Expressions and Equations Vocabulary Practice

What is a symbol or letter used to represent a number in mathematical expressions or sentences?

• variable

• algebra

• tiktok

• rational number

When you rearrange an equation so a different variable is on it's own it is called to__________ the variable.

• trip

• dismiss

• inverse

• isolate

What is the numerical factor of a term that consists of a variable?

• rational number

• variable

• like term

• coefficient

A number sentence; a combination of variables, constants, and operations, but no equal sign

• expression

• equation

• terms

• solution

Match the following vocabulary with their definition

• Equation

• a mathematical phrase containing only numbers and one or more operation symbols

• Numerical expression

• A mathematical sentence that contains ≠,<,>,≥,≤; a statement that two values are not equal

• Expression

• A value expressed as numbers and/or variables, and operation symbols grouped together; One side of and equation

• Algebraic expression

• A mathematical sentence that contains an equal sign showing two expressions have the same value

• Inequality

• A mathematical phrase involving at least one variable and sometimes numbers and operation symbols

A statement of the form "expression = expression" is called a(n)​ (a)   .

• equation

• expression

• evaluating and expression

• evaluating and equation

• solution

• equivalent

A mathematical sentence

that shows that two expressions are

equivalent.

• difference

• equation

• constant

• solution

A math sentence without an equal sign.

• Equation

• Expression

• Variable

• Coefficient

Represent the statement as an equation. The sum of five times a number and -6 is -2.

Mathematical Equivalence

ON

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80