These are the scores of the real numbers exam of 

4ºESO B:

Sorry, if your calification is less than 3, you don´t appear in the list

Homework for 4ºESO A and B:

Revise the properties of the logs by watching this video:

Propierties of logarithms

Natural and common logs

Two special types of logarithms

Procedure to expand logarithmic expressions

How to expand logs

And to discover more about how logs appeared

Napier and the logarithms

More

Para Alejandra:

Espero que esta página web te ayude un poco con los logaritmos

http://gauss.acatlan.unam.mx/mod/resource/view.php?id=60

Here you are the exam we did last friday

Real Numbers Exam 4ºESOB

You can do it as a voluntary worksheet and give it to me next week

REPASO DEL TEMA DE NÚMEROS REALES

Soluciones del libro de Anaya

Ejercicios resueltos

Review of rationalisation

Solved exercises

RACIONALIZACIÓN DE RADICALES EN DENOMINADORES UTILIZANDO EXPRESIONES CONJUGADAS

EJEMPLO

Ejercicio

Une cada fracción con su fracción equivalente racionalizada

Solución

RACIONALIZACIÓN DE RADICALES EN DENOMINADORES

Ejercicio

Une cada fracción con su equivalente racionalizada

Solución

Ejercicio

Une cada fracción con su equivalente racionalizada

Solución

Here you are the exam we did last friday

REAL NUMBERS EXAM

(This evening I´ll give you the solutions, too)

Modelo de examen para mañana

THE ART OF RATIONALIZATION

Rationalization of denominators using conjugates

Rationalizition of denominatorts with one surd

Para mis alumnos de 4ºA/B:

If you want to practise for the exam during this long weekend , here you are some worksheets of exercises with their solutions:

• How to draw some irrational numbers, using the Phytagorean Theorem

Drawing some irrational

• Intervals in the Real Number Line (the last part about union and intersection between intervals is not for the exam)

Intervals

• Working with radicals (rationalization of denominators is not for the exam)

Exercises