Lesson 93. Solving Equations

What is the variable in the equation 60 = 20 + T

Tom has 30 baseball cards. In the equation 20 + T = 30, "T" stands for __________.

In Math, a variable is constant, meaning it does not change.

Some math sentences are called _________________.

An equation shows how numbers are related?

Vincent and Tom have a certain amount of time to play. The word "certain" means _________________.

A term that means "in all " means ___________________.

A kind of math that uses variables to express how numbers are related.

A variable is something that changes.

When we describe something that changes , we say it varies.

Another way to say equals " is equal to"

A variable is an "unknown amount."

You write ______________ to solve math problems.

Number or amount of something