HESI Math Study Guide – West Coast University
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
X
L
C
D
M - ans10
50
100
500
1000
0 Degrees Celsius = ____ Degrees Fahrenheit - ans32 degrees Fahrenheit (freezing point of
water)
100 Degrees Celsius = ____ Degrees Fahrenheit - ans212 degrees Fahrenheit (boiling point
of water)
Celsius to Fahrenheit - ansF = (C x 1.8) + 32
Fahrenheit to Celsius - ansC = (F-32)/1.8
1 kilometer = ____ meters
1 meter = ____ cm
1 cm = ____ mm
2.54 cm = ____ inch - ans1,000 meters
100 cm
10 mm
1 inch
LENGTH
1 mile = __1760__ yards
1 mile = __5280__ feet
1 yard = __3__ feet
1 foot = __12___ inches - ansLENGTH
1 km = 1000 meter
1 meter = 100 cm
1 cm = 10 mm
2.54 cm = 1 inch
VOLUME
8 ounces = 1 cup
2 cup = 1 pint (pt)
2 pt = 1 quart (qt)
4 qt = 1 gallon (gal)
1 gallon = 128 ounces
1 ounce = 30 mL - ansVOLUME
1 Liter = 1000 mL
1 mL = 1 cubic cm
1 Liter = 1.06 quarts
MASS
1 ton = 2,000 pounds
,HESI Math Study Guide – West Coast University
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
1 pound = 16 ounces
2.2 pounds = 1 kilogram - ansMASS
1 kg = 1000 g
1 g = 1000 mg
Decimal place - ans
Multiplication of decimals - ans
Division of decimals - ans
Factor - ansa number that divides evenly into another number
Reduce fractions using Greatest Common Factor - ansREDUCE 12/20
12 (1, 2, 3, 4, 6, 12)
20 (1, 2, 4, 5, 10, 20)
Find GCF and divide top and bottom by it.
= 3/5
least common denominator (LCD) - ansthe smallest multiple that two numbers share
Changing an improper fraction to a mixed number - ansREDUCE fraction first!
Change a mixed number to an improper fraction - ans
Add or subtract fractions with LIKE denominators - ansAdd or subtract numerator.
Keep common denominator.
REDUCE.
Addition/ subtraction of fractions with UNLIKE denominators - ansFind the LCD.
Multiply top and bottom so denominators are both equal to LCD.
Addition of mixed numbers - ansFind the LCD.
Multiply numer. and denom. so denominators are equal to LCD.
Add whole numbers together.
Add numerators together.
If improper fraction change to mixed number.
borrowing from whole numbers - ansFind the LCD.
If need to borrow from whole #, turn into improper fraction.
Subtract
Multiplication of fractions - ansChange mixed # into improper fraction.
MULTIPLY straight across.
Division of fractions - ansInverse the SECOND fraction and multiply!!
Change to mixed number.
REDUCE if needed
Change a fraction to a decimal - ansNi/Do
Add a decimal and two zeros and continue to divide.
Ratio - ansa relationship between two numbers.
Solve for x
7:5::91:x
7/5 x 91/x
91x5=455
455/7=65
x=65
,HESI Math Study Guide – West Coast University
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
Proportion - ansTwo ratios with equal values
Change decimal to percent - ansMove the decimal TWO places to the right.
