 Geometry

## Calculating the Area of a Parallelogram – How to calculate easily?

June 11, 2011

For calculating area of a parallelogram easily, convert the diagram of parallelogram into a rectangle by extending or sketching different lines. Then use rectangle area formula and triangle area formula to calculate the area of the parallelogram. Example What is the area of parallelogram ABCD? Solution: See the math diagram in question. If you extend […]

Word Problems

## How to solve hard SAT word problems easily?

June 11, 2011

Solving hard SAT word problem is an easy and interesting task if you make a correct sketch of the question. Sketch a diagram of the SAT word problem even if exact dimensions of regular math shapes are not given. See following example. Example A box contains 10 white stones and 40 black stones. How many […]

Word Problems

## How to solve triangle word problems easily?

June 11, 2011

For solving triangle word problems, first of all, give to the question physical shape by drawing a sketch. Then solve triangle using Pythagorean Theorem (right triangle case). Remember, word problems involving triangle give two sides of the triangle and ask you to find the third side. Example John drove 10 miles east, 6 miles south, […]

Word Problems

## How to solve rectangle word problems easily?

June 11, 2011

First of all, draw a sketch or diagram of the math word question in order to perceive clear cut concept of the math word problem. This sketch may be of regular as well as irregular math shape. This sketch will help you to solve math word problem easily. Example: What is the area of a […]

Probability

## How to Solve Probability Word Problems? 4-Steps Method

June 9, 2011

You can solve SAT Math probability word problems by adopting following four steps Identify events for which probability is to be determined Calculate total number of possible outcomes (items) Calculate probability of each event Add probability of each event (if it is required) Consider Following Example to understand How to Solve Probability Word Problems in […]

Geometry

## How to solve right triangle problems using Pythagorean triples

June 9, 2011

On SAT you might see math questions which ask about one side of right triangle. Though you can apply Pythagorean Theorem for solving right triangle, you can also use Pythagorean Triples which allow you to determine a side of the right triangle without involving calculations. Pythagorean Triples are values that satisfy equation (c2 = a2+b2). […]

Permutation

## How to solve permutation problems – repetition concept?

June 9, 2011

Permutation Problems ask you to arrange number of items into groups in a specific way. We see how items are arranged into groups and what is meaning of arranging them in a specific way? Answer of these two questions will give you answer the question how to solve permutation problems using repetition concept? In Permutation […]