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Calculo mental

Authored by Profesora Jacinto

Mathematics

3rd - 4th Grade

Used 76+ times

Calculo mental
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10 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

36 + 9 =

20

45

43

50

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

¿Cuánto le falta a 85 para llegar a 100?

20

30

12

15

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

55 - 10 =

40

43

45

46

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

370 - 100

270

260

275

200

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

68 + 22=

80

100

90

70

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

90 - 11 =

78

70

80

79

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

¿Qué número sigue en esta serie? 43, 46. 49, ___

52

50

53

49

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