Relational Thinking Do Now

Front

What is comparative relational thinking?

Back

Comparative relational thinking is the ability to compare and relate different mathematical expressions or equations to find unknown values.

Front

Solve for n: 74 - 11 = 66 - n

Back

n = 3

Front

Solve for n: 55 + 176 = n + 86

Back

n = 145

Front

Is the equation 29 - 5 = 31 - 7 true or false?

Back

True

Front

Solve for n: 55 - 7 = 48 - n

Back

n = 0

Front

What does it mean to find an unknown number in an equation?

Back

Finding an unknown number means determining the value of a variable that makes the equation true.

Front

What is the first step in solving an equation with an unknown?

Back

The first step is to isolate the variable on one side of the equation.

Front

If 10 + n = 15, what is n?

Back

n = 5

Front

What is the relationship between addition and subtraction in equations?

Back

Addition and subtraction are inverse operations; they can be used to balance equations.

Front

If 20 - n = 15, what is n?

Back

n = 5