4-1 6th grade Envision

Front

What is the solution to the equation n - 2 = 7?

Back

n = 9

Front

How do you evaluate the expression 12 ÷ 3x when x = 1?

Back

4

Front

Given the equation d + 9 = 25, which value of d is a solution: d = 6, 14, or 16?

Back

16

Front

How can you express 'twelve less than a number' mathematically?

Back

x - 12

Front

What is the mathematical expression for 'the product of a number and twelve'?

Back

12x

Front

What is the first step to solve the equation n - 2 = 7?

Back

Add 2 to both sides of the equation.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting the variables with their values.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to get the variable by itself on one side of the equation.

Front

What is the definition of a variable in mathematics?

Back

A symbol used to represent an unknown value.

Front

What is the process of solving an equation?

Back

Finding the value of the variable that makes the equation true.