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T m ti ng c v n :et, oet- Hi u c n i dung b i:H g m l � �� �� � � � � � ��� � � � �� � c nh p c a Th H N i II. d ng Ph ng to tranh minh ho b i t p c v � �� � � �� � � �� � � � � � �� � ph n luy n n i SGK B ch HVTH III. C c ho t ng 1. n nh t ch c2. Ki m tra � � � � � � � �� � �� � � � b i c - c b i : Hai ch em - Tr l i c u h i : ? V sao c u em th y bu n � � �� � � � � � � � � � � � � khi ng i ch i m t m nh ? 3. B i m ia) Gi i thi u b ib) Luy n t p - GV c to n � � � � � � � � � � � �� � b i m t l n: Gi ng c ch m , ch u m n ng t ngh d sau d u ch m , d u ph y . + � � � � �� � � � � � � � � � � Luy n c ti ng, t : Kh ng l , long lanh, l p l . - GV c m u l n 1 + Luy n� �� � � � � � � �� � � � c c u: - Luy n c t t c c c c u . H ng d n HS ng t h i khi g p d u ph y . -�� � � �� � � � � �� � � � � � � M i c u cho 2 , 3 h c sinh c . + Luy n c o n, to n b i#- HS luy n c - M t� � � �� � �� � � � � � �� � v i HS l n c o n 1 , 2 - Thi c o n 1 , 2 gi a c c l p - C 2, 3 em l m � � �� � � �� � � � � � � � gi m kh o ch m i m . - 1, 2 HS c c b i . ##c) n c c v n: m , p - GV � � � � � �� � � � � � �� �� n u y u c u 1 trong SGK? T m ti ng trong b i c v n m?+ C v n m : n b m � � � � � � � � �� � � �� �� �� bay quanh v n hoa . + C v n p : Gi n m p sai tr u qu #( H g m ) 2 , 3 HS�� � � �� � �� � � � �� thi v i nhau xem ai n i tr c c c u ch a ti ng - HS thi xem ai t c tr c� � �� ��� � � � �� ��� �� c u c v n m - HS thi xem ai t c tr c c u c v n p . + Chi c gi y nh� � � �� �� ��� �� � � � �� � � �� nhi u h t c m + Chim g y l m h t l a r i tr n c nh ng g t . + C c b n nh� � �� � �� � � � � � �� �� � � � � ch i c p c + M b mu i v o p c ##Ti t 2: Luy n t p##d) Luy n c, k t h p � �� � � � � � �� � � � � � �� � � v i t m hi u n i dung b i* T m hi u n i dung b i c GV g i HS c c c o n v� � � � � � � � � �� � �� � � � � tr l i c u h i? H g m l c nh p u ? ? T tr n cao nh n xu ng , m t H � � � � � �� � � �� � �� � � � � � � G m tr ng nh th n o ? - Gi i thi u b c nh minh ho b i H G m. - H G m l�� � � � � � � � � � � � �� � �� � c nh p c a Th . C c em h y xem c c nh ch p c nh H G m o n 3:V sao c u� �� � � �� � � � � � � � �� � � � � em l i th y bu n khi ng i ch i m t m nh?