B\u00e0i to\u00e1n n\u00e0y l\u00e0 m\u1ed9t ph\u1ea7n trong \u0111\u1ec1 ki\u1ec3m tra to\u00e1n m\u1edbi \u1edf c\u1ea5p Higher (d\u00e0nh cho h\u1ecdc sinh hai n\u0103m cu\u1ed1i c\u1ea5p 2 \u1edf Scotland, t\u1eeb 15 \u0111\u1ebfn 17 tu\u1ed5i) l\u1ea7n \u0111\u1ea7u ti\u00ean trong n\u0103m nay.
\nTuy nhi\u00ean, b\u00e0i ki\u1ec3m tra n\u00e0y kh\u00f3 \u0111\u1ebfn m\u1ee9c c\u00e1c nh\u00e0 t\u1ed5 ch\u1ee9c k\u1ef3 thi \u0111\u00e3 bu\u1ed9c ph\u1ea3i gi\u1ea3m \u0111i\u1ec3m chu\u1ea9n xu\u1ed1ng ch\u1ec9 c\u00f2n 34%.
\nB\u00e1o c\u00e1o do tr\u01b0\u1edfng ban \u0111\u00e1nh gi\u00e1 m\u00f4n to\u00e1n tr\u00ecnh l\u00ean C\u01a1 quan Qu\u1ea3n l\u00fd Tr\u00ecnh \u0111\u1ed9 Scotland (SQA) cho bi\u1ebft v\u1ea5n \u0111\u1ec1 ch\u00ednh n\u1eb1m \u1edf \u0111\u1ed9 kh\u00f3 chung c\u1ee7a b\u00e0i ki\u1ec3m tra ch\u1ee9 kh\u00f4ng ph\u1ea3i do t\u1eebng b\u00e0i t\u1eadp c\u1ee5 th\u1ec3.
\nTheo b\u00e1o c\u00e1o n\u00e0y, v\u1ea5n \u0111\u1ec1 ch\u00ednh n\u1eb1m \u1edf h\u00ecnh th\u1ee9c t\u1ef1 lu\u1eadn c\u1ee7a \u0111\u1ec1 ki\u1ec3m tra. \u0110\u00e2y l\u00e0 \u0111\u1ec1 ki\u1ec3m tra t\u1ef1 lu\u1eadn \u0111\u1ea7u ti\u00ean \u1edf m\u1ee9c Higher sau nhi\u1ec1u n\u0103m s\u1eed d\u1ee5ng \u0111\u1ec1 thi tr\u1eafc nghi\u1ec7m.
\nB\u00e1o c\u00e1o n\u00e0y c\u0169ng \u0111\u00e3 cho r\u1eb1ng m\u1ed9t b\u00e0i to\u00e1n kh\u00e1c n\u00f3i v\u1ec1 th\u1eddi gian m\u1ed9t con \u1ebfch v\u00e0 m\u1ed9t con c\u00f3c tho\u00e1t kh\u1ecfi m\u1ed9t gi\u1ebfng n\u01b0\u1edbc \u0111\u00e3 \u201c\u0111\u00e1p \u1ee9ng k\u1ef3 v\u1ecdng.\u201d
\nTuy nhi\u00ean, b\u00e1o c\u00e1o n\u00e0y c\u0169ng th\u1eeba nh\u1eadn r\u1eb1ng \u201ck\u1ebft qu\u1ea3 cho th\u1ea5y b\u00e0i to\u00e1n n\u00f3i v\u1ec1 con c\u00e1 s\u1ea5u s\u0103n m\u1ed3i l\u00e0 kh\u00f3 \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c th\u00ed sinh.\u201d
\nB\u00e1o c\u00e1o cho r\u1eb1ng b\u00e0i ki\u1ec3m tra \u201ckh\u00f3 h\u01a1n so v\u1edbi d\u1ef1 \u0111\u1ecbnh \u0111\u1ed1i v\u1edbi c\u00e1c th\u00ed sinh thu\u1ed9c m\u1ecdi tr\u00ecnh \u0111\u1ed9.\u201d
\n\u0110\u1ec1 thi n\u00e0y \u0111\u00e3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi l\u00e0n s\u00f3ng d\u01b0 lu\u1eadn d\u1eef d\u1ed9i tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng sau khi \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c th\u1ef1c hi\u1ec7n v\u00e0o th\u00e1ng 5 v\u1eeba qua.
\nH\u01a1n 14.000 ng\u01b0\u1eddi \u0111\u00e3 k\u00fd 2 \u0111\u01a1n th\u1ec9nh c\u1ea7u c\u00f3 li\u00ean quan t\u1edbi \u0111\u1ec1 ki\u1ec3m tra n\u00e0y tr\u00ean m\u1ea1ng.
\nN\u1ed9i dung c\u1ee7a 2 \u0111\u01a1n n\u00e0y \u0111\u1ec1 ngh\u1ecb C\u01a1 quan Qu\u1ea3n l\u00fd Tr\u00ecnh \u0111\u1ed9 Scotland (SQA) x\u00e9t t\u1edbi \u0111\u1ed9 kh\u00f3 c\u1ee7a b\u00e0i ki\u1ec3m tra khi ti\u1ebfn h\u00e0nh ch\u1ea5m b\u00e0i.
