Como ya sabéis, hace ya varios cursos (2010-2011) nos embarcamos en una nueva aventura: una sección bilingüe en nuestro instituto. Con el ánimo de desarrollar al máximo nuestras capacidades, de mantenernos en las líneas de educación actuales y de formarnos de la mejor manera posible, se ha creado esta sección. Y para complementar todo esto, surge este blog.

As you know, several years ago (2010-2011) we started a new project in our high school: a bilingual section. With the aim of developping our capacities as much as possible, continuing with the current educational tendencies and be trained in the best way possible , this section has been created. Thus, to complement everything mentioned before, this blog emerged.




MATHS 2º


GENERAL INFORMATION

Some interesting Mathematics blogs:
Mates y TIC
Algebra con papas



APPENDICES


BOOK and VOCABULARY

EXPRESSING NUMBERS IN ENGLISH and PRACTISING

MATHS VOCABULARY

Mental game.




UNIT 1: INTEGERS

Look at these videos:












Juegos para practicar operaciones con enteros:

game for practising with integers.

Integers with AICLE.



UNIT 2: FRACTIONS

Exercises for practising with fractions.

Look at this video about fractions and rational numbers:



For creation common denominators see this video:


About improper fractions and mixed numbers:




In order to review some topics of the unit here you are the following files: Fractions and Working with fractions.


UNIT 3: DECIMALS

Clasificación de los números decimales.

With the following video you can learn the relation between fractions, decimals and percents:





In order to review some topics of the unit here you are the following files: Decimals and percents, Understanding percents.


How to convert Fractions into Decimals and into Percents:

You should be able to complete the following diagram:




UNIT 4: POLYNOMIALS

We are going to learn a lot of things regarding POLYNOMIALS.
Here you are the answer to all these questions:
Besides, we are going to learn how to addsubtract,multiply or divide monomials/polynomials:
  1. How to add/subtract polynomials:
    1. Explanation
    2. Video 1
    3. Video 2
  2. How to multiply polynomials:
    1. Explanation
    2. How to multiply a monomial by a polynomial
    3. Video 1
    4. The FOIL method. Use it!
  3. How to divide a polynomial by a monomial:
    1. Examples
  4. Special products of binomials
    1. The square of a SUM
    2. The square of a DIFFERENCE
    3. The product of a SUM and a DIFFERENCE

Para entender mejor las expresiones algebraicas.

See this video about polynomials:







UNIT 5: EQUATIONS

How to solve a linear equation:


Quadratic formula song



Esquema resolución ecuaciones 2º grado.

Problems with equations.

Equations with AICLE.




UNIT 6: SYSTEMS OF EQUATIONS

What is a system of linear equations in two variables?



In these videos you can learn how to solve a system of equations,


by substitution:




by elimination:



UNIT 7: PROPORTIONS 

Theory about proportionality and percentages.






UNIT 8: PERCENTAGES

Worksheet: % increase and decrease.




UNIT 9: SIMILARITY AND SCALES

Maybe you would like to practice with similar triangles. You can do it watching this video or solving problems from this worksheet.



Practice with scale drawings, models, maps and blueprints. Download file.

Practice everything you know about similarity with this test:
http://geometriadinamica.es/Geometria/Semejanza-y-Tales/Test-semejanza.html

If you need more activities for practising scales visit the following website.

And look this video, it´s very funny!!

Review: scales.


UNIT 10: 2-D SHAPES

Perimeters and areas with AICLE

You should read the following sheet for remembering GEOMETRY studied last year. And practice the vocabulary with these exercises.

Click here and practice your vocabulary about POLYGONS
Click here and practice with circles and circunferences

In this video, you can look at the most important lines and points in a triangle:


Review: Pythagoras Theorem and plane shapes.

Exercises about plane shapes.

Practice areas with these exercises.

What is pi?






UNIT 11 & 12: POLYHEDRONS. SOLIDS OF REVOLUTION. VOLUME


Here you are the complete unit and exercises  or this quiz for practising vocabulary.
Take into account these words to de the word problems.


Clasificación de poliedros y cuerpos de revolución.

Click here to know more about Geometry
Click here and practice with POLYHEDRA1
Click here and practice with POLYHEDRA2

Some solved exercises about polyhedra/polyhedrons.

Interactive geometry.

Actividades interactivas para repasar geometría.


A funny song for learning the names of Platonic Solids:



You can visit this webpage to improve your knowledge about 3D shapes. It has interactive expanations, too. At the end of the explanations, you can take the quiz. Have you understood the lesson?

Watch and listen to this video about solid figures:





UNIT 13: GRAPHS AND FUNCTIONS

Interpretación gráficas funciones.

Cómo se pintan puntos en el plano.

Look at this video about linear equations in the real world:





UNIT 14: STATISTICS

Statistics with AICLE.

More about Statistics.

Introduction to Statistics:


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