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calcula mental

Authored by Cristina Prado

Mathematics

2nd Grade

Used 106+ times

calcula mental
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20 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

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Calcula mentalmente el número correspondiente :

Los picos de cuatro pájaros

8

4

12

16

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

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Las alas de seis palomas

6

18

12

10

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

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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

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4 decenas y 8 unidades

84

480

48

804

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

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Faltan 5 unidades para tener 60

65

560

55

605

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