Numerical and Algebraic Expressions

Front

What is the formula to calculate the perimeter of a rectangle?

Back

The perimeter of a rectangle can be calculated using the formula P = 2l + 2w, where l is the length and w is the width.

Front

If a rectangular picture frame has a length of 20 inches and a width of 15 inches, what is its perimeter?

Back

The perimeter is 70 inches.

Front

What expression represents the total cost of a vacation if Mr. Rojas spent d dollars, bought a plane ticket for $250, and stayed in a hotel for 5 nights?

Back

The expression is 250 + 5x, where x is the cost per night.

Front

If Sheila is y years old, how can we express Keith's age if he is 4 years older than twice Sheila's age?

Back

Keith's age can be expressed as 2y + 4.

Front

How many terms are in the expression 4x - 7y + 12?

Back

There are 3 terms in the expression.

Front

What does the phrase 'the product of 3 and p subtracted from 6' translate to in algebraic expression?

Back

The expression is 6 - 3p.

Front

Define a numerical expression.

Back

A numerical expression is a combination of numbers and operations (like addition, subtraction, multiplication, and division) without any variables.

Front

Define an algebraic expression.

Back

An algebraic expression is a mathematical phrase that includes numbers, variables, and operations.

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

What is a coefficient in an algebraic expression?

Back

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