6.EE.2 - Expressions

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

How do you express 'twice a number' algebraically?

Back

'Twice a number' can be expressed as 2n, where n represents the number.

Front

What does the expression '6n + 9' represent in words?

Back

The expression '6n + 9' represents '9 more than 6 times a number'.

Front

How do you evaluate an expression with given variable values?

Back

To evaluate an expression, substitute the given values for the variables and perform the arithmetic operations.

Front

What is the value of the expression 3 x 15s - 6h when s = 1.5 and h = 3?

Back

The value is 49.5.

Front

How can you represent a pledge amount based on distance walked?

Back

The pledge amount can be represented by an expression like 10 + 5k, where k is the number of kilometers walked.

Front

If k = 6 in the expression 10 + 5k, what is the total amount pledged?

Back

The total amount pledged is $40.

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is the difference between a variable and a constant in an expression?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value.

Front

How do you combine like terms in an expression?

Back

To combine like terms, add or subtract the coefficients of terms that have the same variable raised to the same power.