
calculo mental
Authored by J J
Mathematics
3rd Grade
Used 8+ times

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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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