* Ch i tr thi nh n nh , t m c u v n t� � � � � � � � � � � � � � � c nh . - GV n u b i cho c l p : c c em nh n c c b c nh , c t n c nh trong� � �� � � � � � � � � �� � � nh ghi ph a d i v t m c u v n trong b i t c nh . Ai t m c tr c gi � � �� � � � � � � � �� � ��� �� � tay . - GV cho 3 em gi tay u ti n , l n l t m i em c c u v n t v cho � �� � � �� � �� � � � � i m : + C nh trong b c tranh 1 + C nh trong b c tranh 2 + C nh trong b c tranh � � � � � � � � 3 #- 1 v i HS c o n 1( H g m l c nh p H N i ) ( T tr n cao nh n � �� � � � �� � � �� � � � � � � xu ng m t h nh chi c g ng b u d c kh ng l , s ng long lanh ) - M t v i HS � � � � � �� � � � � � � � c o n 2 - M t v i HS c l i c b i . ##4. C ng c d n d . - M i em t m m t �� � � � � �� � � � � � � � � � � b c nh ch p c nh p c a qu h ng ho c c a n c ta . - GV nh n x t gi - V � � � � �� � � �� � � �� � � � � nh c l i b i # o cT ch n: D nh cho a ph ngI. M c ti u * hs hi u : - � �� � � �� �� � � � �� �� � � � Cho HS hi u ch l i c a c y v hoa trong nh tr ng , v n i c ng c ng i v i � � � � � � � �� � � � � �� � i s ng con ng i . * H c sinh c th i :- Bi t b o v v ch m s c c y v hoa �� � �� � � � �� � � � � � � � � trong nh tr ng v n i c ng c ng II. T i li u v ph ng ti n Tranh minh ho - � �� � � � � � � � �� � � n i HS tham quan III. C c h at ng d y v h c Ho t ng 1 : - GV h i : c nh � � � �� � � � � �� � � � tr ng r t m t m i tr ng trong l nh . S n tr ng v n tr ng c a em s ch s �� � � � �� � � �� �� �� � � � tho ng m t ? s n tr ng v n tr ng s ch p em ph i l m g ? K t lu n : Mu n� � �� � �� �� �� � �� � � � � � � l m cho m i tr ng trong l nh c c em ph i ch m t i c y kh ng b c nh , h i � � �� � � � � �� � � � � � hoa . Ho t ng 2 : ? Khi em nh n th y 1 b n b c nh , em ph i l m g ? ? Em � �� � � � � � � � � th y 1 ban tr o l n c y em ph i l m g ? - GV nh n x t tuy n d ng Ho t ng 4 :� � � � � � � � � � �� � �� C ng c d n d - Nh n x t gi #- Cho HS quan s t trong s n tr ng - HS th o � � � � � � � � � �� � lu n , tr l i c u h i ( Em ph i gi g n v sinh v b o v c y ) - HS th o lu n� � � � � � � � � � � � � � � nh m - L p chia l m 2 nh m ( Em ng n b n kh ng n n b c nh c y )( Em ng n b n � � � � � � � � � � � � � kh ng n n l m nh v y ) - i di n nh m l n tr nh b y ###Th ba ng y th ng� � � � � �� � � � � � � � � n m 200 TO NLuy n t p chung I. M c ti u- C ng c cho HS v c ng tr trong� � � � � � � � � � � ph m vi 100 ( c ng tr kh ng nh ) - C ng c v c ch o d i , th i gian - R n� � � � � � � � � � �� � � � cho c c em y u th ch m n to n II. d ng d y h c III. Ho t ng 1. n nh tc � � � � � �� � � � � �� � �� 2. Ki m tra b i c 3. B i m i - Cho HS l m BT B i 1 : HS t l m b i v ch a b i � � � � � � � � � � � � � B i 2 : T nh - HS t l m b i B i 3 : N i ng h v i c u th ch h p - G i 1 s em� � � � � � � �� � � � � � � � [...]