Vocabulary
What is a combination of numbers and at least one operation?
Expression
Name the Order of Operations. Is there a way that you remember the steps?
Parentheses
Exponents
Add or Subtract (Left to Right)
Multiply or Divide (Left to Right)
Please Excuse My Dear Aunt Sally
Write each phrase as a numerical expression.
multiply 4 and 7, then subtract 5
(4 x 7) - 5
The admission to the skating rink is $5 and $6 for food for one person.
Write an expression for the total cost for one person.
$5 + $6
What is a word for to solve or to find the value?
Evaluate
Evaluate this expression.
2 times {15 - [(12 div 3) times2]}
14
Write the phrase as a numerical expression.
add 3 to the product of 10 and 4
(10 x 4) + 3
Tia and her five friends are going to the ice skating rink. Each person pays $5 for admission and $6 for food. Write an expression to find the total cost for Tia and her friends.
($5 + $6) x 6
What are a set of rules to follow when more than one operation is used in an expression?
Order of Operations
Write the phrase as a numerical expression.
subtract 8 from the quotient of 15 and 3
(15 div 3) - 8
Tia and her five friends are going to the ice skating rink. Each person pays $5 for admission and $6 for food. There is a coupon for $10 off the total cost. Write an expression to find the total cost for Tia and her friends. What is the total cost?
[($5 + $6) x 6] - $10 = $56
Write the phrase as a numerical expression.
subtract 9 from 13, then multiply the result by 2
(13 - 9) times 2
Cameron has 2 video game holder stands. Each stand has 2 rows of 20 games and 2 rows of 24 DVDs. Write and evaluate a numerical expression to find the total number of games and DVDs Cameron's stand can hold.
What expression would you use to find the answer? What is the answer?
[(2 x 20) + (2 x 24)] x 2
[40 + 48] x 2
88 x 2 = 176 games and DVDs
Arturo buys 3 containers of ice cream for $5 each and a cake that costs $8 to take to his friend's party. Which expression will allow you to find how much money Arturo spent on ice cream and cake?
A) $8 x 3 x $5 C) (3 x $8) + $5
B) (3 x $5) + $8 D) 3 x ($5 + $8)
B) (3 x $5) + $8