
Cálculo mental
Authored by ANTARES MARTINEZ
Mathematics
1st Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
38 más 23
50
15
61
60
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12 por 6
12
72
60
18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
18 por 2 menos 24
12
4
44
40
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3/4 más 4/8
7/12
7/4
7/8
10/8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convierte 2/5 en número decimal
0.2
0.20
0.40
.50
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2/3 por 3/5
6/15
5/8
6/5
5/3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
115.4 menos 12.4
113
103.8
127.8
103
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