slug":"cach-dung-desmos-trong-digital-sat-math-dung-luc-va-hieu-qua","status":"publish","type":"post","link":"https:\/\/etest.edu.vn\/en\/cach-dung-desmos-trong-digital-sat-math-dung-luc-va-hieu-qua\/","title":{"rendered":"C\u00e1ch d\u00f9ng Desmos trong Digital SAT Math \u0111\u00fang l\u00fac v\u00e0 hi\u1ec7u qu\u1ea3"},"content":{"rendered":"

T\u1eeb th\u00e1ng 3\/2024, <\/span>SAT<\/span><\/a> ch\u00ednh th\u1ee9c chuy\u1ec3n sang h\u00ecnh th\u1ee9c thi tr\u00ean m\u00e1y t\u00ednh th\u00f4ng qua \u1ee9ng d\u1ee5ng Bluebook. M\u1ed9t thay \u0111\u1ed5i \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 <\/span>m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb Desmos \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o ph\u1ea7n thi Math<\/b>, cho ph\u00e9p th\u00ed sinh s\u1eed d\u1ee5ng \u1edf t\u1ea5t c\u1ea3 c\u00e2u h\u1ecfi. Kh\u00e1c v\u1edbi SAT tr\u01b0\u1edbc \u0111\u00e2y, \u0111\u1ec1 thi kh\u00f4ng c\u00f2n ph\u1ea7n \u201ckh\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng m\u00e1y t\u00ednh\u201d.<\/span><\/p>\n

Tuy nhi\u00ean, v\u1edbi nhi\u1ec1u h\u1ecdc sinh t\u1ef1 h\u1ecdc, th\u00f4ng tin n\u00e0y th\u01b0\u1eddng ch\u1ec9 \u0111\u01b0\u1ee3c hi\u1ec3u \u0111\u01a1n gi\u1ea3n l\u00e0 <\/span>\u201cSAT c\u00f3 Desmos th\u00ec c\u1ee9 d\u00f9ng Desmos c\u00e0ng nhi\u1ec1u c\u00e0ng t\u1ed1t\u201d<\/b>. T\u1eeb \u0111\u00f3 xu\u1ea5t hi\u1ec7n hai c\u00e1ch hi\u1ec3u kh\u00e1 ph\u1ed5 bi\u1ebfn nh\u01b0ng \u0111\u1ec1u ch\u01b0a th\u1ef1c s\u1ef1 ch\u00ednh x\u00e1c.<\/span><\/p>\n

M\u1ed9t nh\u00f3m c\u00f3 xu h\u01b0\u1edbng m\u1edf Desmos cho g\u1ea7n nh\u01b0 m\u1ecdi c\u00e2u h\u1ecfi, k\u1ec3 c\u1ea3 nh\u1eefng ph\u00e9p t\u00ednh c\u00f3 th\u1ec3 nh\u1ea9m ho\u1eb7c x\u1eed l\u00fd trong v\u00e0i gi\u00e2y. Ng\u01b0\u1ee3c l\u1ea1i, m\u1ed9t s\u1ed1 b\u1ea1n l\u1ea1i \u00edt quan t\u00e2m \u0111\u1ebfn Desmos v\u00ec ngh\u0129 c\u00f4ng c\u1ee5 n\u00e0y ch\u1ee7 y\u1ebfu d\u00f9ng \u0111\u1ec3 v\u1ebd \u0111\u1ed3 th\u1ecb, trong khi SAT Math c\u00f2n c\u00f3 r\u1ea5t nhi\u1ec1u c\u00e2u h\u1ecfi v\u1ec1 \u0111\u1ea1i s\u1ed1, s\u1ed1 h\u1ecdc v\u00e0 c\u00e1c d\u1ea1ng t\u00ednh to\u00e1n kh\u00e1c.<\/span><\/p>\n

