NYSTCE Childhood Math 222 questions and
answers with solutions 2025/2026
set of whole positive and negative numbers includes zero. Does not
include fractions, decimals, or mixed numbers - ANSWER Integer
whole number greater than one, only has two factors (itself and 1) -
ANSWER Prime number
whole number greater than one, has more than two factors - ANSWER
Composite number
any integer that can be divided by evenly divided by 2 without leaving a
remainder - ANSWER Even number
any integer that cannot be evenly divided by 2 - ANSWER Odd number
number that uses decimal point to show the part of the number that is
less than one - ANSWER Decimal number
symbol used to separate the ones place from the tenths place in
decimals or dollars from cents in currency - ANSWER Decimal point
,position of number to the right of the decimal point - ANSWER Decimal
place
uses two different digits - ANSWER Base 10 number system
includes all integers, decimals, and fractions. All terminating/repeating
decimals - ANSWER Rational numbers
cannot be written as fractions or decimals because number of decimal
places is infinite and no recurring patterns exist - ANSWER Irrational
numbers
set of all rational and irrational numbers - ANSWER Real numbers
numbers that are multiplied together to obtain a product - ANSWER
Factors
Number that divides exactly into two or more other numbers - ANSWER
Common factor
A factor that is also a prime number - ANSWER Prime factor
largest number that is a factor of two or more numbers - ANSWER
Greatest common factor (GCF)
, smallest number that is a multiple of two or more numbers - ANSWER
Least common multiple (LCM)
approximation of a number by increasing or decreasing it to the nearest
possible exact value of the cutoff digit, 5 or higher round up, 4 or lower
round down - ANSWER Rounding
increases value of one quantity by the value of the another quantity -
ANSWER Addition
opposite of addition, decreases value of one quantity by value of
another quantity - ANSWER Subtraction
repeated addition, one number tells you how many times to add the
other number to itself - ANSWER Multiplication
opposite of multiplication, repeated subtraction, one number tells you
how many parts to divide the other number into - ANSWER Division
superscript number placed at top right, indicates how many times to
multiply base number by it self - ANSWER Exponent
PEMDAS, multiplication and division/addition and subtraction have
equal weight so they are completed left to right in order - ANSWER
Order of operations
answers with solutions 2025/2026
set of whole positive and negative numbers includes zero. Does not
include fractions, decimals, or mixed numbers - ANSWER Integer
whole number greater than one, only has two factors (itself and 1) -
ANSWER Prime number
whole number greater than one, has more than two factors - ANSWER
Composite number
any integer that can be divided by evenly divided by 2 without leaving a
remainder - ANSWER Even number
any integer that cannot be evenly divided by 2 - ANSWER Odd number
number that uses decimal point to show the part of the number that is
less than one - ANSWER Decimal number
symbol used to separate the ones place from the tenths place in
decimals or dollars from cents in currency - ANSWER Decimal point
,position of number to the right of the decimal point - ANSWER Decimal
place
uses two different digits - ANSWER Base 10 number system
includes all integers, decimals, and fractions. All terminating/repeating
decimals - ANSWER Rational numbers
cannot be written as fractions or decimals because number of decimal
places is infinite and no recurring patterns exist - ANSWER Irrational
numbers
set of all rational and irrational numbers - ANSWER Real numbers
numbers that are multiplied together to obtain a product - ANSWER
Factors
Number that divides exactly into two or more other numbers - ANSWER
Common factor
A factor that is also a prime number - ANSWER Prime factor
largest number that is a factor of two or more numbers - ANSWER
Greatest common factor (GCF)
, smallest number that is a multiple of two or more numbers - ANSWER
Least common multiple (LCM)
approximation of a number by increasing or decreasing it to the nearest
possible exact value of the cutoff digit, 5 or higher round up, 4 or lower
round down - ANSWER Rounding
increases value of one quantity by the value of the another quantity -
ANSWER Addition
opposite of addition, decreases value of one quantity by value of
another quantity - ANSWER Subtraction
repeated addition, one number tells you how many times to add the
other number to itself - ANSWER Multiplication
opposite of multiplication, repeated subtraction, one number tells you
how many parts to divide the other number into - ANSWER Division
superscript number placed at top right, indicates how many times to
multiply base number by it self - ANSWER Exponent
PEMDAS, multiplication and division/addition and subtraction have
equal weight so they are completed left to right in order - ANSWER
Order of operations
