Bài soạn ĐÊ KSCL HỌC KỲ I Toán 6,7 ,8

 ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 7 Thời gian: 90 phút ( Không kể thời gian phát đề) Đề ra:   ( ) ( )    − × −    −       −=+ xa     x − =    x y z    zyx == ! "x y z + − = #$%&'(!)*+,&-.   /0 &'  :( 4đ) 12,31!4,-35!637!4,,(!81-79:;<,=, !4,,(!81-.%>?@A4,B,CDE=,<1!8?32 237F@ 1G,∆37F∆@7 1G,3HH@7  · BAH F )  · ACB FI JJJJJJJJJJJJJJJJJJJJ ĐÁP ÁN VÀ BIỂU ĐIỂM SƠ LƯỢC: Bài 1: KL) Bài 2MH) MH  Bài 3H b/(2đ) D H C B A NC!O&'.)F PQ!>.R.;S.T9$,!T/OJJJJJJJJJJJJJ) U2T(   x y = ⇒         x y x y+ = = = = + JJJJJJJJJJJJJ) @2( ( )   )  x x m= ⇒ = =  ( )     x x m= ⇒ = = JJJJJJJJJJJJJ) V'>/0&'.)F)   JJJJJJJJJJJJJ)  Bài 4:( 4) 7!6)VPWX) YZ,37!@7( 37F@, · · ) [)AHB DBH= =   71,  @2(    AHB DBH c g c∆ =∆ ( AHB DBH∆ =∆ ⇒  · · ABH DHB=  ,(\!]92.U92,  V'>3HH@7  · · ) )  BAH CAH= ⇒ = V'>^31F )  JJJJJJJJJJJJJJJJJJJJ ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 6 Thời gian: 90 phút ( Không kể thời gian phát đề)  _ : ` ; a : a EU b Ec b c b : b 2 b : `     "  −   )) dd)) +       d − − / ) ) ( (  "   + + − + −  _ : ` c _  x : b         d      a x b x c x − = + = − + =  _ : ` 92,4 a 4 ` 2 a e4 a  ` 2 a A4 b dA: b E _ ," _ , [ _ ,: _ !; _  ` : b 4 b 2 a A4 b df _ 92,A2 ` ,; _ ): b ))U c b 4 b 2 a A4 b dA,2 a e4 a   _  : ` 9: Ox . b >: ` 3! _ 22g3Fd5gF 92,: ` g535: `  _ 2f _ ,; h : ` 2 _ . a IVc _ 2I e: ` 32 b . _ 9,: `  ` 2 a f ` ,gA4,IVc _ 2  _ : ` c _ 4 b ; a :2 b c b f _ ,))i1XNf _ , JJJJJJJJJJJJJJJJJJJJJJJ7: b JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 6 Thời gian: 90 phút ( Không kể thời gian phát đề)  _ : ` ; a : a EU b Ec b c b : b 2 b : `     "  −   )) dd)) +       d  − − / ) ) ( (  "   + + − + −  _ : ` c _  x : b         d      a x b x c x − = + = − + =  _ : ` 92,4 a 4 ` 2 a e4 a  ` 2 a A4 b dA: b E _ ," _ , [ _ ,: _ !; _  ` : b 4 b 2 a A4 b df _ 92,A2 ` ,; _ ): b ))U c b 4 b 2 a A4 b dA,2 a e4 a   _  : ` 9: Ox . b >: ` 3! _ 22g3Fd5gF 92,: ` g535: `  _ 2f _ ,; h : ` 2 _ . a IVc _ 2I e: ` 32 b . _ 9,: `  ` 2 a f ` ,gA4,IVc _ 2  _ : ` c _ 4 b ; a :2 b c b f _ ,))i1XNf _ , JJJJJJJJJJJJJJJJJJJJJJJ7: b JJJJJJJJJJJJJJJJJJJJJJJJJJ ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 7 Thời gian: 90 phút ( Không kể thời gian phát đề) : `  ( ) ( )    − × −    −  : `  x      −=+ xa     x − = : `    x y z    zyx == ! "x y z + − = #$%&'(!)*+,&-.   /0 &'  :( : ` 12,31!4,-35!637!4,,(!81-79: ;<,=,!4,,(!81-.%>?@A4,B,CDE=,<1!8 ?32237F@ 1G,∆37F∆@7 1G,3HH@7  · BAH F )  · ACB FI JJJJJJJJJJJJJJJJJJJJ ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 7 Thời gian: 90 phút ( Không kể thời gian phát đề) : `  ( ) ( )    − × −    −  : `  x      −=+ xa     x − = : `    x y z    zyx == ! "x y z + − = #$%&'(!)*+,&-.   /0 &'  :( 4điê ̉ m) 12,31!4,-35!637!4,,(!81-79: ;<,=,!4,,(!81-.%>?@A4,B,CDE=,<1!8 ?32237F@ 1G,∆37F∆@7 1G,3HH@7  · BAH F )  · ACB FI JJJJJJJJJJJJJJJJJJJJ ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 8 Thời gian: 90 phút ( Không kể thời gian phát đề)  _ : ` jc b  b ; b  _ ; `               a x y xy b x xy y c x y z xy − − + + − −  _ : ` c _  x U2 a ! _  b : b        a b a ab x a ab a b − + = − −  _ : ` 12: ` ; b   d  a a P a a + = + − +  c _  a : ` j b  a  k b ,2 a j c _  a ,>:: ` j a , b 9 a ,>:  _  : ` 12, b 313F319:;l _ ,f ` ,mc ` 3! _ 2,2,!l b 1. b >: ` #! _ N223. _ 9,: `  ` #N# _ ,4 a  ; ` f a Ef ` ,l _ 31P2 a 7nW. _ .;l a . _ 9,: `  `  b  a #1! _ 1N ; b , b #N1. _ c _ ,c _ I a 2I 1; b ,; b , b 37nW. _ c _ 2I JJJJJJJJJJJJJJJJJJ7: b JJJJJJJJJJJJJJJJJJJ ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 8 Thời gian: 90 phút ( Không kể thời gian phát đề)  _ : ` jc b  b ; b  _ ; `               a x y xy b x xy y c x y z xy − − + + − −  _ : ` c _  x U2 a ! _  b : b        a b a ab x a ab a b − + = − −  _ : ` 12: ` ; b   d  a a P a a + = + − +  c _  a : ` j b  a  k b ,2 a j c _  a ,>:: ` j a , b 9 a ,>:  _  : ` 12, b 313F319:;l _ ,f ` ,mc ` 3! _  2,2,!l b 1. b >: ` #! _ N223. _ 9,: `  ` #N# _ ,4 a  ; ` f a Ef ` ,l _ 31P2 a 7nW. _ .;l a . _ 9,: `  `  b  a #1! _ 1N ; b , b #N1. _ c _ ,c _ I a 2I 1; b ,; b , b 37nW. _ c _ 2I JJJJJJJJJJJJJJJJJJ7: b JJJJJJJJJJJJJJJJJJJ . F I JJJJJJJJJJJJJJJJJJJJ ĐÁP ÁN VÀ BIỂU I M SƠ LƯỢC: B i 1: KL)  B i 2MH) MH  B i 3H. F )  · ACB F I JJJJJJJJJJJJJJJJJJJJ ĐỀ KIỂM TRA HỌC KÌ I MÔN: TOÁN 7 Th i gian: 90 phút ( Không kể th i gian phát đề) : `