DEPARTAMENTO DE MATEMTICA

ESCUELA SERGIO MARTN ALAMOS

GUA OPERATORIA DE MATEMTICA 3 BSICO

NOMBRE (____) ___________________________________CURSO: 3 BSICO __ FECHA: ___/___/ ___

OBJETIVO: Operatoria de clculo mental en adicin y sustraccin.

1.70 + 23=

2.5 + 53=

3.19 + 5=

4.32 + 70=

5.76 + 30=

6.32 + 63=

7.38 + 30=

8.54 + 37=

9.56 + 23 =

10.77 + 22=

11.14 + 14=

12.32 + 32=

13.65 + 3=

14.37 + 9=

15.56 + 10=

16.32 + 45=

17.63 + 6=

18.24 + 24 =

19.21 + 54=

20.46 + 63=

21.67 + 40 =

22.43 + 12=

23.58 + 20 =

24.32 + 14=

25.60 + 13=

26.20 + 43=

27.54 + 32=

28.98 + 0 =

29.1 + 69=

30.35 + 50=

31.63 + 5=

32.18 - 12=

33.70 - 70 =

34.25 - 20=

35.18 8 =

36.14 - 10=

37.43 - 2=

38.48 - 13=

39.52 -30=

40.20 - 20 =

41.43 - 33=

42.87 - 6=

43.90 - 50=

44.45 - 5=

45.21 - 11=

46.53 - 20=

47.46 - 12=

48.76 - 32=

49.17 - 13=

50.65 - 15=

51.55 - 51=

52.43 - 12=

53.23 - 20=

54.17 - 2=

55.67 - 10=

56.34 23=

57.80 - 10=

58.39 - 27=

59.78 - 30 =

60.23 - 22=

NOTA:

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