TC Toan hk2

        Tiết 9 ÔN TẬP QUY TẮC CHUYỂN VẾ I. Mục tiêu 1. Về kiến thức:  !"#$%&"'$(")*+'$("","-"., %/'$("0 2. Về kĩ năng: 12345*+'$("","-".,'$("67("*89%%/ %/ :,!3,8";'$<=%/ "'$("6 3. Về thái độ: >8-"?%,="%@","A"%BC%D8,-%,89/E"-"F"GE38H%,=" I,J"K8L8*8%%-6$9",%@,"M%,3,8%,A",89*+'$(",(" (%'$("3,8N%/ "";'$OPQ II. Chuẩn bị của GV và HS 6>R*L,S 6T$%&"",$KH III. Các hoạt động dạy học 1) Kiểm tra bài cũ. 2) Dạy nội dung bài mới. 41’ %U"GE%,V %U"GE%/D >,8*L WE  %,A"  ,89  ,X  %@, %/ "Y I%,A",89Y WZ;,I8L8%BC[Y >R,F%E";%,K\C *8%,]"-",, E$ )7 E/E*L,0 ^<)<0_[<)<^0 ^<`_[<`^ [_^<``<^ [_< W/]  *L  ,  ,8  a *8  )W  <  0S  b$ "V$    ,8b  "=$  *8 6 R    *8  S  \C *8W< cb$"V$7"-,d \C*8%/,F%6 >J8=%8",e%/L \:8Y W,A",89,X%@,%/ '$("%/ "6 ^<)<0_[<)<^0 ^<^_[<f <_[<f [_<`f [_< =%8",e%/L\:8S>R ,8*L6 8)>g<0)h0 WBC.$b[S*8H% ^<)<0_[<)<^0 ^<^_[<f <_[<f [_<`f [_< 8)W<0)h0 E0H$[<i%,B[i WE"; [<ib 7J"jY 8%-",*8H%BYcb$ "V$%BCBY W@,  ,89$  .  *  %,& *  %,$E  "GE  Ce8  CkE 8L8Y 5C,J-%.%,lY RBEY cb$"V$7"-,d \C*8%/,F%S E$  ;  J8  ,E8    \b *L\C6 7J"jY Wm  .  8KC  "GE  *E  :8nn*N*E ,8b$Y R %Eo";p%,=" Y H$_n_<%,Bo *N*E,8b$Y W/$*B,"U.8KC "GE\6R%Eo ";p%,="Y 7J"j6 5C-8 >,8   !"    *S  %,G \ 8^*6 5CE >,8   !"  f  *S  %,G \ 8^*6 W@,,89$.*%,&* %,$E"GECe8CkE8L8Y 7=  %8  ",e %/L  \:8S  >R ,8*L6 5CE,J-%.%,lSB ,89$  .  *  %,&  <  %,$E 5C  E  "E  ,l  5C %/ "6 E8\b*L%/B,* \:88L8S 8\\C q6 ,8b"=$j*86 N6 ``_ rU%\b*L%@,S 8 \\Cq6 E *   + = [i` [i *0H$[i%,B[<i H$[i%,B [<i< [<i 8)>g<0)h0 89$.*%,&S*%,$E "GECkE8L85C-8\ <^_<)*0 89$.*%,&S*%,$E "GECkE8L85CE\ f<^_s)*0 8)>g<0)h0 W@,%mCU%"-",,!\? E0^`<s<s _)^<s0`)<s0 _<`_< *0```^<< <<^ _)<0`)<0`)< 0`)^<^0 _``` _^ 8)W<0)h0 >J8.8KC"GEnn\V \ !%\En*n"6 WE";E`*`"_ E0R8E_n"_<%E"; `*`)<0_ *_< *_<s *0WE"; E *   + = E`*_6 E`*_ CE`*`"_ `"_ "_< 3) Củng cố (2’) Yb$#$%&"",$KH#$%&"'$("Y %/L\:86 4 )Hướng d#n h%c sinh tự h%c ở nhà (2’) - Rj,J"*8\C*8fSS)>g<0 -  t*87.$86W@,%m"-".%/b*BE/u8",8Ej$_,V ⇒ ,V_Y ⇒ "-",",$K,k,!6 - v\8"-",,d,E8.$b"k'$S3,-"'$6 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<    ^  s  Tiết 10 : BÀI TẬP VỀ NHÂN HAI SỐ NGUYÊN I. Mục tiêu 6Rj38H%,=">8Fw\8"-"38H%,=""l*Lj,d,E8.