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calculo mental

Authored by J J

Mathematics

3rd Grade

Used 8+ times

calculo mental
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tenia veinte cromos y he perdido 6 cuatos cromos tengo

14

46

12

15

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

me han regalado 4 sobres de cromos. en cada sobre hay 8 cuaantos cromos hay

12

32

34

78

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

en una caja habia 80 cromos .he regalado 32 cuantos cromos me quedan

54

48

34

89

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tengo 40 cromos,pierdo 12 y me regalan 32 cuantos cromos me quedan

32

54

76

89

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tengo 8 cromos,me regalam 20 ypierdo 5 cuantos cromos me quedan

43

23

56

98

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

70+60

110

130

140

145

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

25+35

46

78

60

80

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