Percent formula - ansPart/Whole = %/100
abstain - ansto voluntarily refrain from something
accountable - ansto be responsible
acute - anssudden, intense
adhere - ansstick together
adverse - ansundesired
aegis - anscontrol, protection
ambivalent - ansuncertain
apply - ansto place
assent - ansto give consent, agree
audible - ansable to be heard
bacteria - anssingle-celled organism
bilateral - anspresent on both sides
cardiac - ansrelating to the heart
cavity - ansopening, empty area
cease - ansto come to an end
chronology - ansorder of events
compensatory - ansmaking up for something
concave - ansRounded inward
concise - ansto the point
consistency - anshow thick or thin a fluid is
constrict - ansto become smaller
contingent - ansdependent
contraindication - ansa reason something should not be done
convulsive - ansviolent shaking of the body
cursory - ansquick, not thorough
defecate - ansgo to the bathroom
deficit - anslack of something
depress - anspress downward
depth - ansdownward measurement
deteriorating - answorsening
device - anstool or piece of equipment
diagnosis - ansidentification of injury or disease
dilate - ansto enlarge or expand
dilute - ansto make liquid less concentrated
discrete - ansseparate
distal - ansdistant; away from the center
distended - ansenlarged or expanded from pressure
dysfunction - ansImpaired or abnormal functioning
empathy - ansability to share what others are feeling
Equilibrium - ansbalance
, HESI Math Study Guide – West Coast University
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
etiology - anscause of disease
exacerbate - ansto make worse
expand - ansto increase in size or amount
exposure - ansto come in contact
extension - anslengthening
external - ansoutside the body
fatal - ansResulting in death
fatigue - ansExtreme tiredness, exhaustion
flexion - ansbending a joint
flushed - ansreddened (blushing)
gastrointestinal - ansrelating to the stomach and intestines
Hematologic - ansrelating to blood
hydration - ansmaintaining body fluid balance
hygiene - ansgood health, cleanliness
impaired - anslacking some quality or level
impending - ansabout to happen
impervious - ansimpenetrable (impervious gloves)
imply - ansto suggest
incidence - ansoccurence
infection - anscontamination
infer - ansto conclude, to assume
inflamed - ansswollen, warm
ingest - ansto swallow
initiate - ansto begin, to start
insidious - ansso subtle
intact - ansin place, unharmed
internal - answithin the body
invasive - ansInserting into a body part
Kinetic - ansrelate to movement
labile - ansChanging rapidly and often
laceration - ansa cut, tear
latent - anspresent but not active
lateral - anson the side
lethargic - ansdifficult to arouse
manifestation - anssign of a condition
musculoskeletal - ansrelating to muscle and skeleton
neurologic - ansrelating to the nervous system
Neurovascular - ansrelating to nervous system and blood vessels
nutrient - ansingredients that provide nourishments
occluded - ansclosed
ongoing - anscontinuous
oral - anspertaining to the mouth
otic - ansear area
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
X
L
C
D
M - ans10
50
100
500
1000
0 Degrees Celsius = ____ Degrees Fahrenheit - ans32 degrees Fahrenheit (freezing point of
water)
100 Degrees Celsius = ____ Degrees Fahrenheit - ans212 degrees Fahrenheit (boiling point
of water)
Celsius to Fahrenheit - ansF = (C x 1.8) + 32
Fahrenheit to Celsius - ansC = (F-32)/1.8
1 kilometer = ____ meters
1 meter = ____ cm
1 cm = ____ mm
2.54 cm = ____ inch - ans1,000 meters
100 cm
10 mm
1 inch
LENGTH
1 mile = __1760__ yards
1 mile = __5280__ feet
1 yard = __3__ feet
1 foot = __12___ inches - ansLENGTH
1 km = 1000 meter
1 meter = 100 cm
1 cm = 10 mm
2.54 cm = 1 inch
VOLUME
8 ounces = 1 cup
2 cup = 1 pint (pt)
2 pt = 1 quart (qt)
4 qt = 1 gallon (gal)
1 gallon = 128 ounces
1 ounce = 30 mL - ansVOLUME
1 Liter = 1000 mL
1 mL = 1 cubic cm
1 Liter = 1.06 quarts
MASS
1 ton = 2,000 pounds
,HESI Math Study Guide – West Coast University
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
1 pound = 16 ounces
2.2 pounds = 1 kilogram - ansMASS
1 kg = 1000 g
1 g = 1000 mg
Decimal place - ans
Multiplication of decimals - ans
Division of decimals - ans
Factor - ansa number that divides evenly into another number
Reduce fractions using Greatest Common Factor - ansREDUCE 12/20
12 (1, 2, 3, 4, 6, 12)
20 (1, 2, 4, 5, 10, 20)
Find GCF and divide top and bottom by it.
= 3/5
least common denominator (LCD) - ansthe smallest multiple that two numbers share
Changing an improper fraction to a mixed number - ansREDUCE fraction first!
Change a mixed number to an improper fraction - ans
Add or subtract fractions with LIKE denominators - ansAdd or subtract numerator.
Keep common denominator.
REDUCE.
