HESI A2 Math Exam | Questions And
Answers| Latest Update 2026-2027
|100% Guaranteed Pass |Graded A+
whole number -ANSWER set of numbers that contains no fractions or decimals
(0,1,2,3,4,189, 293)
Intergers -ANSWER whole numbers and their opposites (negatives)
(-1, -2, -3, -4, -5, 0, 1, 2, 3, 4, 5
prime number -ANSWER number that is only evenly divisible by 1 & itself
- no remainder or decimal
composite number -ANSWER positive integer (whole number) formed by multiplying 2
smaller integers together
- all divisible by 2
- can be evenly divided by numbers other than 1 or itself
decimals -ANSWER what follows decimal is a value less than 1 & added to the integer
number preceding the decimal
- division between the whole portion & the fraction (or decimal) portion of a number
- EX: 3.15 3=whole; .15=decimal/fraction
real numbers -ANSWER rational and irrational numbers
rational numbers -ANSWER any number that can be expressed as a fraction, w/ a non-
zero denominator
- all integers are considered rational numbers
- every rational number has a decimal that terminates/repeats
irrational numbers -ANSWER numbers that cannot be expressed as a finite decimal
-Pi is finite bc its decimal portion is unending
communitive property -ANSWER a+b=b+a
Associative Property -ANSWER grouping of numbers doesn't matter in an addition
problem
decimal chart -ANSWER place value of decimals
In dividing by 10, you move the decimal 1 position to the -ANSWER left, making a smaller
# than before
, In multiplying by 10, move the decimal 1 position to the -ANSWER right, making a larger
# than before
kilo -ANSWER 1000 units
hecto -ANSWER 100 units
deca -ANSWER 10 units
base unit -ANSWER zero
deci -ANSWER 0.1 units
centi -ANSWER 0.01 units
milli -ANSWER 0.001 units
addition & subtraction of decimals -ANSWER line up decimal
multiplication of decimal -ANSWER pretend decimals are not there, then count how many
decimals are in original problem; use total to place decimal in same number of spaces
over
proper fraction -ANSWER the numerator is less than the denominator
improper fraction -ANSWER the numerator is larger than the denominator
mixed numbers -ANSWER combine whole number with a proper fraction
when reducing or simplifying fractions -ANSWER divide the numerator & denominator by
low numbers, like 2, 3, or 5 until arriving at a simple fraction
- Greatest common factor
to multiply 2 fractions -ANSWER multiply the numerators & the denominators
"straight across"
dividing fractions -ANSWER flip the second fraction and multiply
least common denominator -ANSWER The least common multiple of the denominators of
two or more fractions.
to change a fraction to a decimal -ANSWER divide the denominator into the numerator
until there are no remainders
to change decimals to fractions -ANSWER place the decimal portion of the number
(numerator) over the respective place value (denominator) then reduce
Answers| Latest Update 2026-2027
|100% Guaranteed Pass |Graded A+
whole number -ANSWER set of numbers that contains no fractions or decimals
(0,1,2,3,4,189, 293)
Intergers -ANSWER whole numbers and their opposites (negatives)
(-1, -2, -3, -4, -5, 0, 1, 2, 3, 4, 5
prime number -ANSWER number that is only evenly divisible by 1 & itself
- no remainder or decimal
composite number -ANSWER positive integer (whole number) formed by multiplying 2
smaller integers together
- all divisible by 2
- can be evenly divided by numbers other than 1 or itself
decimals -ANSWER what follows decimal is a value less than 1 & added to the integer
number preceding the decimal
- division between the whole portion & the fraction (or decimal) portion of a number
- EX: 3.15 3=whole; .15=decimal/fraction
real numbers -ANSWER rational and irrational numbers
rational numbers -ANSWER any number that can be expressed as a fraction, w/ a non-
zero denominator
- all integers are considered rational numbers
- every rational number has a decimal that terminates/repeats
irrational numbers -ANSWER numbers that cannot be expressed as a finite decimal
-Pi is finite bc its decimal portion is unending
communitive property -ANSWER a+b=b+a
Associative Property -ANSWER grouping of numbers doesn't matter in an addition
problem
decimal chart -ANSWER place value of decimals
In dividing by 10, you move the decimal 1 position to the -ANSWER left, making a smaller
# than before
, In multiplying by 10, move the decimal 1 position to the -ANSWER right, making a larger
# than before
kilo -ANSWER 1000 units
hecto -ANSWER 100 units
deca -ANSWER 10 units
base unit -ANSWER zero
deci -ANSWER 0.1 units
centi -ANSWER 0.01 units
milli -ANSWER 0.001 units
addition & subtraction of decimals -ANSWER line up decimal
multiplication of decimal -ANSWER pretend decimals are not there, then count how many
decimals are in original problem; use total to place decimal in same number of spaces
over
proper fraction -ANSWER the numerator is less than the denominator
improper fraction -ANSWER the numerator is larger than the denominator
mixed numbers -ANSWER combine whole number with a proper fraction
when reducing or simplifying fractions -ANSWER divide the numerator & denominator by
low numbers, like 2, 3, or 5 until arriving at a simple fraction
- Greatest common factor
to multiply 2 fractions -ANSWER multiply the numerators & the denominators
"straight across"
dividing fractions -ANSWER flip the second fraction and multiply
least common denominator -ANSWER The least common multiple of the denominators of
two or more fractions.
to change a fraction to a decimal -ANSWER divide the denominator into the numerator
until there are no remainders
to change decimals to fractions -ANSWER place the decimal portion of the number
(numerator) over the respective place value (denominator) then reduce
