MATH 225N WEEK 4 CONCEPT REVIEW GUIDE
2026 STATISTICS AND QUANTITATIVE
ANALYSIS BASICS
◉ divisor.
Answer: The number by which another number is divided.
◉ Divide.
Answer: separate or be separated into parts.
◉ product.
Answer: the answer to a multiplication problem
◉ factor.
Answer: a number that is multiplied by another number to find a
product
◉ dollar.
Answer: a basic unit of money in the U.S., Canada, Australia, and
other countries that is equal to 100 cents
◉ unknown.
,Answer: piece or pieces of a problem that you do not know. 3n = 12
(n is the unknown)
◉ remainder.
Answer: The amount left over when one number is divided by
another.
◉ quotient.
Answer: the answer to a division problem
◉ figure out.
Answer: Use information to find something you do not know
◉ Parentheses.
Answer: When simplifying an expression, the operations within the
parentheses are performed first. Also used for multiplication. 6(8) =
48
◉ Order of Operations (PEMDAS).
Answer: Order in which you solve a math expression: Parentheses,
Exponents, Multiplication, Division, Addition, and Subtraction
◉ calculate.
,Answer: to work out by using arithmetic
◉ numerator.
Answer: the top number in a fraction
◉ Shaded fraction.
Answer: the part of the fraction that is colored in (3/8)
◉ fraction.
Answer: a part of a whole; a broken piece of something that is no
longer whole
◉ denominator.
Answer: The bottom number in a fraction
◉ metric system.
Answer: a system of measurement based on the number 10
◉ line.
Answer: a straight row of points that oges on forever in both
directions
, ◉ ray.
Answer: A part of a line, with one endpoint, that continues without
end in one direction
◉ line segment.
Answer: a part of a line that has two endpoints
◉ align.
Answer: to line up
◉ meter (m).
Answer: A standard unit of length in the metric system.
◉ millimeter.
Answer: one thousandth of a meter (mm)
◉ kilometer (km).
Answer: A metric unit of length equal to 1000 meters.
◉ centimeter (cm).
Answer: A metric unit of length equal to 0.01 of a meter.
2026 STATISTICS AND QUANTITATIVE
ANALYSIS BASICS
◉ divisor.
Answer: The number by which another number is divided.
◉ Divide.
Answer: separate or be separated into parts.
◉ product.
Answer: the answer to a multiplication problem
◉ factor.
Answer: a number that is multiplied by another number to find a
product
◉ dollar.
Answer: a basic unit of money in the U.S., Canada, Australia, and
other countries that is equal to 100 cents
◉ unknown.
,Answer: piece or pieces of a problem that you do not know. 3n = 12
(n is the unknown)
◉ remainder.
Answer: The amount left over when one number is divided by
another.
◉ quotient.
Answer: the answer to a division problem
◉ figure out.
Answer: Use information to find something you do not know
◉ Parentheses.
Answer: When simplifying an expression, the operations within the
parentheses are performed first. Also used for multiplication. 6(8) =
48
◉ Order of Operations (PEMDAS).
Answer: Order in which you solve a math expression: Parentheses,
Exponents, Multiplication, Division, Addition, and Subtraction
◉ calculate.
,Answer: to work out by using arithmetic
◉ numerator.
Answer: the top number in a fraction
◉ Shaded fraction.
Answer: the part of the fraction that is colored in (3/8)
◉ fraction.
Answer: a part of a whole; a broken piece of something that is no
longer whole
◉ denominator.
Answer: The bottom number in a fraction
◉ metric system.
Answer: a system of measurement based on the number 10
◉ line.
Answer: a straight row of points that oges on forever in both
directions
, ◉ ray.
Answer: A part of a line, with one endpoint, that continues without
end in one direction
◉ line segment.
Answer: a part of a line that has two endpoints
◉ align.
Answer: to line up
◉ meter (m).
Answer: A standard unit of length in the metric system.
◉ millimeter.
Answer: one thousandth of a meter (mm)
◉ kilometer (km).
Answer: A metric unit of length equal to 1000 meters.
◉ centimeter (cm).
Answer: A metric unit of length equal to 0.01 of a meter.
