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Cálculo mental

Authored by Cynthia Escamilla

Mathematics

1st Grade

Used 49+ times

Cálculo mental
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

38 más 23:

61

40

2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

3/4 más 4/8:

10/8, 5/4 o 1 1/4

6/2, 2/5 o 1

12/5, 5/3 o 1 1/3

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Convierte 2/5 en número decimal:

.40

1.2

.90

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cuánto es 9 al cuadrado:

81

27

18

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Tercera parte de 39:

13

15

11

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

10% de 90:

900

9

.9

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

1/2 de 2/4:

4/4

2

4/2

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