Reality, <\/span>Desmos ch\u1ec9 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3<\/b>. \u0110i\u1ec1u quan tr\u1ecdng kh\u00f4ng ph\u1ea3i l\u00e0 d\u00f9ng n\u00f3 trong bao nhi\u00eau c\u00e2u h\u1ecfi, m\u00e0 l\u00e0 <\/span>bi\u1ebft khi n\u00e0o n\u00ean d\u00f9ng v\u00e0 khi n\u00e0o kh\u00f4ng c\u1ea7n d\u00f9ng<\/b>. Ch\u1ecdn \u0111\u00fang c\u00f4ng c\u1ee5 cho \u0111\u00fang d\u1ea1ng b\u00e0i m\u1edbi gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian, gi\u1ea3m sai s\u00f3t v\u00e0 t\u1eadn d\u1ee5ng t\u1ed1t h\u01a1n th\u1eddi gian l\u00e0m b\u00e0i SAT Math.<\/span><\/p>\n

\"\"
C\u00e1ch d\u00f9ng Desmos trong Digital SAT Math \u0111\u00fang l\u00fac v\u00e0 hi\u1ec7u qu\u1ea3<\/figcaption><\/figure>\n

Desmos trong c\u1ea5u tr\u00fac Digital SAT kh\u00e1c bi\u1ec7t so v\u1edbi SAT gi\u1ea5y<\/b><\/h1>\n

Tr\u00ean SAT gi\u1ea5y tr\u01b0\u1edbc n\u0103m 2024, b\u00e0i thi Math t\u00e1ch th\u00e0nh hai ph\u1ea7n r\u00f5 r\u1ec7t: m\u1ed9t ph\u1ea7n cho ph\u00e9p d\u00f9ng m\u00e1y t\u00ednh c\u1ea7m tay, m\u1ed9t ph\u1ea7n ho\u00e0n to\u00e0n kh\u00f4ng. <\/span>Digital SAT<\/span><\/a> b\u1ecf h\u1eb3n ranh gi\u1edbi n\u00e0y. Theo ch\u00ednh s\u00e1ch m\u00e1y t\u00ednh ch\u00ednh th\u1ee9c c\u1ee7a College Board, th\u00ed sinh c\u00f3 th\u1ec3 d\u00f9ng m\u00e1y t\u00ednh c\u1ea7m tay \u0111\u00e3 \u0111\u01b0\u1ee3c duy\u1ec7t ho\u1eb7c d\u00f9ng Desmos t\u00edch h\u1ee3p s\u1eb5n trong Bluebook, v\u00e0 Desmos kh\u1ea3 d\u1ee5ng \u1edf to\u00e0n b\u1ed9 hai module Math (College Board, n.d.). C\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i qua l\u1ea1i gi\u1eefa ch\u1ebf \u0111\u1ed9 m\u00e1y t\u00ednh khoa h\u1ecdc v\u00e0 m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb, h\u1ed7 tr\u1ee3 v\u1ebd \u0111\u1ed3 th\u1ecb h\u00e0m, t\u1ea1o b\u1ea3ng gi\u00e1 tr\u1ecb, t\u00ecm giao \u0111i\u1ec3m, v\u00e0 d\u00f9ng thanh tr\u01b0\u1ee3t (slider) \u0111\u1ec3 kh\u1ea3o s\u00e1t tham s\u1ed1 – nh\u1eefng thao t\u00e1c v\u1ed1n kh\u00f4ng th\u1ec3 l\u00e0m tr\u00ean m\u00e1y t\u00ednh c\u1ea7m tay th\u00f4ng th\u01b0\u1eddng.<\/span><\/p>\n

Ch\u00ednh College Board c\u0169ng c\u1ea3nh b\u00e1o ngay trong t\u00e0i li\u1ec7u ch\u00ednh s\u00e1ch: “ph\u1ea7n Math c\u00f3 m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi m\u00e0 kh\u00f4ng d\u00f9ng m\u00e1y t\u00ednh l\u1ea1i t\u1ed1t h\u01a1n, d\u00f9 \u0111\u01b0\u1ee3c ph\u00e9p s\u1eed d\u1ee5ng” (College Board, n.d.).<\/span><\/p>\n

