SAT Prep - Math

If there are two decimal numbers we can compare them.  One number is either greater than, less than or equal to the other number. Comparing decimals is similar to comparing whole numbers.Its also fairly easy and straightforward: Here is a simple... read more ››

Decimals and Fractions Put it simply, a decimal is another way of representing a fraction. Every fraction can be written in the form of a decimal.  The decimal can be either repeating or  non-repeating. Converting fractions to decimals... read more ››

SAT questions will rarely ask you to add, subtract, multiply or divide decimals. However these decimal operations may be needed to process the final answer of a word problem in arithmetic or solving an algebra question. To add and subtract decimals a... read more ››

Rounding decimals is a kind of shorthand that allows you to represent a value close to the number, with fewer digits after the decimal.  If you have space only for 4 digits after the decimal, and you have to represent 0.00049, you will nee... read more ››

A decimal representation of a real number is called a repeating decimal if at some point it becomes periodic: there is some finite sequence of digits that is repeated indefinitely. Repeating decimals are also sometimes referred as recurring decimals ... read more ››

Decimals can have, and often do have trailing and leading zeroes. The position of 0's determine if they influence the value of the number. Let's try to understand which zeroes matter and which ones don't. You are unlikely to find problems in SAT dire... read more ››