Review of Introductory Mathematics
The important information from this chapter is summarized below.
When using the decimal process:
Convert fractions to decimals by dividing the numerator by the denominator.
Convert decimals to fractions by writing the decimal in fraction format and
Align decimal points when adding or subtracting decimals.
Before dividing decimals, move the decimal in the divisor and dividend to the
right by the same number of places.
When rounding, numbers less than 5 are dropped, and numbers 5 or greater
increase the number immediately to the left by one.