Criptoaritmética con sumas y restas
Authored by CARMEN CUEVAS
Mathematics
2nd Grade
Used 9+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿ Qué número debo agregarle a 7 para tener como resultado 15?
22
20
6
8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué número corresponde al signo de interrogación?
4 + ? = 13
7
8
9
10
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué número corresponde al signo de interrogación?
3 4 - ? = 18
16
17
18
19
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Qué número corresponde al signo de interrogación?
? + 9= 21
30
11
12
13
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
sumar:
65
45
55
35
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
restar
38
28
124
128
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
? - 13 = 9
¿Qué operación debo hacer para descubrir el número que falta ?
Restar 13 - 9
Quitar 13
sumar 13+9
sumar ? + 13
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