Operations & Number Sense
Algebra & Equations
Geometry & Measurement
Data & Probability
Testing Vocabulary
100

What is the operation of finding the total by combining two or more numbers?

Addition

100

What do you call a math sentence that says two expressions are equal?

Equation

100

What do you call the distance around a shape?

Perimeter

100

What do you call the average of a set of numbers?

Mean

100

What does it mean to find the answer to a problem?

Solve

200

What do you call the operation used to find the difference between two numbers?

Subtraction

200

What symbol shows that two values are equal?

=
200

What do you call the space inside a 2D shape?

Area

200

What is the number that appears most often in a data set?

Mode

200

What does it mean to describe the steps used to get an answer?

Explain

300

What is the product of any number and an integer called?

Multiples

300

What is a number that tells how many times to multiply the base?

Exponent

300

What is an angle more than 90 degrees called?

Obtuse angle

300

What is the middle value in a data set called?

Median

300

What’s the term for checking the accuracy of your answer?

Verify

400

What kind of number can be positive, negative, or zero, but not a fraction or decimal?

Integer

400

What’s the word that means to reduce an expression to its simplest form?

Simplify

400

What’s the amount of space inside a 3D object called?

Volume

400

What is the chance of an event occurring?

Probability

400

What do you call a math rule that uses symbols like A = L × W?

Formula

500

What do we call a number that divides another number evenly?

Factor

500

What is it called when two expressions are not equal and use symbols like > or <?

Inequality

500

What is the term for the distance a number is from zero?

Absolute value

500

What’s the difference between the largest and smallest number in a data set?

Range

500

What do you call a math drawing that helps show parts or how something works?

Diagram

M
e
n
u