Test for class

Front

What is the process of estimating the sum of two numbers?

Back

To estimate the sum, round each number to the nearest ten and then add the rounded numbers.

Front

How do you solve a linear equation with a variable?

Back

To solve a linear equation, isolate the variable on one side of the equation by performing inverse operations.

Front

What is the value of an expression when substituting a variable?

Back

To find the value of an expression with a variable, substitute the given value for the variable and simplify.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified place value, such as the nearest ten or hundred.

Front

What is the formula for combining like terms in an algebraic expression?

Back

Combine like terms by adding or subtracting the coefficients of terms that have the same variable raised to the same power.

Front

How do you evaluate an expression with multiple variables?

Back

Substitute the values of the variables into the expression and then perform the arithmetic operations.

Front

What is the significance of the coefficient in a term?

Back

The coefficient is the numerical factor that multiplies the variable in a term, indicating how many times the variable is counted.

Front

What is the result of subtracting a larger number from a smaller number?

Back

Subtracting a larger number from a smaller number results in a negative value.

Front

How do you interpret the solution of a linear equation?

Back

The solution of a linear equation represents the value of the variable that makes the equation true.

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations; one undoes the effect of the other.