Components of Expressions
Identify the variable in the expression 3x + 5.
What is x?
Create an expression for the sum of 5 and a variable x.
What is 5 + x?
Evaluate the expression 2x + 3 when x = 4.
What is 11?
Simplify the expression 2x + 3x.
What is 5x?
If a book costs $15 and you buy x books, write an expression for the total cost.
What is 15x?
What is the operation in the expression 7 - 2?
What is subtraction?
Write an expression for the product of 4 and a variable y.
What is 4y?
What is the value of 5y - 2 when y = 3?
What is 13?
Combine like terms: 4y + 2y - y.
What is 5y?
You have 20 apples and give away y apples. Write an expression for the remaining apples.
What is 20 - y?
What are the parts of a mathematical expression?
What are numbers, variables, and operations?
Formulate an expression for the difference between a variable z and 10.
What is z - 10?
Find the value of 3a + 4 when a = 2.
What is 10?
Simplify the expression 3a + 4a - 2a.
What is 5a?
If a car travels 60 miles per hour for t hours, write an expression for the distance traveled.
What is 60t?
In the expression 4a + 3b, what is coefficient of a?
What is 4?
Create an expression for the quotient of a variable m and 2.
What is m/2?
Evaluate 2b2 + 3 for b = 3.
What is 21?
What is the simplified form of 6m + 2 - 3m?
What is 3m + 2?
You earn $10 for each hour worked. Write an expression for your earnings after h hours.
What is 10h?
In the expression 2x + 3y, how many terms are there?
What is 2?
Write an expression for the total cost if x is the number of items at $3 each.
What is 3x?
Evaluate: 2(x+3)− 4 when x=1.
What is 4?
Simplify the expression 2(x+3) + 4.
A cell phone plan charges a base fee of $30 per month. This includes 5 gigabytes of data. For every gigabyte of data used over the 5-gigabyte limit, the company charges an additional $15. If a customer uses d gigabytes of data in a month, write an expression for their total monthly bill.
What is 30+15d ?