Azuqueca defiende la enseñanza pública

Querid@s alumn@s y familias,

Desde la plataforma en Defensa de la Enseñanza Pública de Azuqueca de Henares hemos organizado unas jornadas para poder analizar el futuro de la educación pública en nuestro municipio. Contaremos con la presencia de profesores de los distintos ámbitos educativos, alumnas y AMPAS. Toda la comunidad educativa unida contra los recortes y en defensa de los servicios públicos de calidad.

Os espero mañana.

Un abrazo
ALICIA

Negative numbers (I. Whole Numbers, Number line)

Hello boys and girls,

now that the weather is getting colder, it is the best time of the year to study NEGATIVE NUMBERS :-)

These are part of a bigger group, called Whole Numbers.

To study them, the number line is very useful; it may help you to tell which numbers are bigger or smaller. Read about number line by clicking here (remember to solve the six questions down). After that, play this game for a while to see if you really understood...

At the end of the class, if you feel comfortable with number line and operations on it, try with this game, with more difficult movements... Play

Good luck,

ALICIA

Greatest Common Factor and Least Common Multiple

Hello everyone,

As we have already studied what GCF and lcm are, I would like you to go over the definition and improve in calculating both, so please, have a look to the following links:

Greatest Common Factor (GCF) is the highest number that divides exactly into two or more numbers.


Read more about GCF
Practice.  More exercises.

Least Common Multiple (lcm) is  the smallest (non-zero) number that is a multiple of two or more numbers.

Read more about lcm
Practice. More exercises.



PLAY A GAME

Practice with PROBLEMS



ALICIA

Solid geometry summary

Hi boys and girls,

Here you have the summary I promised, with the six shapes you have to study for the exam.

Download file.

Take care,

ALICIA

Sieve of Eratosthenes

The Sieve of Eratosthenes is an ancient method for finding all primes numbers up to a specified number.

It was created by Eratosthenes (275-194 B.C., Greece), an ancient Greek mathematician. Just as a sieve is a strainer for draining spaghetti, Eratosthenes's sieve drains out composite numbers and leaves prime numbers behind. The numbers from 1 to 100 are listed in a table. We will use The Sieve of Eratosthenes to find all primes up to the number 100 by following the directions below.

Directions:

1. Cross out 1 since it is not prime.
2. Circle 2 because it is the smallest prime number. Cross out every multiple of 2.
3. Circle the next open number, 3. Now cross out every multiple of 3.
4. Circle the next open number, 5. Now cross out every multiple of 5.
5. Circle the next open number, 7. Now cross out every multiple of 7.
6. Continue this process until all numbers in the table have been circled or crossed out.

You have just circled all the prime numbers from 1 to 100!

Download presentation

Questions (to be answered as a comment):

1. How many prime numbers are there from 1 to 100?
2. List all prime numbers from 1 to 100.
3. Which number is the only even prime number?
4. An emirp (prime spelled backwards) is a prime that gives you a different prime when its digits are reversed. For example, 13 and 31 are emirps. List all emirps between 1 and 100.

Enjoy it!
ALICIA

Nets

Hi girls and boys,

Here you have a link where you can find the 3D models (also called "nets") for every 3D shape.

See website

If you want to practice associating nets and figures, go to the following site:

Practice

ALICIA

Surface area and Volume, part I

Hi all,

these days we have been working in class with surface area and volume of some geometric shapes. I leave you here some links to go over the most important ones:

Platonic solids (tetrahedron, cube, octahedron, dodecahedron, icosahedron)
Pyramids
Prisms
Cylinder, cones, sphere

Remember that you have to present by the end of this week your work including:

1. Description of your shape
2. Net
3. Surface area and volume
4. Examples in real life
5. Problem

(Deadline: friday, 11th of november)


If you want to practice or get some ideas or pictures, you can find more exercises here:
Surface area of a cube, rectangular prism, pyramids and cones, cylinder, cylinder and prism,

Volume of a cube, rectangular prism, prism and cylinder, triangular prism, cone,  pyramid and cone, cylinder, pyramid, sphere

Volume and surface area of sphere

Take care,

ALICIA