Table of Contents
ToggleThe LCM of two numbers a and b is the smallest number that is divisible by both a and b.
LCM is the lowest multiple that is common to two or more numbers.
In simple terms, LCM is the smallest number that both numbers can divide into evenly.
Least refers to the smallest value in a set of numbers or the smallest possible value that satisfies a condition.
The least squares method is a statistical technique used to minimize the differences between observed and predicted data points by finding the best-fitting line.
Lim is shorthand for limit in calculus, representing the value that a function approaches as the input approaches a certain value.
A line of symmetry divides a shape into two identical parts, where one side is the mirror image of the other.
It’s the line that splits a figure into two parts that are identical mirror images.
The linear parent function is the simplest form of a linear equation: , where the graph is a straight line with a slope of 1 and passes through the origin.
LOC often stands for Location or Line of Centers in certain math contexts, but it may depend on the specific application.
Long-term typically refers to trends or behavior of functions, sequences, or systems as time progresses indefinitely.
In certain contexts, m/s refers to meters per second, a unit of speed or velocity.
A math error on a calculator indicates that the operation you tried to perform is mathematically undefined or impossible (e.g., dividing by zero).
For the Math HL Internal Assessment (IA), the page limit usually includes text, graphs, and appendices, though exact guidelines should be checked with the IB specifications.
Math theories are formal explanations of relationships between mathematical concepts, often expressed through theorems, proofs, and definitions.
In programming (e.g., Python), **Math.pow()**
calculates a number raised to the power of another number (e.g., Math.pow(2, 3)
returns 8).
In Java, Math.pow()
returns the value of the first argument raised to the power of the second argument.
Mean is the average of a set of numbers, calculated by dividing the sum of all values by the total number of values.
The mode is the number that appears most frequently in a data set.
A system or data set that is more consistent has less variability or fluctuation in the values or outcomes.
There isn’t a standard acronym “MPIRE” in math; it may be a typo or acronym specific to a certain institution or context.
NCD usually stands for Numerical Control Data, though its application varies across contexts. In probability, it may refer to normal cumulative distribution.
The New Math movement focuses on conceptual understanding rather than memorization. It introduces topics like set theory, modular arithmetic, and base number systems earlier in education.
A quantity with no magnitude means it has a value of zero or no measurable size.
There’s no common use of NPD in standard math. It may be an abbreviation specific to a particular field or context.
In math, an oblong refers to a rectangle or an elongated figure with unequal adjacent sides.
In math, OE could stand for Or Equal, commonly used in inequalities as ≤ or ≥.
In math, “of” typically indicates multiplication. For example, 50% of 20 means .
One squiggly line, or ~, can represent approximation or similarity in geometry.
In probability, P (no match) could refer to the probability that none of the outcomes match a certain event.
Parity refers to whether a number is even or odd. Even numbers have a parity of 0, while odd numbers have a parity of 1.
In SAT tests, Passport to Advanced Math requires understanding of higher-level algebra topics like functions, quadratic equations, and nonlinear expressions.
A math phrase refers to an algebraic or numerical expression without an equals sign (e.g., ).
A plane in math is a flat, two-dimensional surface that extends infinitely in all directions.
In math, position refers to the location of a point in space, typically given by coordinates in a plane or space.
A proportion is an equation stating that two ratios are equal, such as .
The term proportion in math means a statement that two ratios or fractions are equal.
Pure math focuses on abstract mathematical theories and concepts, as opposed to applied mathematics, which focuses on solving real-world problems.
A ratio is a comparison of two numbers by division. It shows how many times one value contains or is contained within the other.
To rationalize in math means to eliminate a radical (usually a square root) from the denominator of a fraction by multiplying both the numerator and denominator by an appropriate value.
Real numbers include all the numbers on the number line, including integers, fractions, and irrational numbers (like ).
A reasonable answer makes sense in the context of the problem, while an unreasonable answer does not fit the situation or constraints.
A reasonable answer in math is an answer that logically fits the context and is within expected bounds.
A reasonable estimate is a close approximation that makes sense based on the numbers provided.
Reasonable in a math problem means the solution is logical and fits the situation described in the problem.
Reasonable means that the result or estimate fits the context of the problem and is likely correct within reasonable limits.