\"\"
Desmos trong c\u1ea5u tr\u00fac Digital SAT kh\u00e1c bi\u1ec7t so v\u1edbi SAT gi\u1ea5y<\/figcaption><\/figure>\n

V\u00ec sao m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb c\u00f3 t\u00e1c d\u1ee5ng? B\u1eb1ng ch\u1ee9ng t\u1eeb hai ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p<\/b><\/h1>\n

Question <\/span>\u201cM\u00e1y t\u00ednh c\u00f3 th\u1ef1c s\u1ef1 gi\u00fap h\u1ecdc sinh h\u1ecdc v\u00e0 l\u00e0m to\u00e1n t\u1ed1t h\u01a1n kh\u00f4ng?\u201d<\/b> th\u1ef1c ra \u0111\u00e3 \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u t\u1eeb r\u1ea5t l\u00e2u, tr\u01b0\u1edbc c\u1ea3 khi Desmos xu\u1ea5t hi\u1ec7n.<\/span><\/p>\n

N\u0103m 2003, <\/span>Ellington<\/b> t\u1ed5ng h\u1ee3p 54 nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m v\u1ec1 t\u00e1c \u0111\u1ed9ng c\u1ee7a m\u00e1y t\u00ednh n\u00f3i chung \u0111\u1ed1i v\u1edbi k\u1ebft qu\u1ea3 h\u1ecdc t\u1eadp v\u00e0 th\u00e1i \u0111\u1ed9 c\u1ee7a h\u1ecdc sinh ph\u1ed5 th\u00f4ng v\u1edbi m\u00f4n To\u00e1n. K\u1ebft qu\u1ea3 cho th\u1ea5y, khi m\u00e1y t\u00ednh \u0111\u01b0\u1ee3c <\/span>t\u00edch h\u1ee3p c\u00f3 ch\u1ee7 \u0111\u00edch v\u00e0o qu\u00e1 tr\u00ecnh d\u1ea1y h\u1ecdc v\u00e0 ki\u1ec3m tra<\/b>, thay v\u00ec ch\u1ec9 \u0111\u01a1n gi\u1ea3n cho h\u1ecdc sinh s\u1eed d\u1ee5ng t\u00f9y \u00fd, h\u1ecdc sinh c\u00f3 s\u1ef1 c\u1ea3i thi\u1ec7n c\u1ea3 v\u1ec1 <\/span>k\u1ef9 n\u0103ng th\u1ef1c hi\u1ec7n ph\u00e9p t\u00ednh<\/b> l\u1eabn <\/span>kh\u1ea3 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<\/b>. \u0110\u1ed3ng th\u1eddi, c\u00e1c em c\u0169ng c\u00f3 th\u00e1i \u0111\u1ed9 t\u00edch c\u1ef1c h\u01a1n \u0111\u1ed1i v\u1edbi m\u00f4n To\u00e1n so v\u1edbi nh\u00f3m kh\u00f4ng s\u1eed d\u1ee5ng m\u00e1y t\u00ednh.<\/span><\/p>\n

\u0110\u1ebfn n\u0103m 2006, Ellington ti\u1ebfp t\u1ee5c \u0111i s\u00e2u v\u00e0o m\u1ed9t nh\u00f3m c\u00f4ng c\u1ee5 c\u1ee5 th\u1ec3 h\u01a1n: <\/span>m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb (graphing calculator, kh\u00f4ng c\u00f3 CAS)<\/b>. Ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p n\u00e0y t\u1eadp trung v\u00e0o c\u00e1c nghi\u00ean c\u1ee9u th\u1ef1c nghi\u1ec7m v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb trong h\u1ecdc To\u00e1n, qua \u0111\u00f3 cung c\u1ea5p th\u00eam c\u01a1 s\u1edf \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 li\u1ec7u c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ef1c s\u1ef1 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh h\u1ecdc v\u00e0 gi\u1ea3i quy\u1ebft b\u00e0i to\u00e1n hay kh\u00f4ng.<\/span><\/p>\n

\"\"
V\u00ec sao m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb c\u00f3 t\u00e1c d\u1ee5ng? B\u1eb1ng ch\u1ee9ng t\u1eeb hai ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p<\/figcaption><\/figure>\n

Ba nh\u00f3m b\u00e0i Desmos ph\u00e1t huy hi\u1ec7u qu\u1ea3 r\u00f5 nh\u1ea5t<\/b><\/h1>\n

C\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y t\u1eadp trung tr\u1ef1c ti\u1ebfp v\u00e0o <\/span>Desmos<\/b> c\u0169ng cho th\u1ea5y c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 vi\u1ec7c h\u1ecdc To\u00e1n, d\u00f9 ph\u1ea7n l\u1edbn \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong <\/span>b\u1ed1i c\u1ea3nh l\u1edbp h\u1ecdc ph\u1ed5 th\u00f4ng<\/b>, thay v\u00ec trong c\u00e1c k\u1ef3 thi chu\u1ea9n h\u00f3a. Nh\u1eefng k\u1ebft qu\u1ea3 n\u00e0y gi\u00fap l\u00e0m r\u00f5 h\u01a1n Desmos th\u1ef1c s\u1ef1 h\u1eefu \u00edch \u1edf \u0111i\u1ec3m n\u00e0o.<\/span><\/p>\n

N\u0103m 2023, <\/span>Chechan v\u00e0 c\u1ed9ng s\u1ef1<\/b> kh\u1ea3o s\u00e1t 98 h\u1ecdc sinh trung h\u1ecdc t\u1ea1i Th\u1ee5y \u0110i\u1ec3n. C\u00e1c h\u1ecdc sinh \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m: m\u1ed9t nh\u00f3m h\u1ecdc v\u1ec1 h\u00e0m s\u1ed1 v\u1edbi Desmos v\u00e0 m\u1ed9t nh\u00f3m h\u1ecdc theo ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng. Sau qu\u00e1 tr\u00ecnh h\u1ecdc, <\/span>c\u1ea3 hai nh\u00f3m \u0111\u1ec1u c\u1ea3i thi\u1ec7n k\u1ebft qu\u1ea3<\/b>, nh\u01b0ng m\u1ee9c ti\u1ebfn b\u1ed9 c\u1ee7a nh\u00f3m s\u1eed d\u1ee5ng Desmos cao h\u01a1n v\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y c\u00f3 \u00fd ngh\u0129a th\u1ed1ng k\u00ea.<\/span><\/p>\n

D\u1eef li\u1ec7u \u0111\u1ecbnh t\u00ednh t\u1eeb nghi\u00ean c\u1ee9u c\u0169ng g\u1ee3i \u00fd m\u1ed9t l\u00fd do kh\u00e1 r\u00f5: nhi\u1ec1u h\u1ecdc sinh cho bi\u1ebft Desmos gi\u00fap c\u00e1c em <\/span>tr\u1ef1c quan h\u00f3a v\u00e0 ki\u1ec3m tra l\u1ea1i \u0111\u00e1p \u00e1n<\/b>, \u0111i\u1ec1u kh\u00f3 th\u1ef1c hi\u1ec7n n\u1ebfu ch\u1ec9 l\u00e0m b\u00e0i b\u1eb1ng gi\u1ea5y v\u00e0 b\u00fat. N\u00f3i c\u00e1ch kh\u00e1c, gi\u00e1 tr\u1ecb c\u1ee7a Desmos kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf vi\u1ec7c t\u00ednh to\u00e1n nhanh h\u01a1n, m\u00e0 c\u00f2n \u1edf kh\u1ea3 n\u0103ng gi\u00fap h\u1ecdc sinh <\/span>\u201cnh\u00ecn th\u1ea5y\u201d m\u1ed1i quan h\u1ec7 to\u00e1n h\u1ecdc v\u00e0 t\u1ef1 ki\u1ec3m tra c\u00e1ch m\u00ecnh \u0111ang gi\u1ea3i<\/b>.<\/span><\/p>\n

