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  LESSONS
Academic year Age Topic
Download      Álgebra
       Representing numbers on a straight line
       Powers and roots
       Ratio and proportional division
       Operations with natural numbers-1
       Operations with integers - I
       Operations with integers - II
       Multiples and factors. Prime numbers
       Fractions
       Operations with natural numbers - II
       Powers
       Square root
       Percentages and indices
       Fractions, decimals and percentages
       Powers of rational numbers
       Representing numbers graphically
       Nim game
       Square metres, cubic metres
       Metres, litres, kilograms
       Simple equations with an unknown
       Solving equations graphically
       Quadratic equations
       Exponential equations and logarithms
       Simultaneus equations and inequations
       Polynomials
  Subir