Receive isn’t a common term in math, but in context, it could refer to receiving or collecting data in statistics or probability.
Recipient in a math context may refer to the entity receiving a value, outcome, or data in a problem.
The reciprocal of a number is 1 divided by that number. For example, the reciprocal of 5 is .
A relation is a set of ordered pairs, typically representing a relationship between inputs and outputs.
In French, relative is translated as “relatif,” and in math, it refers to the relative position or value in comparison to another.
To repeat in math can refer to repeating patterns in sequences or repeating digits in decimal numbers.
In math, revenue refers to the total income generated from sales or services, typically calculated by multiplying price by quantity sold.
RTP can stand for “Required to Prove,” often used in proofs or problem-solving tasks.
S is commonly used to represent sum, speed, or a set in set theory.
To simplify a ratio means to reduce the numbers in the ratio to their smallest whole number form while maintaining the same proportion.
Standard math practice refers to commonly accepted methods of solving math problems, including the use of algorithms and techniques like long division.
Steadily refers to a constant rate of change, such as a straight line on a graph representing a linear relationship.
In an equation, the subject is the variable that is being solved for.
Symbols in math represent various operations, constants, and variables, such as and .
A tangram is a geometric puzzle consisting of seven flat pieces that can be arranged to form different shapes.
The crocodile mouth refers to the greater than ( > ) or less than ( < ) symbols. The “mouth” always opens toward the larger number.
The gamma symbol Γ represents the gamma function in mathematics, which generalizes factorials to non-integer values.
Math symbols represent various operations and relationships, such as:
Min stands for minimum, the smallest value in a set of numbers.
In statistics, asterisks or stars often represent the significance level of data results.
The symbol stands for the set of real numbers, which includes all rational and irrational numbers.
Reasonable in math means an answer or estimate that makes logical sense in the context of the problem.
Two vertical lines indicate the absolute value of , which is always non-negative.
At least means the value is greater than or equal to a certain number.
Congruent means that two figures or shapes are identical in size and shape.
Consecutive refers to numbers or objects that follow each other in order without gaps (e.g., 1, 2, 3).
LCM stands for Least Common Multiple, the smallest multiple shared by two or more numbers.
Positive refers to a number greater than zero.
In math, reasonable means that the solution or answer fits within the context of the problem and makes logical sense.
The symbol Ø represents the empty set, a set that contains no elements.
Three lines often represent equivalence, meaning two things are identical in value or form.
In geometry, through refers to a point lying on a line or plane (e.g., “The line passes through point A”).
A tonne is a metric unit of mass equal to 1,000 kilograms.
A transformation in math refers to changes made to a figure or function, such as:
A two-way table displays data that pertain to two different categories, used to organize and analyze bivariate data.
In sequences, U(n) often represents the nth term in a sequence.
Unrestricted means that there are no specific constraints or limitations on a value or variable.
To write an expression means to create a mathematical phrase that can include numbers, variables, and operations, but no equal sign.
In math, x is commonly used to represent an unknown variable or a value to be solved.
Engineers often say that math is an essential tool for solving real-world problems, particularly in fields like mechanics, electronics, and design.
In general, engineers view math as the foundation of engineering, required for calculations, analysis, and system design.
An inverse function reverses the operation of a function, so if gives , then the inverse gives .
This could be a reference to obtaining a result of 11.25 in a calculation, perhaps from multiplying or dividing two values.
In the 11+ exams, a score of 80-85% is often considered passing, though this varies by school and region.
Level 3 Maths refers to A-level Maths or equivalent, typically studied at ages 16-18.
If you fail math in 9th grade CBSE, you may need to retake the exam in supplementary exams, or in some cases, repeat the year.
If you fail a math course in university, you may have to retake the course, or it could affect your GPA or graduation progress, depending on university policies.
When a power is raised to another power (e.g., , you multiply the exponents, so the result is .
A statistical model is a mathematical representation of data, used to describe relationships between variables, such as regression models.
“What if” questions in grade 8 math encourage critical thinking, such as exploring what happens if certain values are changed in a problem.
Using a scientific calculator on SAT 2 Math is allowed, but a graphing calculator is recommended for efficiency and solving more complex problems.
If you have two modes in a data set, it’s called bimodal, meaning the data set has two values that appear most frequently.