    !"#$%&'#$%( MÔN TOÁN LỚP 6 )*+*,-./0/*"1$234567-+684)*+*,-+*,9:;< Câu 1. (3 điểm) =!*>-2?24@-" ,) A %1 # # − + 0) B %# " ( #(− !) # B CD 5 < " %( %D %1 #D % C5$E(< % % %( F$ #& + − Câu 2.(2 điểm) ,<GHE0*I4" D (H #(J & + = 0<K-+4LMN-+ % # n n + + ./2O-PQ4Q*+*R- 5 <n N∈ Câu 3. (2 điểm) S!*>2T,U%$4M*>V:W-+4X*Y4-+O-/-+4Z9484K![!\6]X-%# 4S-+^T_*.`*PVa4$EBJY44S-+54*;-.`*b*4S-+0N-+$EBJPQ4*;-T,U0,-:cV T/P,V%#4S-+_*4MR<CL*I44)*X-%#4S-+aUE0S!*>22R*4MR!RTQ-.d- .`*./0,9-*eVf Câu 4. (2 điểm) Me-!g-+Y4-h,i42j-+0)!K,4*,9HETk4*,94E9UP,9!9+\!H9U./ +\!TV7-+T/ ¶ $ &(xot = ,< *,94!\-N+*l,,*4*,9HT/9U67-+f 0< *,94!\./4*,2O-+*S!!m,+\!H9U67-+fnGP,9f Câu 5. (1 điểm) 94,+*S!E:*8-N+*l,T/E:*8o-N+*l,T/CS! :9X-4j-+T/o!p4-,VqCQ*oC@-HZ!\0,9-*eV4,+*S!4M9-+ G-Tkf rrrrrrrrrrrrrrrrrrrrrrrrrrsrrrrrrrrrrrrrrrrrrrrrrrrrr ĐỀ CHÍNH THỨC HƯỚNG DẪN CHẤM TOÁN 6 HỌC KỲ II NĂM HỌC 2014 – 2015 Câu N,i dung Điểm Câu 1 (3đ) ,< A %1 # # − + t A %1 # − + t %# # tF $E( $E#( $E#( 0< B %# " ( #(− t B #( C ( %# − t BC5 #(< (C%# − t %$ D − $E( $E#( $E#( !< # B CD 5 < " %( %D %1 #D % C5$E(< % % %( F$ #& + − = CD " #B % B A1 &A C %( & %( F$ #&   −  ÷   − = A &A #& C ( F$ &A − = % A # ( ( =− $E( $E#( $E#( Câu 2 (2đ) ,< D (H #(J & + = % D (H & & = − % (H # − = "( % H # − = % H %$ − = $E#( $E#( $E#( $E#( 0< 9*u./v_!!V-+!m,-w%T/-w#C,!\" # E %n d n d⇒ + +M M 5 #< 5 %< %n n d⇒ + − + = M nxUut%-e--w%T/-w#-+VUe-4Q!g-+-,VC9:\ % # n n + + ./ 2O-PQ4Q*+*R- 5 <n N∈  $E#( $E#( $E#( $E#( Câu 3 (2đ) Q4*;-.`*4M9-+%#4S-+./"%$$$$$$$C$EBJC%#t1F$$$$: % Q4*;-2R*4MR"%$$$$$$$w1F$$$$t%$1F$$$$: % Câu 4 (2đ) rnkG-!@-HS! ,<*,y4-N+*l,,*4*,yHT/yUTG · · $ $ 5&( 1$ <xOt xOy< < $E( $E( 0< nG4*,y4-N+*l,,*4*,yHT/yU-e- ¶ ¶ ¶ $ 1$xot toy xoy+ = = ¶ ¶ $ $ $ $ 1$ 1$ &( &(toy xot⇒ = − = − = ¶ ¶ $ &(xot toy⇒ = = ⇒ 94./4*,2O-+*S!!m,+\!H9UC $E#( $E#( $E#( $E#( Câu 4 (1đ) nkG-:3-+ \(4,+*S![:z-^E!\&4,+*S![:7*^E !\#4,+*S![0,^E!\%4,+*S![-^C a4!R!\%#4,+*S!  $E( $E( * Chú ý: !P*-!\!S!+*R*6S!-IV:3-+!9:*84{-+2c-4vz-+:vz-+C . điểm) 94,+*S!E:*8-N+*l,T/E:*8o-N+*l,T/CS! :9X-4j-+T/o!p4-,VqCQ*oC@-HZ!0,9-*eV4,+*S!4M9-+ G-Tkf rrrrrrrrrrrrrrrrrrrrrrrrrrsrrrrrrrrrrrrrrrrrrrrrrrrrr ĐỀ CHÍNH THỨC HƯỚNG DẪN CHẤM TOÁN 6 HỌC KỲ II NĂM HỌC 2014 – 2015 Câu N,i dung Điểm Câu 1 (3đ) ,< A %1 # # − + t A. !"#$%&'#$%( MÔN TOÁN LỚP 6 )*+*,-./0/*"1$234 56 7-+ 68 4)*+*,-+*,9:;< Câu 1. (3 điểm) =!*>-2?24@-" ,) A. điểm) Me-!g-+Y4-h,i42j-+0)!K,4*,9HETk4*,94E9UP,9!9+!H9U./ +!TV7-+T/ ¶ $ &(xot = ,< *,94!-N+*l,,*4*,9HT/9U 6 7-+f 0< *,94!./4*,2O-+*S!!m,+!H9U 6 7-+fnGP,9f Câu 5. (1 điểm) 94,+*S!E:*8-N+*l,T/E:*8o-N+*l,T/CS! :9X-4j-+T/o!p4-,VqCQ*oC@-HZ!0,9-*eV4,+*S!4M9-+ G-Tkf rrrrrrrrrrrrrrrrrrrrrrrrrrsrrrrrrrrrrrrrrrrrrrrrrrrrr ĐỀ