Addition/ subtraction of fractions with UNLIKE denominators - ansFind the LCD.
Multiply top and bottom so denominators are both equal to LCD.
Addition of mixed numbers - ansFind the LCD.
Multiply numer. and denom. so denominators are equal to LCD.
Add whole numbers together.
Add numerators together.
If improper fraction change to mixed number.
borrowing from whole numbers - ansFind the LCD.
If need to borrow from whole #, turn into improper fraction.
Subtract
Multiplication of fractions - ansChange mixed # into improper fraction.
MULTIPLY straight across.
Division of fractions - ansInverse the SECOND fraction and multiply!!
Change to mixed number.
REDUCE if needed
Change a fraction to a decimal - ansNi/Do
Add a decimal and two zeros and continue to divide.
Ratio - ansa relationship between two numbers.
Solve for x
7:5::91:x
7/5 x 91/x
91x5=455
455/7=65
x=65
,HESI Math Study Guide – West Coast University
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
Proportion - ansTwo ratios with equal values
Change decimal to percent - ansMove the decimal TWO places to the right.
Percent formula - ansPart/Whole = %/100
abstain - ansto voluntarily refrain from something
accountable - ansto be responsible
acute - anssudden, intense
adhere - ansstick together
adverse - ansundesired
aegis - anscontrol, protection
ambivalent - ansuncertain
apply - ansto place
assent - ansto give consent, agree
audible - ansable to be heard
bacteria - anssingle-celled organism
bilateral - anspresent on both sides
cardiac - ansrelating to the heart
cavity - ansopening, empty area
cease - ansto come to an end
chronology - ansorder of events
compensatory - ansmaking up for something
concave - ansRounded inward
concise - ansto the point
consistency - anshow thick or thin a fluid is
constrict - ansto become smaller
contingent - ansdependent
contraindication - ansa reason something should not be done
convulsive - ansviolent shaking of the body
cursory - ansquick, not thorough
defecate - ansgo to the bathroom
deficit - anslack of something
depress - anspress downward
depth - ansdownward measurement
deteriorating - answorsening
device - anstool or piece of equipment
diagnosis - ansidentification of injury or disease
dilate - ansto enlarge or expand
dilute - ansto make liquid less concentrated
discrete - ansseparate
distal - ansdistant; away from the center
distended - ansenlarged or expanded from pressure
dysfunction - ansImpaired or abnormal functioning
empathy - ansability to share what others are feeling
Equilibrium - ansbalance
, HESI Math Study Guide – West Coast University
Comprehensive HESI Math preparation material tailored for
West Coast University students, including practice
problems, conversions, fractions, ratios, and dosage
calculations.
Certified Exam Study Guide Latest Updated 2025/2026
etiology - anscause of disease
exacerbate - ansto make worse
expand - ansto increase in size or amount
exposure - ansto come in contact
extension - anslengthening
external - ansoutside the body
fatal - ansResulting in death
fatigue - ansExtreme tiredness, exhaustion
flexion - ansbending a joint
flushed - ansreddened (blushing)
gastrointestinal - ansrelating to the stomach and intestines
Hematologic - ansrelating to blood
hydration - ansmaintaining body fluid balance
hygiene - ansgood health, cleanliness
impaired - anslacking some quality or level
impending - ansabout to happen
impervious - ansimpenetrable (impervious gloves)
imply - ansto suggest
incidence - ansoccurence
infection - anscontamination
infer - ansto conclude, to assume
inflamed - ansswollen, warm
ingest - ansto swallow
initiate - ansto begin, to start
insidious - ansso subtle
intact - ansin place, unharmed
internal - answithin the body
invasive - ansInserting into a body part
Kinetic - ansrelate to movement
labile - ansChanging rapidly and often
laceration - ansa cut, tear
latent - anspresent but not active
lateral - anson the side
lethargic - ansdifficult to arouse
manifestation - anssign of a condition
musculoskeletal - ansrelating to muscle and skeleton
neurologic - ansrelating to the nervous system
Neurovascular - ansrelating to nervous system and blood vessels
nutrient - ansingredients that provide nourishments
occluded - ansclosed
ongoing - anscontinuous
oral - anspertaining to the mouth
otic - ansear area