\u0110\u1ebfn n\u0103m 2025, <\/span>Dani v\u00e0 Ashok<\/b> ti\u1ebfp t\u1ee5c nghi\u00ean c\u1ee9u vi\u1ec7c s\u1eed d\u1ee5ng Desmos \u0111\u1ec3 d\u1ea1y <\/span>ph\u00e9p bi\u1ebfn h\u00ecnh (transformations)<\/b> cho h\u1ecdc sinh trung h\u1ecdc. Nghi\u00ean c\u1ee9u k\u1ebft h\u1ee3p <\/span>m\u00f4 h\u00ecnh 5E<\/b> v\u1edbi ph\u01b0\u01a1ng ph\u00e1p <\/span>nghi\u00ean c\u1ee9u thi\u1ebft k\u1ebf (design-based research)<\/b>, qua \u0111\u00f3 ti\u1ebfp t\u1ee5c khai th\u00e1c vai tr\u00f2 c\u1ee7a Desmos trong vi\u1ec7c gi\u00fap h\u1ecdc sinh kh\u00e1m ph\u00e1 v\u00e0 hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m to\u00e1n h\u1ecdc th\u00f4ng qua t\u01b0\u01a1ng t\u00e1c tr\u1ef1c quan.<\/span><\/p>\n

\"\"
Ba nh\u00f3m b\u00e0i Desmos ph\u00e1t huy hi\u1ec7u qu\u1ea3 r\u00f5 nh\u1ea5t<\/figcaption><\/figure>\n

Khi n\u00e0o Desmos l\u00e0m ch\u1eadm b\u00e0i thi, v\u00e0 b\u00e0i h\u1ecdc t\u1eeb ch\u00ednh s\u00e1ch c\u1ee7a College Board<\/b><\/h1>\n

M\u1eb7t tr\u00e1i \u00edt \u0111\u01b0\u1ee3c n\u00f3i t\u1edbi l\u00e0 chi ph\u00ed th\u1eddi gian c\u1ee7a vi\u1ec7c m\u1edf c\u00f4ng c\u1ee5. Digital SAT Math gi\u1edbi h\u1ea1n kho\u1ea3ng 70 gi\u00e2y cho m\u1ed7i c\u00e2u t\u00ednh trung b\u00ecnh tr\u00ean to\u00e0n b\u00e0i. V\u1edbi c\u00e2u h\u1ecfi s\u1ed1 h\u1ecdc \u0111\u01a1n gi\u1ea3n – t\u00ednh ph\u1ea7n tr\u0103m, quy \u0111\u1ed5i \u0111\u01a1n v\u1ecb, gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh b\u1eadc nh\u1ea5t m\u1ed9t \u1ea9n – thao t\u00e1c ch\u1ea1m v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng m\u00e1y t\u00ednh, ch\u1edd Desmos m\u1edf, g\u00f5 \u0111\u00fang c\u00fa ph\u00e1p bi\u1ec3u th\u1ee9c th\u01b0\u1eddng t\u1ed1n nhi\u1ec1u th\u1eddi gian h\u01a1n t\u00ednh nh\u1ea9m ho\u1eb7c \u0111\u1eb7t ph\u00e9p t\u00ednh tr\u00ean gi\u1ea5y nh\u00e1p. \u0110\u00e2y kh\u00f4ng ph\u1ea3i suy \u0111o\u00e1n c\u1ea3m t\u00ednh: ch\u00ednh College Board \u0111\u01b0a c\u1ea3nh b\u00e1o n\u00e0y v\u00e0o v\u0103n b\u1ea3n ch\u00ednh s\u00e1ch ch\u00ednh th\u1ee9c, kh\u1eb3ng \u0111\u1ecbnh c\u00f3 nh\u1eefng c\u00e2u “t\u1ed1t h\u01a1n l\u00e0 kh\u00f4ng d\u00f9ng m\u00e1y t\u00ednh” d\u00f9 \u0111\u01b0\u1ee3c ph\u00e9p (College Board, n.d.). \u0110\u00e2y l\u00e0 l\u01b0u \u00fd t\u1eeb ch\u00ednh \u0111\u01a1n v\u1ecb ra \u0111\u1ec1, n\u00ean c\u00f3 c\u01a1 s\u1edf \u0111\u00e1ng tin c\u1eady h\u01a1n nhi\u1ec1u so v\u1edbi nh\u1eefng m\u1eb9o truy\u1ec1n mi\u1ec7ng tr\u00ean m\u1ea1ng, b\u1edfi h\u1ecd hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac v\u00e0 m\u1ee9c \u0111\u1ed9 kh\u00f3 c\u1ee7a t\u1eebng d\u1ea1ng c\u00e2u h\u1ecfi<\/span><\/p>\n

