Tutoring Services: Quick help: Math

Basics of adding and subtractions of positive
and negative numbers, fully explained, with rules to
help guide the user. Multiplication and division also covered.

Definitions, properties, conversions from fractions and decimal to percents, and several useful examples.

Full list of definitions of the terms and concepts in probability. Includes formulas and rules, plus several key examples.

Unit conversion for length, volume, weight and time
for metric and US. Tables for equivalences and examples of how to convert.

Reviews definitions and goes over typical procedures for adding and subtracting fractions with like denominators, and how to convert fractions with unlike denominators.

Shows how to multiply and divide, plus defines:
- simple fractions
- whole numbers and fractions
- mixed numbers

Shows the all-important method to convert fractions with unlike denominators to those with a common denominator - essential for addition and subtraction.

Explains how to reduce fractions.

Solving linear equations with 1 variable.
Rules for simple operations with equations, including addition/subtraction and multiplication/division.

Solving linear equations with 2 variables.
Full descriptions of how to use the major methods: substitution and elimination.

The first step in factoring a polynomial,
finding the greatest common factor.

A method for factoring certain 4 term polynomials,
particularly useful in a step in the AC method of
factoring polynomials.

Factoring for this special, if not uncommon, case
where the leading coefficent is 1.

The old grunt method of factoring before the use of
the AC method. However with skill and practice, it can
be much faster than the AC method.

The classic, methodical approach to solving 2nd-order trinomials in detail.

Defines geometric shapes in 2D and explains calculations for perimeter.

Calculations of area for many 2D shapes.

Definitions for trig functions. Includes the Pythagorean Theorem and finding values for angles and sides of triangles.

Extensive list of definitions, and using trig to find the identities on the unit circle.

Using the laws of sines and cosines to solve problems for oblique triangles - those that are not right triangles.

Using graphs to describe trig functions, and how to examine amplitude, period and phase shifts.