Algebraic Balances

Do you know that solving an equation is the same as finding the value that balances both sides of a balance?

If you want to try click here.

Presentation of Fractions

Here, you can download a power point presentation which summarize the Unit of Fractions for the 1^st year of ESO.

To download it CLICK HERE.

Equivalent Fractions

In this link you can find interactive practice to get equivalent fractions:
http://www.shodor.org/interactivate/activities/EquivFractionFinder/

In these other links you can find further practice with fractions:
http://www.shodor.org/interactivate/activities/BoundFractionPointer/
http://www.shodor.org/interactivate/activities/EquivFractionPointer/

Factozation in Prime Numbers

In this link you can find a program that factorizes in product of prime numbers the number which you introduce:
http://www.merriampark.com/factor.htmhttp://www.merriampark.com/factor.htm

Descomposition in prime numbers

In this link you can easily practice your skills to descompose integer numbers into prime numbers: http://nlvm.usu.edu/en/nav/frames_asid_202_g_3_t_1.html?from=topic_t_1.html

In you select the option "two", you can practice the calculation of the Greatest Common Factor and the Lowest Common Multiple: