
PRE EXAMEN Cálculo mental
Authored by SANDINO NOGUERA
Mathematics
9th Grade
Used 11+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-38
-28
+28
+2
+38
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué número multiplicado por 5 da 40?
+5
-6
+12
-9
+8
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
990
900
909
890
809
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
No está la respuesta correcta
711
689
789
611
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
30,030
3,000
30,000
300,000
3,030
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
40
225
35
0.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
125
10
25
155
120
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