
Cálculo mental 20
Authored by Leticia Mejía
Mathematics
10th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
(5x100) + ( 10x9)=
59
590
900
950
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
(2x8) + ( 9x3)=
41
42
43
44
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
El doble de 18 menos 12=
27
26
25
24
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1/2 de 48 menos 11=
13
14
12
11
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1/3 de 9 más 150=
156
153
150
159
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
900- 480=
459
440
430
420
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
10.2 + 23. 40=
33.60
33.42
33.24
33.06
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