$bT$8%&",d ,E8.$b 6Rj34512345,d,E8.$b"k'$S,d,E8.$b3,-"'$ 6Rj%,-8UJ"8,";?%,="w%6 II. Chuẩn bị của giáo viên và học sinh. 6,$M*x"GE8-8b8%w",,J"8,6 6,$M*x"GE,J"8,v\8#$%&",d.$b6 III. Tiến trinh bài học. 6g8KC%/E*8"y6 6aU8$*8C86^h %U"GE%,V %U"GE%/D >,8*L ",&"\8#$%&",d ,E8.$b >!8?  * *6*= 78j'$"U%%/ "E$ ;AE"U%"U% K8j"U%^6 cb$"V$7"-,d \C*8%/,F%SE$ 7=%8",e,&"\86 aAE!8?"GE>R\C W6 rU%\b*LS 8\ %,]z8,[X%6 A. Kiến thức cơ bản 2’ 6  T$  %&"  ,d  ,E8  . $b"k'$ 6  T$  %&"  ,d  ,E8  . $b3,-"'$ B. Bài tập 8^)>g<f0)sh0 78j'$O`QnO<O%,@",,! w%/. a'$ "GEE a'$ "GE * a'$ "GE E6* a'$ "GE  E6* ` ` ` ` ;J8CU% \b*L \C6 cb$"V$7,;C\C *8%/,F%SE$; ",  8  89  "-"  ,;C %/B,*,[X%",X6 W,A",89*-"-3H% #$L6 ` < < ` < ` < < < < ` < 8)>g<f0)sh0 78j  .    w  %/.  ", F E <s  -4 f -1 *  -3 < -4 < E6* -90 <f  <  8H%/N   f= S";"D. $b3,-"C*B, , l"GE;"y*N fY I*8K$8{"-".sS S^fS 8%@", "GE  ,E8  .  $b  *N ,E$Y >88%,89$,[X% 7J"jY [";%,K,,|8-%/x Y I-,)<s06[8 %/%Z%/ :,!"GE [Y 7J"jY T$I :  %." #$ ", %,HY W,:88KC !"#$ " , %,HY >8L8%,@",%/W_^S %_6 <6RB  ) 0 f− = ( ) ( ) ( )        s s s    ^f     = = − = = − = = − = [  ";  %,K ,"-"  8-  %/x $b lS$bdCS .6 H$[i%,B)<s06[}6 H$[}%,B)<s06[i6 H$[_%,B)<s06[_ 7J"j6 ,8j$%Z%/-8E ,L8\ ",8j$ l6 ,8j$%Z,L8E%/-8\ ",8j$dC6 W,:88KC,89%8 W,:88KC%/ "< W,:88KCE$` 8)>g<f0)sh0 ( )     f= − = ,[X%B,, l"GE CJ8.j$3,wdC6 8)>g<f0)h0 [  ";  %,K  ,  "-"  8-  %/x $b lS$bdCS .6 H$[i%,B)<s06[}6 H$[}%,B)<s06[i6 H$[_%,B)<s06[_6 8)W<0)h0 E0_^S%_,4E\ :8 ;8%Z%/-8E,L8 %,:88E\E$8:|E6 Rx%/@"GE :8;\ W l  %A  ,I  8L8  %,@", "-",V*S"S%@,"-" 8-%/x% l="GE"-" ,V;Y W/]*L,,8a*8 f6  t"-",*'C .dC%/bC-%@,*+%F86 I~C-%@,K %@,3H%#$L*8fY ,7"-,d\C *8%/,F%SE$; J8CU%\b*L\C6 ,.%\8",,3,8-, "-".$b8,E$6 E\b*L\CS 8 \\Cq6 W,A"  ,,  %,]  a  "GE >R6 W,A",89*-"-3H% #$L6 rU%\b*LS 8\ \Cq6 ^6_3C6 *0^6)<0_<3C "0)<^06_<3C 0)<^06)<0_3C6 8f)>g<f0)sh0 E0)<s06_<s *0f6)<s0_<sf "0)<ff06)<s0_s 8)>g<f0)sh0 E0)<06)<s0i *0)<06)s0})<s06)<0 "0)`f06)`0i)<06)<0 6G".)h0 Y,&"\8#$%&",d,E8.$b"k'$S3,-"'$6 ,&"\86 >",.%\8","-"*8%I",|E6 ^6 t6)h0 •]C\8"-"*8%I",|E6 &C",&"#$%&",d,E8.