Vocabulary
sum
addition
'three times n'
3n
Kemari has 's' t-shirts. His friend gave him 7 more.
s + 7
product
multiplication
the sum of a number and 2
m + 2
'a football team's score after the kicker hits a 3-point field goal'
s + 3
The difference between an algebraic expression and an expression
Contains variables
more than
addition
'8 less than a number'
n - 8
Bradley had pieces of candy. He split them evenly between 12 friends.
c/12
less than
subtraction
'the product of 4 and a number subtracted from 10'
10-4n
'the total cost of 25 identical shirts'
25n
quotient
division
'The sum of two times a number and 4'
2n+4
'the sum of one-half of a number and 9'
1/2 n + 9