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Sumas Segundo Primaria
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La mitad de 18 es...
9
Oops!
Okay!
El doble de 7 es...
14
Oops!
Okay!
8 + __ = 17
9
Oops!
Okay!
9 + 6
15
Oops!
Okay!
__ + 14 = 19
5
Oops!
Okay!
El doble de 4 es...
8
Oops!
Okay!
10 + 6
16
Oops!
Okay!
7 + 6=
13
Oops!
Okay!
8 + 9 =
17
Oops!
Okay!
12 + __ = 14
2
Oops!
Okay!
__ + 7 = 15
8
Oops!
Okay!
8 + 5
13
Oops!
Okay!
9 + 9
18
Oops!
Okay!
6 + __ = 18
12
Oops!
Okay!
¿Qué operación realizamos para pasar del 7 al 19?
+12
Oops!
Okay!
La mitad de 20 es...
10
Oops!
Okay!
4 + 8
12
Oops!
Okay!
El doble de 8 es...
16
Oops!
Okay!
__ + 6 = 11
5
Oops!
Okay!
La mitad de 12 es...
6
Oops!
Okay!
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