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Mathematics, 22.02.2021 20:10 QueenNerdy889

Escuela Primaria Duarte Asignatura: Matemáticas.

Prof. Marlen L. Fernández

Resumen de la semana del 15 al 19/2/2021. Después de observar las clases, realiza las

siguientes actividades.

Tema I: Relaciona.

1-Es la más absoluta y científica de todas.

Es la que se utiliza en el sistema

internacional de medidas de temperatura.

2-Es una magnitud física que expresa el

grado o nivel de calor o frío de los cuerpos

o del ambiente.

3-Es donde siempre se emplea la escala

Kelvin.

4-Es la equivalencia de dos (2) Kelvin

5-Para pasar Kelvin a grados Celsius la

fórmula es:

°C= K- 273.15

- 456.07

plano científico

Temperatura

Kelvin

Tema II: Realiza la conversión de Kelvin a Celsius.

Observas el ejemplo: Convertir 320 Kelvin a Celsius.

Fórmula: °C= K – 273.15

Ahora sustituimos los valores.

°C= 320 – 273.15

°C = 46.85

320K = 46.85 °C

 300 kelvin a Celsius.

 330 kelvin a Celsius.

 370 kelvin a Celsius.

Tema II: Realiza los siguientes ejercicios, aplicando la regla de los signos y el orden jerárquico

de las operaciones.

a) 23 + 43 =

b) 44 – 56

c) -40 -20 =

d) 7 x 3 =

e) 36/ 9 =

f) 4x (-5) =

g) 18/ -3 =

h) -64/ -8=

i) -7x (-5) =

j) (43 - (48/6) x 3)) + 6 =

=

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Prof. Marlen L. Fernández

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