Actividad 1 Trimestre 2 con el contenido en inglés

1. 2ºESO
Trimestre 2_ACTIVIDAD EVALUABLE 1
MATEMÁTICAS _ 2017-2018
IES GARCÍA LORCA
Hoja 1 de 3
GRUPO: NOMBRE:
Unit Three. POWERS AND ROOTS
REMEMBER:
SOLVE:
1) Write in scientific notation:
2) Write in decimal notation the following numbers:
3) Simplify giving the final result as a power of ten:
EJEMPLO: = 1,2  2  103+5
= 2,4  108
= 24  109

2. 2ºESO
Trimestre 2_ACTIVIDAD EVALUABLE 1
MATEMÁTICAS _ 2017-2018
IES GARCÍA LORCA
Hoja 2 de 3
GRUPO: NOMBRE:
4) Write as power of 2 the following numbers:
5) Write as power of 3 the following numbers:
6) Simplify using the properties of the powers:
7) Write as a unique power:
8) Express as a power of base 4 and calculate the number of windows that there are in these buildings.

3. A continuación: CONTENIDO EN INGLÉS CORRESPONDIENTE AL TEMA
(Para que lo tengáis también, no imprimirlo con la Actividad Evaluable de las
hojas anteriores para entregarlo)

4. UD. 3 POWERS AND ROOTS - MATHS - 2ºESO
1. POWERS with integer exponents
It is the product of a number many times by itself.
an = b = a  a  a  a  a  ...  a (n - times)
a is the base
n is the exponent
b is the power
For 32
, we can say: Three to the second power. Three to the power of 2. Three
squared. Three raised to the power 2. Three raised to the second
power. Three to the second. Three to two.
For 53
; we can say: Five to the third power. Five cubed....
PROPERTIES of powers

5. UD. 3 POWERS AND ROOTS - MATHS - 2ºESO
And:
Power with negative exponent
Powers of ten

6. UD. 3 POWERS AND ROOTS - MATHS - 2ºESO
2. SQUARE ROOT
2. CUBE ROOT