met vuong( mau g.an dung de day bang may chieu

Toán   Mét vuông  !"#$%%&' () Mục tiêu: * +',!-./!0.#1) * 234!.567',!847'  8)+.56'  9'  )+5:.; .<='  %'  4'  ) * >?@1&A41B?413?) +) Chuẩn bị: * >C >4'?4DEFG'4E5H) * I  >4!H J) Các hoạt động dạy học chủ yếu Hoạt động của thầy Hoạt động của trò Hoạt động 1: * K.0 * ;'L%MNO“Đề-xi-mét vuông” • L5:?P'3QR • '  -#1S%Q!T-% R • 2U*B*',!!V-QR * 2UF16E!WX' • YZ'  9)))))))))))))'   • [Y'  9)))))))))))))'   • '  9)))))))))))))'   * AB, >:#':J?P'.\.563?./!0 .#15.U*B*',!]'  ^4BG**', !]'  ^)I'%4_D?P'Q' ;'-./!0.#1':.T-', !]'  ^) +':Mét vuông Hoạt động 2: IQNJ?`4a-:E * ./!0.#1-.U*B*',!! BG**',!5b%cD./!0.# 1M?-',!) * =?!VS%./!0.U*B*',!! BG**',!P'T;!V./!0. ',!R * JBP'Q!T.d?-' I? 2U*B*',! '  -#1S%Q!T -' '  YZ'  9YZ'   [Y'  9[Y'   '  9'   eVP CV-'  * IfIQ!T.d?-'#1 -%R * >:# • '  -#1S%Q!T.d? g%R * Jh%?Q!T#1'  .56 %Q!fT.d?- ' IQ!T.d?- '#1-'  '  -#1S%Q!T .d?g' ' * If • 'Qgg%.U*B*',R • CAS%Q!fg%'R • i#1S%Q!f-%R • IQ!-:.56%%Q !f].dT'^R • 2;Q'56#1S%Q!f% -'QR • i#1S%Q!f-%R • CA'  g%.U*B*',!R * CA'  g'  * C'  9'  * >33.3-E: Hoạt động 3: * IQNJ?`4a-:E) +LYCP'j]Lc/FG'Lk 5H^) * >3.3 jChín trăm chín mươi mét vuông  990m 2 * I3-'!EAE 'g' +g' +g'  LQ FQ!fTXa- B9]Q^ eX#1S%Q!f `!: '  '  9'   23 23 C J1LG'1 '5/ ',! ll'  I%QMLG' -G'',! 2005m 2 Một nghìn chín trăm tám mươi mét vuông l'  Tám nghìn sáu trăm đề-xi-mét vuông Y'  '  ' ' * Jm%4AB, +AELY#) * >3.3) CF16E!WX' * J-'dNX * `B,4m%-W +LY>a?c-b!G * >3.3.U * I5:j-' • 2UQR • 2UfQR • 2;-?U5b%.\n@%! %R • W!Tg%R • 2;1#1GEc%Ea-'5 R 2;Q'#1'd!%-'R Tóm tắt: e?GEc! I%  '5/  ?'  Q 1  LG'  '5b  'd BG**',! 28911m 2 '  9'  '  9'  '  9'  '  9'  CH La-b) JGEcT#1% ',!R 2;-?U5b%.\n@ ! W!Tg' eX#1S%!` !:F!.\o.;-? U) eX!`!: !) >a i#1S%!- B9l]'  ^ i#1S%%Ec- lB9]'  ^ '  9'  2?EF'   J!' i#1GEcp'  R9p'  R * Ia!!H * AB,4m% Hoạt động 4: '  -#1S%Q!T-% R * '  XE%'  !XE%'  R .%(%4%.k) * '  9p'   * '  9p'   Hoạt động 5: * AB,45/) * qP'- * J&0EP“ Nhân một số với một tổng” '  -#1S%Q!T -' '  XE-'  !XE -'  '  9'   '  9'   r4p)?p)G' >?!5:j s0It2#E . 234!.567',!847'  8)+.56'  9'  )+5:.; .<='  %'  4'  ) * >?@1&A41B?413?) +) Chuẩn bị: * >C >4'?4DEF G& apos;4E5H) * I  >4!H J) Các hoạt động dạy. IQNJ?`4a-:E) +LYCP'j]Lc/F G& apos;Lk 5H^) * >3.3 jChín trăm chín mươi mét vuông  990m 2 * I3-'!EAE ' g ' +g ' +g '  LQ . C J1LG'1 '5/ ',! ll'  I%QMLG' - G& apos;',! 2005m 2 Một nghìn chín trăm tám mươi mét vuông l'  Tám nghìn sáu trăm đề-xi-mét