... t�p c�c s� ��n 10 ( T1)I M�c ti�u- Gi�p HS c�ng c� v�: - ��m, ��c, vi�t c�c s� trong ph�m vi 10 .- �o �� d�i c�c �o�n th�ngII Ho�t ��ng1 �n ��nh t� ch�c2 Ki�m tra b�i c� 3 B�i m�i a) Gi�i thi�u b�i b) Ho�t ��ng B�i 1( D�nh cho HS y�u): GV n�u y�u c�u c�a b�i: Vi�t c�c s� t� 0 ��n 10 v�o v�ch s� c�a tia s�.b) �i�n s� v�o � tr�ng35 710 96- GV nh�n x�t, ��nh gi�#- HS t� l�m b�i v� ch�a b�i3456 710 9876##B�i 2:... trong ph�m vi 10 0 - K� n�ng so s�nh hai s� trong ph�m vi 10 0 - L�m t�nh c�ng , tr� v�i s� �o �� d�i - C�ng c� k� n�ng gi�i to�n II Ho�t ��ng1 �n ��nh t� ch�c2 Ki�m tra b�i c� 3 B�i m�i a) Gi�i thi�u b�i b) Ho�t ��ng B�i 1 : �i�n d�u : > , < , = B�i 2 : B�i to�n - 1 em l�n b�ng l�m b�i - HS nh�n x�t v� ch�a b�i B�i 3 : Nh�n tranh v� trong s�ch �� ��c �� to�n v� gi�i BT �� - GV thu v� ch�m b�i - 1 em l�n... nh� em y�u th�ch.II Chu�n b�* Gi�o vi�n- M�u ng�i nh� c� trang tr� 1 t� gi�y k� � , h� d�n , th��c k� , b�t ch� - 1 t� gi�y tr�ng l�m n�n* H�c sinh- Gi�y th� c�ng nhi�u m�u, b�t ch�, th��c k�, h� d�n, b�t m�u- 1 t� gi�y tr�ng l�m n�n- V� th� c�ngIII c�c ho�t ��ng 1 B�i c� : GV ki�m tra s� chu�n b� c�a HS 2 B�i m�i : 3 HS th�c h�nh 1 GV h��ng d�n HS quan s�t v� nh�n x�t - GV ��nh h��ng s� ch� � c�a... d�u th�ch h�p v�o ch� chem.8 � 59 � 05 � 33 �.20 � 18 � 84 � 10 7 � 8- GV nh�n x�t ��nh gi�#- HS t� l�m b�i r�i ch�a b�i8 > 59 > 05 > 33 >20 < 18 = 84 < 10 7 < 8##B�i 3: GV cho HS n�u y�u c�u c�a b�ia) 9, 7, 6, 8b) 6, 4, 2, 5- GV nh�n x�t, ��nh gi�#- HS n�u y�u c�u c�a b�i: Khoanh v�o s� l�n nh�t ho�c b� nh�t- HS ch�a b�i, c�c b�n kh�c nh�n x�t b� sunga) Khoanh v�o 9 ( s� l�n nh�t), khoanh v�o 6 ( s�... H�i ��p v� c�c lo�i c�y C�ch th�c hi�n : ? H�nh 1v� g� ? - N�u HS g�p kh� kh�n khi �o�n ra t�n c�y - GV c�n g�i � ho�c gi�i ��p : H�nh 1 v� c�y chu�i , H�nh 2 v� c�y m�t , H�nh 3 v� c�y cau , H�nh 4 v� c�y d�a ) ? C�y g� n�i tr�n m�t n��c , c� th� b�m ra cho l�n ? - GV c� th� ��a cho HS m�t s� �nh c�c lo�i c�y �� c�c nh�m �� nhau #- 1 v�i HS ��c �o�n 1( Lu� tre xanh r� r�o / ng�n tre cong g�ng v�... m�c ti�u- Nghe vi�t kh� th� ��u b�i : Lu� tre - L�m 1 trong 2 b�i t�p : �i�n n hay l v� �i�n d�u ? hay ~ II �� d�ng d�y h�c - B�ng ph� ch�p s�n m�t trong hai b�i t�p III c�c ho�t ��ng1 B�i c� - GV