\u0110i\u1ec1u c\u1ea7n nh\u1edb khi \u00e1p d\u1ee5ng<\/b><\/h1>\n

Desmos tr\u00ean Digital SAT <\/span>kh\u00f4ng ph\u1ea3i c\u00f4ng c\u1ee5 c\u1ee9 d\u00f9ng c\u00e0ng nhi\u1ec1u th\u00ec c\u00e0ng c\u00f3 l\u1ee3i<\/b>, nh\u01b0ng c\u0169ng kh\u00f4ng ph\u1ea3i c\u00f4ng c\u1ee5 ch\u1ec9 d\u00e0nh cho nh\u1eefng c\u00e2u h\u1ecfi c\u00f3 \u0111\u1ed3 th\u1ecb. T\u1eeb c\u00e1c b\u1eb1ng ch\u1ee9ng v\u1ec1 c\u00e1ch College Board s\u1eed d\u1ee5ng m\u00e1y t\u00ednh trong b\u00e0i thi, c\u00f9ng v\u1edbi nh\u1eefng k\u1ebft qu\u1ea3 t\u1eeb c\u00e1c ph\u00e2n t\u00edch t\u1ed5ng h\u1ee3p v\u1ec1 m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb v\u00e0 c\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y v\u1ec1 Desmos, c\u00f3 th\u1ec3 r\u00fat ra m\u1ed9t nguy\u00ean t\u1eafc quan tr\u1ecdng: <\/span>hi\u1ec7u qu\u1ea3 c\u1ee7a Desmos ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n c\u00f3 ch\u1ecdn \u0111\u00fang l\u00fac v\u00e0 \u0111\u00fang d\u1ea1ng b\u00e0i \u0111\u1ec3 s\u1eed d\u1ee5ng hay kh\u00f4ng<\/b>.<\/span><\/p>\n

N\u00f3i c\u00e1ch kh\u00e1c, m\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 c\u1ed1 g\u1eafng d\u00f9ng Desmos \u1edf c\u00e0ng nhi\u1ec1u c\u00e2u c\u00e0ng t\u1ed1t, m\u00e0 l\u00e0 <\/span>bi\u1ebft khi n\u00e0o c\u00f4ng c\u1ee5 n\u00e0y th\u1ef1c s\u1ef1 gi\u00fap b\u1ea1n gi\u1ea3i nhanh, ki\u1ec3m tra ch\u00ednh x\u00e1c v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian<\/b>.<\/span><\/p>\n

