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The librarian has 682 books and buys b more.
b + 682
Alice had 12 needles in her sewing kit, but then lost n needles.
12 - n
There are w windows on each of 8 buildings.
8w
Connie has a green envelope contanining g counters. How many counters will she have if she has 7 less
g-7
Maliha thinks of a number x. What will she get when she divide the number by 2 then subtract 9?
x:2-9
The cost of an adult's ticket is $a and that cost of a child is $b. What is the total cost for a group of 2 adults and 1 child?
2a+b
Write an expression for number x when adds 5 to it then multiplies by 3.
(x+5)*3
Write an expression: Subtract 3 from n then divided by 2
(n-3):2
Write an expression: Add 2 and n then multiply by 5
5(n+2)
David has x DVDs. He buy 6 more. How many DVDs does he now have?
x+6
Molly is m years old and Barney is b years old. What is the total of their ages?
m+b
Kevin thinks of a number n. Write an expression for the number that is half of his number.
n/2
Given number x. What will we get after adding 8 and taking away 6 from x?
x+8-6=x+2
Amma has a pencil that is y cm long. Write an expression for the length that is ten times as long as the pencil.
10y
The mystery number is n. Write an expression for the amount that is four times the number and then squared.
(4n)^2
Danny has some red bags each containing r counters and some yellow bags each containing y counter. How many counters will he have if he has two yellow bags and seven red bags?
7r+2y
