Writing Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing variables and constants.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Tags

CCSS.8.EE.C.7B

Front

Write an equation for the situation: The total number of piano lessons (p) minus the 3 completed lessons equals 15.

Back

p - 3 = 15

Tags

CCSS.HSA.CED.A.3

Front

What is the meaning of the variable in an equation?

Back

A variable represents an unknown value that can change or vary in an equation.

Tags

CCSS.HSA-SSE.A.1A

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

Tags

CCSS.6.EE.B.7

Front

What is the equation for: The product of four and a number is twelve?

Back

4x = 12

Tags

CCSS.HSA.CED.A.3

Front

What does the term 'constant' mean in an equation?

Back

A constant is a fixed value that does not change, such as numbers like 3, 12, or -5.

Tags

CCSS.6.EE.A.2B

Front

Write an equation for the situation: Olivia bought a notebook for $12.50 and 9 pens for a total of $43.73. How much was each pen?

Back

43.73 = 12.5 + 9x

Tags

CCSS.HSA.CED.A.3

Front

What is a linear equation?

Back

A linear equation is an equation of the first degree, meaning it has no exponents greater than one and graphs as a straight line.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variable(s) involved.

Tags

CCSS.6.EE.A.4