Luy\u1ec7n Digital SAT c\u00f9ng ETEST<\/b><\/h1>\n

\u0110\u1ec3 s\u1eed d\u1ee5ng Desmos trong Digital SAT Math hi\u1ec7u qu\u1ea3, h\u1ecdc sinh kh\u00f4ng ch\u1ec9 c\u1ea7n bi\u1ebft c\u00e1ch thao t\u00e1c tr\u00ean c\u00f4ng c\u1ee5 m\u00e0 c\u00f2n ph\u1ea3i hi\u1ec3u khi n\u00e0o n\u00ean d\u00f9ng, khi n\u00e0o kh\u00f4ng c\u1ea7n d\u00f9ng v\u00e0 c\u00e1ch k\u1ebft h\u1ee3p Desmos v\u1edbi t\u01b0 duy to\u00e1n h\u1ecdc. T\u1ea1i <\/span>ETEST<\/span><\/a>, h\u1ecdc sinh \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng l\u1ed9 tr\u00ecnh Digital SAT c\u00e1 nh\u00e2n h\u00f3a, r\u00e8n luy\u1ec7n k\u1ef9 n\u0103ng x\u1eed l\u00fd t\u1eebng d\u1ea1ng c\u00e2u h\u1ecfi v\u00e0 th\u1ef1c h\u00e0nh tr\u00ean m\u00f4i tr\u01b0\u1eddng thi s\u00e1t v\u1edbi b\u00e0i thi th\u1ef1c t\u1ebf. V\u1edbi <\/span>\u0111\u1ed9i ng\u0169 gi\u00e1o vi\u00ean gi\u00e0u kinh nghi\u1ec7m<\/span><\/a> c\u00f9ng h\u1ec7 th\u1ed1ng luy\u1ec7n t\u1eadp v\u00e0 theo d\u00f5i ti\u1ebfn \u0111\u1ed9, ETEST gi\u00fap h\u1ecdc sinh t\u1eebng b\u01b0\u1edbc n\u00e2ng cao n\u0103ng l\u1ef1c SAT Math v\u00e0 t\u1ed1i \u01b0u th\u1eddi gian l\u00e0m b\u00e0i.<\/span><\/p>\n

T\u00ecm hi\u1ec3u ch\u01b0\u01a1ng tr\u00ecnh Digital SAT t\u1ea1i ETEST \u0111\u1ec3 x\u00e2y d\u1ef1ng chi\u1ebfn l\u01b0\u1ee3c h\u1ecdc v\u00e0 luy\u1ec7n thi ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c ti\u00eau \u0111i\u1ec3m s\u1ed1 c\u1ee7a b\u1ea1n<\/span><\/p>\n

\"\"
Luy\u1ec7n Digital SAT c\u00f9ng ETEST<\/figcaption><\/figure>\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng Demos trong Digital SAT Math:<\/b><\/h1>\n

N\u00ean b\u1eaft \u0111\u1ea7u c\u1ea3i thi\u1ec7n c\u00e1ch d\u00f9ng Desmos SAT t\u1eeb \u0111\u00e2u<\/b><\/h2>\n

H\u00e3y xem l\u1ea1i nhi\u1ec1u b\u00e0i ho\u1eb7c nhi\u1ec1u l\u1ea7n l\u00e0m \u0111\u1ec1 \u0111\u1ec3 t\u00ecm l\u1ed7i l\u1eb7p l\u1ea1i. \u01afu ti\u00ean m\u1ed9t ho\u1eb7c hai \u0111i\u1ec3m y\u1ebfu c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn nh\u1ea5t, luy\u1ec7n ri\u00eang r\u1ed3i m\u1edbi quay l\u1ea1i l\u00e0m b\u00e0i ho\u00e0n ch\u1ec9nh.<\/span><\/p>\n

L\u00e0m nhi\u1ec1u \u0111\u1ec1 c\u00f3 \u0111\u1ee7 \u0111\u1ec3 ti\u1ebfn b\u1ed9 kh\u00f4ng<\/b><\/h2>\n