$b6 <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<        Tiết 11: ÔN TẬP TÍNH CHẤT CỦA PHÉP NHÂN I. Mục tiêu: 6g8H%,="&C|"-"%@,",'%"l*L"GE,X,d8E,-S3H%,!S,d 8S,d,.8"GE,X,d8,X"U6 6g4512\$9345%@,%-S345,*8H%'$"GECU%%@",S345- "w%,="\C*8%6 6W,-8UM%,S",@,[-"S%@","A"%/,J"% II. Chuẩn bị của thầy và trò: 6,$M*x"GEW,VW, "%,pS,'C$ 6,$M*x"GEW/DJ"*8\C*8% III. Tiến trình lên lớp: 1. Kiểm tra bài cũ: 2. Dạy nội dung bài mới: HĐ của thầy HĐ của trò Ghi bảng <€,-%*8K$"-"%@,",'%"GE ,X,d,E8.$bY <,,[X% <>,8%;C%&%"-"%@,",'% \b*L <,&"\8"-"%@,",'% <,[X% <W8H%,$ 6-"%@,",'% E6W@,",'%8E,- E6*_*6E *6W@,",'%3H%,! )E6*06"_E6)*6"0 "6,d8 E6_6E_E 6W@,",'%,d,.8"GE ,X,d8,X"U E6)*`"0_E6*`E6" <,\C*8% W  S  >R ,8  j *8  \b *L <cb$"V$,E8\b*L %/B,*V <W,]z8S, t", H$\C*86 <,,[X% <WBC,8K$,8j*8 <E8\b*L\C  E6)<06)<^0`6)<<0 _6)<^0`6)<0 _6)<^0P6 _6•)<^0P‚ _6)<s0 _< *6)<06)ss<^0P6)^^<0 _)<06P6)<^0 _<ss` _^ <,[X% 8%%/EW W@, E6)<06)<^0`6)<<0 *6)<06)ss<^0P6)^^<0  <,\C*8% W <>,8j*8\b*L <,,E8\b*L%/B, *V <W,]z8S, t", \C <,[X%3H%#$L"-", %/B,*V <WBC,8K$j <>,8j*8 <E8\b*L\C  E6)<^06)`06)<s06)`s06)<0 _•)<^06)`s0‚6•)<s06)<0‚6 _)<06)06 _<6 _< *6)<0)<0P6 _)<06)<0`6)<0 _)<06)<`0 _)<06_< <W8H%,$ 8%/EW W@,,E, E6)<^06)`06)<s06)`s06)<0 *6)<0)<0P6 3. Củng cố. 5’ <,\C*8%f W <W@",",=ECU%.",&). \ƒ0"-"%,ZE.$bdC CE'$BY <,%/L\:8\V\ !% %Z"d$ <,[X% <>,8j*8 <W/L\:8 <7=%8",e%/L\:8 <,[X% <W8H%,$ 8%f%/EW WEo, !". l ,E.dCH$,d E6CU%.dC,E8.  l *6,E8.dCCU%.  l "6,E8.dC,E8. l 6*E.dCCU%. l 4. Hướng dẫn học sinh. (1’) <C*8%^S^%/W <v,V*U8 ""GE.$bK%8H%E$,J" <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< ^     f  Tiết 12: BỘI VÀ ƯỚC CỦA SỐ NGUYÊN I. Mục tiêu: 6g8H%,="&C|"-",%BC*U8"GECU%.$bS !""-"%@,",'% "GE*U8 ""-".$b\C"-"*8%6 6g4512\$9345%@,%-S345-"w%,="\C*8%6 6W,-8UM%,S",@,[-"S%@","A"%/,J"% II. Chuẩn bị: 6,$M*x"GEW,VW, "%,pS,'C$ 6,$M*x"GEW/DJ"*8\C*8% III. Tiến trình lên lớp: 1. Kiểm tra bài cũ: 2. Dạy nội dung bài mới: 39’ HĐ của thầy HĐ của trò Ghi bảng <g,8%,B.$bE  !"  J8  \  *U8  "GE  . $b*Y <g,8.$bE\*U8 "GE.$b*%,B3,8 ;*J8\B"GEEY <W/L\:8 <W/L\:8 <WZ,VgW,&"\8 ,E,j*U8 ""GE .$b <  cb$  "V$  CU%    \b *L8H%"w%,="%m #$-%H"-"%@,",'%"GE *U8    "  "GE  "-"  . $b6 <,,[X% <,\C*8% <  cb$  "V$  ,E8    \b *L%/B,*V <  W,]  z8S  ,   t ",H$\C*8 <.