calcula mental
Authored by Cristina Prado
Mathematics
2nd Grade
Used 106+ times
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20 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Calcula mentalmente el número correspondiente :
Los picos de cuatro pájaros
8
4
12
16
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Las alas de seis palomas
6
18
12
10
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dos decenas de tomates
12
20
30
24
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Dos números antes de 40
38
48
36
39
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Faltan 2 unidades para tener 15
14
10
17
13
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
4 decenas y 8 unidades
84
480
48
804
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Faltan 5 unidades para tener 60
65
560
55
605
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