Maths Exercises
Español
web counter
Done: 0 Corrects: 0                          User (login-registrate)
  
  • Pre-Algebra
  • Algebra
  • Geometry
  • Graphs and functions
  • Trigonometry
  • Coordinate geometry
  • Combinatorics
Arithmetics Signed numbers Divisibility Decimals Fractions Percentages Proporcional reasoning Mixture problems
Prime numbers Factoring Prime factorization GCF LCM Radicals Exponents Uniform Motion Problems
Ratio Proportions Direct variation Inverse variation        
Monomials Polynomials Special products Equations Quadratic equations
Radical expressions Systems of equations Sequences and series Inner product Exponential equations
Matrices Determinants Inverse of a matrix Logarithmic equations Systems of 3 variables equations
2-D Shapes            
Graphs Definition of slope Positive or negative slope Determine slope of a line Equation of a line Equation of a line (from graph)
Quadratic function Parallel, coincident and intersecting lines Asymptotes Limits Distances
Continuity and discontinuities      
Pythagorean Theorem Trigonometric functions of an acute angle Trigonometric identities Law of sines    
Trigonometric functions of related angles Solving right triangles Law of cosines    
Equations of a straight line Parallel, coincident and intersecting lines Distances Angles in space Inner product
Factorial Variations without repetition Variations with repetition Permutations with repetition Permutations without repetition
Exercises Circular permutations Binomial coefficient Combinations with repetition Combinations without repetition
  Arithmetic mean      
         
             
             
 
Maths Exercices
Percentages


VideoA percent is really a fraction with a denominator of 100. The percent symbol, % is another way of writing a denominator of 100.
In other words: or .

Calculate the % of a given number.


VideoFind the 85% of 20


The 70% of 700 is