\ ""GECJ8 .$bY <,,[X% <W8H%,$S,8*8 <rU%\b*L <,[X% <7J"j*8,8j <E8\b*L\C C"d$E C"d$* <W/L\:8. <,[X% I. Lí thuyết: 9’ 1. Bội và ước của một số nguyên: g,8E_*6#%,BE\*U8"GE*E#  !"\8*#\ ""GEE 2. Tính chất: )>g%/Ef0 II. Bài tập. 30’ 8%WBC%'%"L"-" ""GE "-".E$ E6<nn<n *6<snn<n^ >8L8 E6<-" ""GE<\n<nn< <-" ""GE\n<nn<n^n <^nn<6 <-" ""GE<\n<nn<6 <-" ""GE\n<nn<6 *6P-" ""GE<s\n<nsn<s6 <-" ""GE\n<nn<nsn <snn<6 <-" ""GE<\n<nn<nn< nn<6 <,[X%",$  $  ?  "-"  "  \  . $bdC <,\C*8% <  cb$  "V$  CU%    \b *L%/B,*V <W,]z8H$\C *8 <,,[X% <,[X%",$C <,\C*8% )j*88H%\b*L,0 <  cb$  "V$  Ce8    \b *L8j,E8"U% %/B,*V"-",%@,6 <,[X%",$ <W8H%,$ <7J"j*8 <rU%\b*L\C <C*8 <,[X% <W8H%,$ <WBC,8K$j <b*L8j <,[X% <W8H%,$ <-" ""GE^\n<nn<nn <n^n<^6 8%WBC*U8"GE"-".n<s >8L8 <-"*U8"GE\nn<n^n<^n n<666 <-"*U8"GE<s\nsn<snn< 666 8%78j",e%/.", F E ^  <  f * < <s   < E* s < 3. Củng cố. 5’ <-",%BC*U8"-", %BC ""GECU%. $b6 <WBC[S*8H%s[_<s <W/L\:8 <WBC[ 8%^WBC.$b[S*8H% s[_<s [_)<s0s [_<s 4. Hướng dẫn. (1’) <v%\8%*U38H%,="%/", l„„        Tiết 13: ÔN TẬP VỀ GÓC. KHI NÀO · · · xOy yOz xOz + = I. Mục tiêu: 6Rj38H%,=",8K$;"\BS;"*…%\BS,8K$j8KCNC%/;"6 6Rj345 < - !"38H%,="3,8;"NC8|E,E8;"89"%@,."GE;"6 < *8H%o;"S"w,Ce8;"";CU%.[-"x,S."*…%*NU6 6Rj%,-8U"8,";?%,="w%6 II. Chuẩn bị của giáo viên và học sinh: 6"GE>RU8$"Vw%6 6"GE-"38H%,="j;""U,E8;"6 III. Tiến trình lên lớp. 1. Kiểm tra bài cũ. 2. Dạy nội dung bài mới. 41’ %U"GE8-8b %U"GE, >,8*L 8Ro;"[†E",f  }[†}   6o%8E†%NC%/;"[†6 E6W8‡,†";*E,8b$;";\ ,|;"YI8H%3@,89$"GE %Z;"6 *6ak%, ";"K[-"x,. "GECe8;";*N*E,8b$UY ˆ>8-8b, t67K;"%E k"BY <R8H%"-";"%E3@,89$/EEY <cb$"V$,J"8,J""-";"6 8,,B,o   <q,B,*b%E";*E,8b$;";\ ,|;"YI[-"x,. "GE%Z;"Y < t%8‡,SS%E";C' ;";\;"Y IJ"%b"-";";6 <C$.[-"x,U\"GE;"%E\C , %,HY <>8-8b~E",|EE;%$.& ,J"8,8,%,E%-"6 8b$"V$,J"8,J"j*8 %/E6 < t <,,J"8,o\8,B,J"%b "-";"%/,B,o6 <J"8,J"j*8 %-6 <W/L\:8"-"b$"V$"GE *8%-6 <W,]z8, t "GE8-8b\b *L8L8*86 <J"8,J"j*8 %-6 <W/L\:8"-"b$"V$"GE *8%-6 <W,]z8, t "GE8-8b\b *L8L8*86 <J"8,J"j*8 %-6 <W/L\:8"-"b$"V$"GE *8%-6 86h [% † E6W8‡,†"; ;"[†n[†%n%† *6 86h B,o";;" nn 86^h E8%8ErS.8 ,E$b;"r_   6,E8;"r€ €3j*kb;"