\nM\u1ed9t ph\u00e1t ng\u00f4n vi\u00ean c\u1ee7a SQA cho bi\u1ebft: \u201cCh\u00fang t\u00f4i hi\u1ec3u r\u1eb1ng k\u1ef3 ki\u1ec3m tra l\u00e0 m\u1ed9t kho\u1ea3ng th\u1eddi gian h\u1ebft s\u1ee9c c\u0103ng th\u1eb3ng \u0111\u1ed1i v\u1edbi c\u00e1c em h\u1ecdc sinh c\u0169ng nh\u01b0 c\u00e1c b\u1eadc ph\u1ee5 huynh.\u201d
\n\u201cT\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c n\u0103m tr\u01b0\u1edbc, ch\u00fang t\u00f4i kh\u00f4ng \u0111\u1eb7t ra \u0111i\u1ec3m chu\u1ea9n hay s\u1ed1 \u0111i\u1ec3m c\u1ea7n \u0111\u1ea1t c\u1ee7a t\u1eebng c\u1ea5p h\u1ecdc tr\u01b0\u1edbc khi qu\u00e1 tr\u00ecnh ch\u1ea5m b\u00e0i ho\u00e0n th\u00e0nh v\u00e0o cu\u1ed1i m\u00f9a h\u00e8.\u201d
\nN\u0103m ngo\u00e1i, s\u1ed1 \u0111i\u1ec3m c\u1ea7n \u0111\u1ea1t \u0111\u1ec3 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng C trong b\u00e0i ki\u1ec3m tra n\u00e0y l\u00e0 45%. Trong n\u0103m nay, h\u1ecdc sinh ph\u1ea3i \u0111\u1ea1t \u00edt nh\u1ea5t 34% \u0111\u1ec3 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng C, v\u00e0 60% \u0111\u1ec3 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng A, theo th\u00f4ng tin t\u1eeb SQA.
\nTuy nhi\u00ean, c\u1ef1u tr\u01b0\u1edfng ban \u0111\u00e1nh gi\u00e1 m\u00f4n to\u00e1n Jim Reid, ng\u01b0\u1eddi t\u1eebng ph\u1ee5 tr\u00e1ch t\u1ed5 ch\u1ee9c thi m\u00f4n to\u00e1n t\u1eeb n\u0103m 2012 tr\u1edf v\u1ec1 tr\u01b0\u1edbc, cho bi\u1ebft tr\u00ean BBC Scotland r\u1eb1ng c\u1ea3nh b\u00e1o v\u1ec1 \u0111\u1ec1 ki\u1ec3m tra n\u0103m nay l\u1ebd ra ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u01b0a ra t\u1eeb r\u1ea5t s\u1edbm.
\n\u00d4ng Reid cho bi\u1ebft: \u201cV\u1edbi h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t ch\u00e9o nh\u01b0 hi\u1ec7n nay, ngay t\u1eeb nh\u1eefng giai \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean l\u1ebd ra \u0111\u00e3 ph\u1ea3i c\u00f3 nh\u1eefng c\u1ea3nh b\u00e1o li\u00ean quan t\u1edbi \u0111\u1ec1 thi v\u1ec1 \u0111\u1ed9 kh\u00f3 v\u01b0\u1ee3t r\u1ea5t, r\u1ea5t xa so v\u1edbi ti\u00eau chu\u1ea9n c\u1ee7a b\u00e0i ki\u1ec3m tra \u0111\u00f3.\u201d
\nS\u1ed1 \u0111i\u1ec3m trung b\u00ecnh m\u00f4n to\u00e1n \u0111\u00e3 cho th\u1ea5y \u0111\u1ec1 thi n\u0103m nay c\u1ee7a Scotland kh\u00f3 \u0111\u1ebfn m\u1ee9c n\u00e0o \u0111\u1ed1i v\u1edbi c\u00e1c th\u00ed sinh.
\nT\u00ednh trung b\u00ecnh, c\u00e1c th\u00ed sinh ch\u1ec9 \u0111\u1ea1t \u0111\u01b0\u1ee3c 24,8 \u0111i\u1ec3m tr\u00ean 60 \u0111i\u1ec3m trong b\u00e0i ki\u1ec3m tra \u0111\u1ea7u ti\u00ean v\u00e0 32,1 tr\u00ean 70 \u0111i\u1ec3m trong b\u00e0i th\u1ee9 hai.
\nD\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c c\u00e2u h\u1ecfi kh\u00f3 nh\u1ea5t trong \u0111\u1ec1 thi:<\/p>\n

C\u00e2u h\u1ecfi v\u1ec1 con c\u00e1 s\u1ea5u s\u0103n m\u1ed3i \u0111\u00e3 khi\u1ebfn c\u00e1c h\u1ecdc sinh kh\u00f3c th\u00e9t. (Ngu\u1ed3n: SQA)
\nC\u00e2u 8. M\u1ed9t con c\u00e1 s\u1ea5u \u0111ang r\u00ecnh m\u1ed3i c\u00e1ch n\u00f3 20m v\u1ec1 ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n \u1edf b\u1edd b\u00ean kia c\u1ee7a m\u1ed9t con s\u00f4ng. C\u00e1 s\u1ea5u di chuy\u1ec3n tr\u00ean b\u1edd v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c v\u1edbi d\u01b0\u1edbi n\u01b0\u1edbc.
