Writing Expressions
2 less than d
What is d-2
Five friends share the cost of dinner equally. Write an expression for the cost per person.
What is x ÷ 5
Evaluate k + 10 when k = 25.
What is 35
A(n) ________ _____________ is an expression that may contain numbers, operations, and one or more symbols.
What is an algebraic expression
The length of Interstate 90 from the West Coast to the East Coast is 153.5 miles more than 2 times that length of Interstate 15 from southern California to northern Montana. Let m be the length of Interstate 15. Which expression can you use to represent the length of Interstate 90?
a.) 2m + 153.5
b.) 2m - 153.5
c.) 153.5 - 2m
d.) 153.5m + 2
What is a.) 2m + 153.5
Evaluate 4n when n = 12.
What is 48
Parts of an algebraic expression are called _______.
What are terms
You make party favors for an event. You tie 9 inches of ribbon around each party favor. Write an expression for the amount of ribbon you need for n party favors.
What is 9n
Evaluate 30 - 24 ÷ y when y = 6.
What is 26
A symbol or letter that represents one or more numbers is called a ___________.
What is a variable
Florida has 8 less than 5 times the number of counties in Arizona. Write an expression for the number of counties in Florida.
What is 5a - 8
Evaluate b2 - 7 when b = 4.
What is 9
The numerical factor that contains a variable is a _____________.
What is a coefficient
5 more than h
What is h + 5
The difference between two numbers is 8. The lesser number is a. Write an expression for the greater number.
What is a + 8
Evaluate 1.5 + m3 when m = 2.
What is 9.5
A term without a variable is called a ___________.
What is a constant