Desafío de Cálculo Mental

Quiz
•
Mathematics
•
6th Grade
•
Medium
Mario López
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuánto es 25 + 37?
50
70
45
62
Answer explanation
Para resolver 25 + 37, sumamos los dos números: 25 + 37 = 62. Por lo tanto, la respuesta correcta es 62.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si tienes 50 y gastas 18, ¿cuánto te queda?
35
32
40
28
Answer explanation
Si tienes 50 y gastas 18, restas 18 de 50. 50 - 18 = 32. Por lo tanto, te queda 32.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Multiplica 3/4 por 2/5.
3/5
6/20
3/10
1/2
Answer explanation
Para multiplicar fracciones, multiplicamos los numeradores y los denominadores: (3*2)/(4*5) = 6/20. Simplificando 6/20, obtenemos 3/10, que es la respuesta correcta.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un tren sale a las 3:00 PM y llega a las 4:30 PM, ¿cuánto tiempo ha pasado?
1 hora
2 horas
45 minutos
1 hora y 30 minutos
Answer explanation
El tren sale a las 3:00 PM y llega a las 4:30 PM. Para calcular el tiempo transcurrido, restamos 3:00 PM de 4:30 PM, lo que da 1 hora y 30 minutos. Por lo tanto, la respuesta correcta es 1 hora y 30 minutos.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suma 12.5 + 7.8.
19.5
21.0
18.3
20.3
Answer explanation
Para sumar 12.5 y 7.8, alineamos los números y sumamos: 12.5 + 7.8 = 20.3. Por lo tanto, la respuesta correcta es 20.3.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Resta 15.6 - 9.4.
5.4
7.8
8.2
6.2
Answer explanation
Para resolver 15.6 - 9.4, realizamos la resta: 15.6 - 9.4 = 6.2. Por lo tanto, la respuesta correcta es 6.2.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Multiplica 6 por 8.
36
48
54
64
Answer explanation
Para multiplicar 6 por 8, realizamos la operación: 6 x 8 = 48. Por lo tanto, la respuesta correcta es 48.
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