FISA DE LUCRU ORDINEA EFECTUARII OPERATIILOR CLASA A III-A
1) Calculați, respectând regulile învățate.
a) 25-8:4=
50:10x7=
b) 36+21:7+15=
64-35:5-32=
c) (24-12:2x0)+ (7x8- 8x4)=
(64:8+2) : (36:6+4)=
d) (24:4)+(10x5)+(100x0)=
95-6x8+20=
95-6x8+20=
8x25+9x63=\
2) Calculati, respectand regulile invatate. Ce observati?
3x6+3
3x(6+3)=
10x5-2
10x(5-2)=
21:3+4
21: (3+4)=
3x(6+3)=
10x5-2
10x(5-2)=
21:3+4
21: (3+4)=
FISA 1
1) 36-(2x9)+45=
2) (5x5+5x7)-(8x4+2x9)=
3) 65-(2x4-8)=
4) 8x25+9x63=
5) (4x9-7x5)x(7x4-3x9)=
6) 95-6x8+20=
7) 20-5x2=
8) 84-(3x3x6)=
FISA 2
1) 45+(8x2)=
2) (4x9-7x5)x(7x4-3x9)=
3) 71-(2x3x4) =
4) 95-6x8+20=
5) (5x5+5x7)-(8x4+2x9)=
6) 8x25+9x63=
7) 38+9x2=
8) 93-(6x1x8)=
FISA 3
1) 38+9x2=
2) (9x4-3x8)+(5x4-3x3)=
3) 84-(3x3x6)=
4) (24:4)+(10x5)+(100x0)=
5) (85-79)x5+2
6) (64:8+2) : (36:6+4)=
7) 36-(2x9)+45=
8) 65-(2x4-8)=
TESTUL 4
1) 20-5x2=
2) (85-79)x5+2x9=
3) 93-(6x1x8)
4) (64:8+2) : (36:6+4)=
5) (9x4-3x8)+(5x4-3x3)=
6) (24:4)+(10x5)+(100x0)=
7) 45+(8x2)=
8) 71-(2x3x9)=