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SECVENŢELE
LECŢIEI
CM.
SP.
CON INUTUL INSTRUCTIV-EDUCATIVȚ METODE ŞI
PROCEDEE
EVALUARE
FORMATIVĂ
1. Moment
organizatoric
(2 min)
2. Verificarea
cuno tintelor i aș ș
temei
(10 min)
3. Anunţarea temei
şi a obiectivelor
lectiei
(2min)
4. Reactualizarea
no iunilorț
teoretice
10 min
C1
C2
C3
Se asigură condiţiile optime pentru desfăşurarea
activităţii. Elevii îşi pregătesc materialele
necesare.
Se verifică frontal temele scrise, făcând eventual
observa ii, iar dacă există exerci ii nefinalizate,ț ț
se sugerează elevilor metoda de rezolvare
Ce numim număr întreg?
Cum se face adunarea/scăderea numerelor
întregi?
Cum se face înmul irea/împăr irea numerelorț ț
întregi?
Fi ă de lucru Anexa 1ș
În această oră vom învă a Puterea unui numărț
întreg cu exponent natural i reguli de calcul cuș
puteri
Elevii vor răspund la întrebări:
P: Ce înţelegem prin puterea n, a unui număr
întreg a?
E: Puterea a n-a, a lui a este : an
= a∙a∙a∙…∙a, a
se numeşte bază , iar n se numeşte exponent
P: Dacă baza este un număr pozitiv, ce putem
spune despre putere?
E: Puterea este un număr pozitiv oricare ar fi
Conversaţia
Conversaţia
Explicatia
Conversaţia
Explicatia
Conversaţia
Exerciţiul
- interesul elevilor
- utilizarea adecvată
a limbajului de
specialitate
- apreciere orală
- realizarea
corespunzătoa
re a sarcinii
- apreciere orală
- implicarea
elevilor în lecţie
5. Fixarea
cunoştinţelor
anterioare
(10 min)
6. realizarea
feedback-ului
(15 min)
7. Anuntarea temei
pentru acasa
( 1 min)
exponentul
P: Dar dacă baza este un număr negativ, ce putem
spune despre putere?
E: Dacă baza este un număr negativ atunci există
situaţiile:
1. dacă exponentul este un număr par,
atunci puterea este un număr pozitiv;
2. dacă exponentul este un număr impar,
atunci puterea este un număr negativ;
P: Care sunt regulile de calcul cu puteri?
E: Regulile de calcul cu puteri sunt următoarele:
1. am
∙ an
= am+n
, a∈Z, m,n∈N;
2. am
: an
= am - n
, a∈Z, m,n∈N, m ≥ n;
3. (am
)n
= am∙n
, a∈Z, m,n∈N;
4. (a ∙ b)n
= an
∙ bn
, a,b∈Z, n∈N;
5. (a : b)n
= an
: bn
, a,b∈Z, b≠0, n∈N;
Fi ă de lucru Anexa 2ș
Fi ă de lucru Anexa 3ș ”Unde e gre eala?”ș
Fi ă de lucru Anexa 4ș ”Dictare matematică”
Fi ă de lucru Anexa 5ș ”Observă iș
completează!”
Tema pentru acasa

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Secvenţele lecţiei 6 puteri

  • 1. SECVENŢELE LECŢIEI CM. SP. CON INUTUL INSTRUCTIV-EDUCATIVȚ METODE ŞI PROCEDEE EVALUARE FORMATIVĂ 1. Moment organizatoric (2 min) 2. Verificarea cuno tintelor i aș ș temei (10 min) 3. Anunţarea temei şi a obiectivelor lectiei (2min) 4. Reactualizarea no iunilorț teoretice 10 min C1 C2 C3 Se asigură condiţiile optime pentru desfăşurarea activităţii. Elevii îşi pregătesc materialele necesare. Se verifică frontal temele scrise, făcând eventual observa ii, iar dacă există exerci ii nefinalizate,ț ț se sugerează elevilor metoda de rezolvare Ce numim număr întreg? Cum se face adunarea/scăderea numerelor întregi? Cum se face înmul irea/împăr irea numerelorț ț întregi? Fi ă de lucru Anexa 1ș În această oră vom învă a Puterea unui numărț întreg cu exponent natural i reguli de calcul cuș puteri Elevii vor răspund la întrebări: P: Ce înţelegem prin puterea n, a unui număr întreg a? E: Puterea a n-a, a lui a este : an = a∙a∙a∙…∙a, a se numeşte bază , iar n se numeşte exponent P: Dacă baza este un număr pozitiv, ce putem spune despre putere? E: Puterea este un număr pozitiv oricare ar fi Conversaţia Conversaţia Explicatia Conversaţia Explicatia Conversaţia Exerciţiul - interesul elevilor - utilizarea adecvată a limbajului de specialitate - apreciere orală - realizarea corespunzătoa re a sarcinii - apreciere orală - implicarea elevilor în lecţie
  • 2. 5. Fixarea cunoştinţelor anterioare (10 min) 6. realizarea feedback-ului (15 min) 7. Anuntarea temei pentru acasa ( 1 min) exponentul P: Dar dacă baza este un număr negativ, ce putem spune despre putere? E: Dacă baza este un număr negativ atunci există situaţiile: 1. dacă exponentul este un număr par, atunci puterea este un număr pozitiv; 2. dacă exponentul este un număr impar, atunci puterea este un număr negativ; P: Care sunt regulile de calcul cu puteri? E: Regulile de calcul cu puteri sunt următoarele: 1. am ∙ an = am+n , a∈Z, m,n∈N; 2. am : an = am - n , a∈Z, m,n∈N, m ≥ n; 3. (am )n = am∙n , a∈Z, m,n∈N; 4. (a ∙ b)n = an ∙ bn , a,b∈Z, n∈N; 5. (a : b)n = an : bn , a,b∈Z, b≠0, n∈N; Fi ă de lucru Anexa 2ș Fi ă de lucru Anexa 3ș ”Unde e gre eala?”ș Fi ă de lucru Anexa 4ș ”Dictare matematică” Fi ă de lucru Anexa 5ș ”Observă iș completează!” Tema pentru acasa