Exponents: Rules of exponents
New!! Now most of the theory and exercises for many of our topics are explained on video. Look for the icon of a video camera and click on it.
Revise your knowledge of percentages. Here you will find exercises on determining percentages (%), calculating the percentage of a number, percentage increases and decreases and calculating initial capital after a percentage increase or decrease.
Solve systems of equations by substitution, elimination, graphing,...
Revise your understanding of arithmetic and geometric sequences and series.
Revise your understanding of exponents and powers. Here you will find activities to cover the basic exponent rules.
Solve right angled triangles by using the Pythagorean Theorem. Solve real life word problems using the Pythagorean Theorem: there are many applications for the Pythagorean Theorem, for example, it can be used to find the distance between two points.
Revise your understanding of proportional reasoning in maths. Here you will find exercises on ratios and proportions, direct proportions, inverse proportions, equal shares, time and distance and mixture word problems. You will learn to solve problems using real life situations.
Find the distance between two points in the plane. Find the distance from a point to a line or the distance between two lines in the plane.
Revise your understanding of quadratic equations. Solve complete and incomplete quadratic equations. Solve problems about real life using quadratic equations.
Revise your understanding of variations, permutations and combinations. Solve exercises about variations, permutations and combinations with and without repetition.
Revise your understanding of matrices. Solve exercises about addition, subtraction and multiplication of matrices.
Revise your understanding of factorials. Enter any number you want and the computer will calculate its factorial for you.
Revise your understanding of the inner product of two vectors. Solve exercises about inner product: calculate the value of the inner product of two vectors.
System of equatons
Exponential and logarithmic equations
Sequences and series
Functions and Graphs
Variations, permutations and combinations