ILTS 305 Math Exam 2026 Questions and
Answers
Number - Answer -basic building block
integer - Answer -All whole numbers (both positive and negative) and zero.
prime number - Answer -A whole number that has exactly two factors, 1 and itself.
composite number - Answer -A whole number greater than 1 that has more than
two factors.
rational number - Answer -A number that can be written as a fraction
irrational number - Answer -a number that can NOT be expressed as a ratio of two
integers or as a repeating or terminating decimal - Pi or any square root of an
imperfect square are considered irrational
Number line - Answer -
absolute value - Answer -The distance a number is from zero on a number line
divisor - Answer -The number by which another number is divided.
quotient - Answer -the answer to a division problem
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,Parenthesis - Answer -
Exponet - Answer -number that represents the number of times the base is used as
a factor
root - Answer -a solution of an equation
perfect square - Answer -a square of a whole number
order of operations - Answer -PEMDAS (parenthesis, Exponents, Multiplication,
Division, Addition, Subtraction)
common factor - Answer -Any common factor of two or more numbers.
prime factorization - Answer -a number written as the product of all its prime
factors
GCF (Greatest Common Factor) - Answer -the greatest number that is a factor of
two or more numbers
least common multiple (LCM) - Answer -The smallest multiple (other than zero)
that two or more numbers have in common.
fraction - Answer -part of a whole
numerator - Answer -the top number in a fraction
denominator - Answer -The bottom number in a fraction
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, equivelent fractions - Answer -when one fraction is equal to another.
common denominator - Answer -A denominator that is the same in two or more
fractions.
Adding and Subtracting Fractions - Answer -make denominator same number then
add or subtract across
Multiplying Fractions - Answer -1. Multiply the numerators.
2. Multiply the denominators.
Dividing Fractions - Answer -To divide fractions, invert the second one and
multiply
Multiplying mixed numbers - Answer -Change to an improper fraction and
multiply; then change the answer, if in improper form, back to a mixed number and
reduce if necessary.
Example: 3 1/3 x 2 1/4 = 10/3 x 9/4 = 90/12 =
7 6/12 = 7 1/2`
adding and subtracting decimals - Answer -Line up the decimal points and proceed
as usual
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
Answers
Number - Answer -basic building block
integer - Answer -All whole numbers (both positive and negative) and zero.
prime number - Answer -A whole number that has exactly two factors, 1 and itself.
composite number - Answer -A whole number greater than 1 that has more than
two factors.
rational number - Answer -A number that can be written as a fraction
irrational number - Answer -a number that can NOT be expressed as a ratio of two
integers or as a repeating or terminating decimal - Pi or any square root of an
imperfect square are considered irrational
Number line - Answer -
absolute value - Answer -The distance a number is from zero on a number line
divisor - Answer -The number by which another number is divided.
quotient - Answer -the answer to a division problem
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,Parenthesis - Answer -
Exponet - Answer -number that represents the number of times the base is used as
a factor
root - Answer -a solution of an equation
perfect square - Answer -a square of a whole number
order of operations - Answer -PEMDAS (parenthesis, Exponents, Multiplication,
Division, Addition, Subtraction)
common factor - Answer -Any common factor of two or more numbers.
prime factorization - Answer -a number written as the product of all its prime
factors
GCF (Greatest Common Factor) - Answer -the greatest number that is a factor of
two or more numbers
least common multiple (LCM) - Answer -The smallest multiple (other than zero)
that two or more numbers have in common.
fraction - Answer -part of a whole
numerator - Answer -the top number in a fraction
denominator - Answer -The bottom number in a fraction
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
, equivelent fractions - Answer -when one fraction is equal to another.
common denominator - Answer -A denominator that is the same in two or more
fractions.
Adding and Subtracting Fractions - Answer -make denominator same number then
add or subtract across
Multiplying Fractions - Answer -1. Multiply the numerators.
2. Multiply the denominators.
Dividing Fractions - Answer -To divide fractions, invert the second one and
multiply
Multiplying mixed numbers - Answer -Change to an improper fraction and
multiply; then change the answer, if in improper form, back to a mixed number and
reduce if necessary.
Example: 3 1/3 x 2 1/4 = 10/3 x 9/4 = 90/12 =
7 6/12 = 7 1/2`
adding and subtracting decimals - Answer -Line up the decimal points and proceed
as usual
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