\nTh\u1eddi gian \u0111\u1ec3 c\u00e1 s\u1ea5u ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c con m\u1ed3i c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng t\u1ed1i thi\u1ec3u n\u1ebfu b\u01a1i t\u1edbi m\u1ed9t \u0111i\u1ec3m nh\u1ea5t \u0111\u1ecbnh, \u0111i\u1ec3m P, c\u00e1ch c\u00e1 s\u1ea5u x m\u00e9t v\u1ec1 ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n \u1edf b\u1edd b\u00ean kia c\u1ee7a con s\u00f4ng nh\u01b0 tr\u00ean s\u01a1 \u0111\u1ed3.
\nTh\u1eddi gian \u0111\u1ec3 c\u00e1 s\u1ea5u di chuy\u1ec3n, T, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb 1\/10 gi\u00e2y
\n(a) (1) T\u00ednh th\u1eddi gian c\u1ea7n thi\u1ebft n\u1ebfu c\u00e1 s\u1ea5u kh\u00f4ng \u0111i tr\u00ean b\u1edd.
\n(2) T\u00ednh th\u1eddi gian c\u1ea7n thi\u1ebft n\u1ebfu c\u00e1 s\u1ea5u b\u01a1i theo \u0111\u01b0\u1eddng ng\u1eafn nh\u1ea5t c\u00f3 th\u1ec3.
\n(b) Gi\u1eefa hai \u0111i\u1ec3m n\u00e0y c\u00f3 m\u1ed9t gi\u00e1 tr\u1ecb x m\u00e0 \u1edf \u0111\u00f3 con c\u00e1 s\u1ea5u t\u1edbi ch\u1ed7 con m\u1ed3i nhanh nh\u1ea5t. T\u00ecm gi\u00e1 tr\u1ecb n\u00e0y c\u1ee7a x v\u00e0 t\u00ednh to\u00e1n th\u1eddi gian ng\u1eafn nh\u1ea5t c\u00f3 th\u1ec3.
\nC\u00e2u 3.<\/p>\n

M\u1ed9t c\u00e2u h\u1ecfi h\u00f3c b\u00faa kh\u00e1c trong b\u00e0i thi. (Ngu\u1ed3n: SQA)
\nM\u1ed9t con \u1ebfch v\u00e0 m\u1ed9t con c\u00f3c r\u01a1i xu\u1ed1ng \u0111\u00e1y gi\u1ebfng s\u00e2u 50 feet.
\nM\u1ed7i ng\u00e0y, con \u1ebfch tr\u00e8o \u0111\u01b0\u1ee3c 32 feet r\u1ed3i ngh\u1ec9 qua \u0111\u00eam. Trong \u0111\u00eam, n\u00f3 tr\u01b0\u1ee3t xu\u1ed1ng 2\/3 chi\u1ec1u cao t\u00ednh t\u1eeb \u0111\u00e1y gi\u1ebfng l\u00ean v\u1ecb tr\u00ed c\u1ee7a n\u00f3.
\nCon c\u00f3c tr\u00e8o \u0111\u01b0\u1ee3c 13 feet m\u1ed7i ng\u00e0y r\u1ed3i m\u1edbi ngh\u1ec9. Qua \u0111\u00eam, n\u00f3 tr\u01b0\u1ee3t xu\u1ed1ng 1\/4 chi\u1ec1u cao t\u00ednh t\u1eeb \u0111\u00e1y gi\u1ebfng l\u00ean v\u1ecb tr\u00ed c\u1ee7a n\u00f3.
\n(a) T\u00ednh t2 \u2013 \u0111\u1ed9 cao c\u1ee7a con c\u00f3c v\u00e0o cu\u1ed1i ng\u00e0y th\u1ee9 2.
\n(b) X\u00e1c \u0111\u1ecbnh xem cu\u1ed1i c\u00f9ng li\u1ec7u c\u00f3 con n\u00e0o tho\u00e1t kh\u1ecfi \u0111\u01b0\u1ee3c gi\u1ebfng hay kh\u00f4ng.\/.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i to\u00e1n n\u00e0y l\u00e0 m\u1ed9t ph\u1ea7n trong \u0111\u1ec1 ki\u1ec3m tra to\u00e1n m\u1edbi \u1edf c\u1ea5p Higher (d\u00e0nh cho h\u1ecdc sinh hai n\u0103m cu\u1ed1i c\u1ea5p 2 \u1edf Scotland, t\u1eeb 15 \u0111\u1ebfn 17… <\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,12],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/4409"}],"collection":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/comments?post=4409"}],"version-history":[{"count":0,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/posts\/4409\/revisions"}],"wp:attachment":[{"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/media?parent=4409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/categories?post=4409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onthitot.com\/wp-json\/wp\/v2\/tags?post=4409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}