L\u00e0m \u0111\u1ec1 gi\u00fap ki\u1ec3m tra n\u0103ng l\u1ef1c, nh\u01b0ng ti\u1ebfn b\u1ed9 \u0111\u1ebfn t\u1eeb vi\u1ec7c ph\u00e2n lo\u1ea1i l\u1ed7i, hi\u1ec3u nguy\u00ean nh\u00e2n v\u00e0 luy\u1ec7n l\u1ea1i \u0111\u00fang k\u1ef9 n\u0103ng. N\u1ebfu ch\u1ec9 l\u00e0m \u0111\u1ec1 li\u00ean t\u1ee5c, ng\u01b0\u1eddi h\u1ecdc d\u1ec5 l\u1eb7p l\u1ea1i c\u00f9ng m\u1ed9t c\u00e1ch x\u1eed l\u00fd sai.<\/span><\/p>\n

\u0110i\u1ec1u h\u1ecdc sinh v\u00e0 ph\u1ee5 huynh n\u00ean theo d\u00f5i<\/b><\/h2>\n

H\u1ecdc sinh n\u00ean ghi l\u1ea1i d\u1ea1ng l\u1ed7i, nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch s\u1eeda sau m\u1ed7i l\u1ea7n luy\u1ec7n. Ph\u1ee5 huynh n\u00ean nh\u00ecn xu h\u01b0\u1edbng qua nhi\u1ec1u tu\u1ea7n thay v\u00ec d\u1ef1a v\u00e0o m\u1ed9t \u0111i\u1ec3m s\u1ed1 \u0111\u01a1n l\u1ebb. Khi l\u1ed7i c\u0169 xu\u1ea5t hi\u1ec7n \u00edt d\u1ea7n v\u00e0 c\u00e1ch x\u1eed l\u00fd \u1ed5n \u0111\u1ecbnh h\u01a1n, \u0111\u00f3 l\u00e0 b\u1eb1ng ch\u1ee9ng r\u00f5 r\u00e0ng nh\u1ea5t c\u1ee7a ti\u1ebfn b\u1ed9.<\/span><\/p>\n

Trong l\u1ed9 tr\u00ecnh SAT t\u1ea1i ETEST, h\u1ecdc sinh c\u00f3 th\u1ec3 luy\u1ec7n c\u00e1ch ch\u1ecdn gi\u1eefa Desmos v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea1i s\u1ed1 theo t\u1eebng d\u1ea1ng c\u00e2u thay v\u00ec d\u00f9ng m\u00e1y t\u00ednh theo th\u00f3i quen.<\/span><\/p>\n\n\n

\n \n
\n \n
\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n <\/div>\n \n
\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n
\n \n\n
<\/div>\n <\/div>\n <\/div>\n<\/div>\n \n\n
\n 5\/5 - (908 votes) <\/div>\n <\/div>","protected":false},"excerpt":{"rendered":"

T\u1eeb th\u00e1ng 3\/2024, SAT ch\u00ednh th\u1ee9c chuy\u1ec3n sang h\u00ecnh th\u1ee9c thi tr\u00ean m\u00e1y t\u00ednh th\u00f4ng qua \u1ee9ng d\u1ee5ng Bluebook. M\u1ed9t thay \u0111\u1ed5i \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 m\u00e1y t\u00ednh \u0111\u1ed3 th\u1ecb Desmos \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u1ef1c ti\u1ebfp v\u00e0o ph\u1ea7n thi Math, cho ph\u00e9p th\u00ed sinh s\u1eed d\u1ee5ng \u1edf t\u1ea5t c\u1ea3 c\u00e2u h\u1ecfi. Kh\u00e1c v\u1edbi SAT tr\u01b0\u1edbc […]","protected":false},"author":24,"featured_media":33808,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1,285],"tags":[],"class_list":["post-33807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","category-sat"],"acf":[],"_links":{"self":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts\/33807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/comments?post=33807"}],"version-history":[{"count":3,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts\/33807\/revisions"}],"predecessor-version":[{"id":33815,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/posts\/33807\/revisions\/33815"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/media\/33808"}],"wp:attachment":[{"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/media?parent=33807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/categories?post=33807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/etest.edu.vn\/en\/wp-json\/wp\/v2\/tags?post=33807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}