5.4B Equations

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, often containing variables.

Tags

CCSS.6.EE.A.2C

Front

What does it mean to solve for a variable in an equation?

Back

To solve for a variable means to find the value of that variable that makes the equation true.

Tags

CCSS.6.EE.B.7

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

Tags

CCSS.7.NS.A.3

Front

What is a variable in an equation?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.

Tags

CCSS.6.EE.A.2B

Front

How do you isolate a variable in an equation?

Back

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

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 23 + 7 x 11 + q = 8 x 7 + 34 + 14?

Back

q = 4.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 17 + 12 + s = 11 + 23?

Back

s = 5.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 16 + p + 9 = 12 + 17?

Back

p = 4.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 11 + 2 x 8 = c + 13?

Back

c = 14.

Tags

CCSS.6.EE.B.7

Front

What is the solution to the equation 12 x 4 + 13 + 20 = 34 + r?

Back

r = 47.

Tags

CCSS.7.EE.B.4A