habilidad operativa

1. 2
EdicionesCorefo
FICHASCOREFONET
Fichas nivel cero
Razonamiento matemático 1 - Secundaria
a. 12 × 5 =
b. 13 × 5 =
c. 123 × 5 =
d. 11 × 5 + 14 × 5 = + =
a. 12 × 9 =
b. 32 × 99 =
c. 99 × 45 =
d. 11 × 99 + 99 × 13 = + =
a. 999 × 123 =
b. 245 × 99 =
c. 11 × 99 + 5 × 99 =
d. 12 × 99 – 11 × 99 =
a. 15 × 11 =
b. 28 × 11 =
c. 124 × 11 =
d. 1234 × 11 – 1231 × 11 =
a. 24 × 26 =
b. 18 × 15 =
c. 32 × 20 =
d. 28 × 53 =
a. (14)2 =
b. (32)2 =
c. (41)2 =
d. (52)2 – (51)2 =
a. (45)2 =
b. (85)2 =
c. (95)2 =
d. (75)2 – (65)2 =
Habilidad operativa
• En cada caso, calcular:
9. Calcula "A + B", si: A = 36 × 11 y B = 47 × 5
10. Calcula "A + 1", si: A = 34 × 12
11. Calcula "A - B", si: A = 24 × 12 y B = 12 × 13
12. Calcula "A + B", si: A = 152 y B = 452
13. Calcula "S – P", si: S = 23 × 11 + 352 y P = 72 × 5
14. Calcula: N = 652 + 57 × 11
15. Calcula "P + Q", si: P = 352 + 38 × 11 y Q = 21 × 34
16. Calcula: P = 212 + 14 × 11
17. Calcula "P + S", si: P = 82 × 11 y S = 352 × 99
18. Calcula: P = 852 – 17 × 22
19. Calcula: S = 152 + 15 × 5
20. Calcula: P = 132 + 142
21. Calcula: Q = 3 521 × 999
22. Calcula: P = 102 + 952
23. Calcula: P = 852 – 752
24. Calcula: A2 + 2B - C
Si: 11 × A = 187
(B)2 = 2 025
11 x C = 341
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a. 25 × 11 + (35)2 =
b. 9 × 18 – 9 × 17 =
c. 32 × 31 – 31 =
d. (25)2 – (12)2 – (13)2 =
8.