Dr. J's Maths.com
Where the techniques of Maths
are explained in simple terms.

Arithmetic and Algebra.
Main page.

 Learning area Resource. Absolute values. The visual impact of using absolute values. Interpretation of the absolute value concept. Concept - Test yourself 1. Concept - Test yourself 1 - Solutions. Techniques for solving absolute value equations. Graphing absolute values. Graphing - Test Yourself 1. Graphing - Test Yourself 1 - Solutions. Graphing - Test Yourself 2. Graphing - Test Yourself 2 - Solutions. Absolute value equations. Absolute value equations - strategies. Equations - Test Yourself 1. Equations - Test Yourself 1 - Solutions. Absolute value inequalities. Inequalities - Test Yourself 1. Algebraic equations : Main Equations page. Changing the subject. Steps to use for different types of equations. Change the subject - Test Yourself 1. Change the subject - Test Yourself 1 - Solutions. Simultaneous equations - graphing and with algebra. Simultaneous equations - Main page. Algebraic fractions. Blood Alcohol Concentration Main concepts. Concept and measurement of blood alcohol and effects of alcohol. Evaluation questions. BAC - Test Yourself 1. BAC - Test Yourself 1 - Solutions. Medication Medication - Test Yourself 1. Medication - Test Yourself 1 - Solutions. Factorisation. Summary of general approaches. Factorisation - Main page. Quadratics - all about them. To Quadratics - Main page. Indices. Main indices page. Inequalities. Main inequalities page. Irrational numbers & surds. Manipulation Basic techniques - Test Yourself 1. Basic techniques - Test Yourself 1 - Solutions. Advanced techniques - Test Yourself 1. Advanced techniques - Test Yourself 1 - Solutions. Using algebra - Test Yourself 1. Using algebra - Test Yourself 1 - Solutions. Recurring decimals Summary of concept and strategies for converting to rational numbers. Recurrent decimals - Test Yourself 1. Recurrent decimals - Test Yourself 1 - Solutions. Rationalising the denominator. Rationalising the denominator - basic - Test Yourself 1. Rationalising the denominator - basic - Test Yourself 1 - Solutions. Rationalising the denominator - Challenging - Test Yourself 1. Rationalising the denominator - Challenging - Test Yourself 1 - Solutions. Miscellaneous harder questions - Test Yourself 1. Miscellaneous harder questions - Test Yourself 1 - Solutions.