Chapter 3: Mathematics Review and Introduction to Dosage Calculation 2025/2026 – Complete Guide & Practice Questions

Chapter 3: Mathematics Review and Introduction to Dosage Calculation
decimal
the part of a whole number based
on a system of units of ten (ex:
0.5 is 5 tenths of 1)

decimal point
the dividing point between whole
numbers and parts of numbers in
a system based on units of ten.


denominator
the bottom number in a fraction,
the dividing number

the number to be divided in a dividend
division problem.

divisor
the number the dividend is
divided by or that is divided into
the dividend.

fraction
a part of a whole number
obtained by dividing one number
by a larger number.

improper fraction
a fraction that has a top number
that is larger than the bottom
number.

intradermal (ID)
drug delivery into the body by
injection just under the top part of
the skin.


drug delivery into the body by intramuscular (IM)
injection into the muscle.

whole numbers with a fraction mixed-number fractions
attached

numerator
the top number in a fraction that
is divided by the bottom number


parenteral
drug delivery to the body that
does not use the gastrointestinal
tract.

percent
the expression of how a number
is related to 100; literally "for
each hundred"




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