Understanding equations and solutions

Front

What is a mathematical sentence stating that two expressions are equal?

Back

Equation

Tags

CCSS.6.EE.A.2C

Front

What is the solution to the equation d + 9 = 25?

Back

d = 16

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation f - 13.2 = 28.9?

Back

f = 42.1

Tags

CCSS.6.EE.B.7

Front

What do we call a letter or symbol that represents an unknown value?

Back

Variable

Tags

CCSS.6.EE.A.2B

Front

Which equation has x=9 as a solution?

Back

5x = 45

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Tags

CCSS.6.EE.A.2B

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the first step in solving the equation 2x + 3 = 11?

Back

Subtract 3 from both sides.

Tags

CCSS.7.EE.B.4A

Front

What does it mean for a number to be a solution of an equation?

Back

It means that when substituted into the equation, it makes the equation true.

Tags

CCSS.6.EE.B.5

Front

What is the process of checking if a value is a solution to an equation called?

Back

Verification

Tags

CCSS.6.EE.B.5