fisa.lucru_.matem_.1
TRANSCRIPT
1. Completează tabelul:
a 7 4 8 9 6 5 3 2 7
b 2 3 2 1 3 0 2 1 3
a + b 9
a -b 5
2. Adevărat sau fals? ( A, F )
3 + 1 = 2 + 2 .......... 6 – 2 = 3 + 2 ......... 4 – 3 = 5 – 2 .......... 1 + 1 = 2 – 1 ......... 7 – 2 = 3 + 2 .......... 8 + 2 = 9 + 1 .......... 9 – 1 = 7 + 1 .......... 3 – 3 = 1 – 1 ..........
1. Completează tabelul:
a 7 4 8 9 6 5 3 2 7
b 2 3 2 1 3 0 2 1 3
a + b 9
a -b 5
2. Adevărat sau fals? ( A, F )
3 + 1 = 2 + 2 .......... 6 – 2 = 3 + 2 ......... 4 – 3 = 5 – 2 .......... 1 + 1 = 2 – 1 ......... 7 – 2 = 3 + 2 .......... 8 + 2 = 9 + 1 .......... 9 – 1 = 7 + 1 .......... 3 – 3 = 1 – 1 ..........
1. Completează tabelul:
a 7 4 8 9 6 5 3 2 7
b 2 3 2 1 3 0 2 1 3
a + b 9
a -b 5
2. Adevărat sau fals? ( A, F )
3 + 1 = 2 + 2 .......... 6 – 2 = 3 + 2 ......... 4 – 3 = 5 – 2 .......... 1 + 1 = 2 – 1 ......... 7 – 2 = 3 + 2 .......... 8 + 2 = 9 + 1 .......... 9 – 1 = 7 + 1 .......... 3 – 3 = 1 – 1 ..........
3. + sau -7 .... 2 = 9 3 2 = 1 1 3 = 4 5 2 + 3
1. Completează tabelul:
a 7 4 8 9 6 5 3 2 7
b 2 3 2 1 3 0 2 1 3
a + b 9
a -b 5
2. Adevărat sau fals? ( A, F )
3 + 1 = 2 + 2 .......... 6 – 2 = 3 + 2 ......... 4 – 3 = 5 – 2 .......... 1 + 1 = 2 – 1 ......... 7 – 2 = 3 + 2 .......... 8 + 2 = 9 + 1 .......... 9 – 1 = 7 + 1 .......... 3 – 3 = 1 – 1 ..........
3. + sau -7 .... 2 = 9 3 2 = 1 1 3 = 4 5 2 + 3