nh�n x�t cho �i�m - GV nh�n x�t 2 B�i m�i a) Gi�i thi�u b) H��ng d�n t�p ch�p - H��ng d�n HS c�ch tr�nh b�y - GV ��c kh� th� th� nh�t b�i Lu� Tre 1 l�n - GV ki�m tra h��ng d�n c�ch vi�t c�c ch� �� -... gi� nh� hay gi� m�nh - S� d�ng v�n t� ri�ng c�a m�nh �� m� t� c�m gi�c khi c� gi� th�i v�o ng��i II �� d�ng C�c h�nh trong b�i 32 SGK M�i HS l�m s�n 1 c�i chong ch�ng III C�c ho�t ��ng ho�t ��ng 1 : L�m vi�c v�i SGK M�c ti�u : * C�c b��c ti�n h�nh : B��c 1 : H��ng d�n HS quan s�t v� tr� l�i c�u h�i ? H�nh n�o cho bi�t tr�i �ang c� gi� ? ? Khi gi� th�i v�o ng��i c� c�m nh�n g� ? ? C�u b� �ang c�y qu�t... H�nh 1 v� c�y chu�i ) - M�t , hai nh�m HS h�i ��p v� c�c lo�i c�y kh�c kh�ng v� trong s�ch kh�ng v� trong s�ch L�n n�y ng��i h�i ph�i n�u m�t ��c �i�m c�a lo�i c�y �� ng��i tr� l�i c� c�n c� x�c ��nh t�n c�y ( C�y b�o ) ##4 C�ng c� d�n d� - HS t�m th�m �nh c�c lo�i c�y v� t�p h�i - ��p v� c�c lo�i c�y �� - GV nh�n x�t gi� - V� nh� ��c l�i b�i #th� c�ngB�i 21: c�t d�n v� trang tr� ng�I nh� ( t1) I... d�ng c�c k� n�ng c�a b�i tr��c V� v�y khi GV h��ng d�n, HS th�c h�nh k�, c�t ngay* K�, c�t th�n nh�- GV g�i � �� HS t� v� l�n m�t tr�i c�a t� gi�y m�u m�t h�nh ch� nh�t c� c�nh d�i 8 �, c�nh ng�n 5 � C�t d�i h�nh ch� nh�t ra kh�i t� gi�y m�u.* K� c�t m�i nh�- GV g�i � �� HS v� l�n m�t tr�i c�a t� gi�y 1 h�nh ch� nh�t c� c�nh d�i 10 � v� c�nh ng�n 3 � v� k� 2 ���ng xi�n 2 b�n nh� h�nh 3, sau �� c�t r�i... �o�n 1 , v�i em ��c �o�n 2 - M�t v�i HS ��c c� b�i - Thi ��c �o�n 1 c�a b�i , c� 3 em l�m gi�m kh�o ##Ti�t 2: Luy�n t�p##d) Luy�n ��c, k�t h�p v�i t�m hi�u n�i dung b�i* T�m hi�u n�i dung b�i ��c.? Sau tr�n m�a r�o m�i th� thay ��i nh� th� n�o ? ? ��c c�u v�n t� c�nh ��n g� sau tr�n m�a r�o ? *Luy�n n�i : �� t�i : Tr� chuy�n v� c�n m�a ? B�n th�ch tr�i m�a hay tr�i n�ng ? #- 2 , 3 HS ��c ��c �o�n 1 trong . 1 , 2 - Thi c o n 1 , 2 gi a c c l p - C 2, 3 em l m � � �� � � �� � � � � � � � gi m kh o ch m i m . - 1, 2 HS c c b i . ##c) n c c v n: m , p - GV � � � � � �� � � � � � �� �� n u y u c u 1. � � 200 to n : n t p c c s n 10 ( T1)I. M c ti u- Gi p HS c ng c v : - m, � � � � � �� � � � � � � �� c, vi t c c s trong ph m vi 10 o d i c c o n th ngII. Ho t ng1. n �� � � � � � �� � � � �. trong ph m vi 10 0 - K n ng so s nh hai s trong � � � � � � � � � � ph m vi 10 0 - L m t nh c ng , tr v i s o d i - C ng c k n ng gi i to n � � � � � � � � �� � � � � � � � II. Ho t ng1. n nh t ch