Writing Algebraic Expressions
the sum of a number and seventeen
n + 17
Simplify the expression.
9x + 9 - 7 + 2x
11x+2
Evaluate the Expression
n - 15 for n = 50
35
Mrs. Findlay bought pizzas for $18 each. She bought p pizzas. Write an expression to find the total cost.
18p
The product of eight and a number
8n
Simplify the expression.
5n + 4m + 2n -m + 1
7n + 3m + 1
Simplify. 4(n-7)
4n-28
Evaluate the Expression
3n + 12 for n = 6
30
Mrs. Auger had eighteen globes and received a delivery containing g more globes, but one was broken. Write an expression showing how many globes Mrs. Auger now has.
18 + g -1
12 less than m
m-12
Simplify the expression.
11s - 8s + 6 - 3s
6
Evaluate the Expression
(8n - 7) + 2 for n = 6
43
Mrs. Martinsen had to grade p papers, so she decided to spread them out evenly over 5 days. Write an expression to show how many papers Mrs. Martinsen will grade each day for 5 days.
p/5
Six less than the product of 8 and p
8p - 6
Simplify the expression.
2y - 4x + 8y + 12x + x + 5
9x + 10y + 5
Simplify. 3(4x-10y)
12x-30y
Evaluate the Expression
(5a - 2b) + 2 for a=6 and b=3
26
Ms. St. John had 5 cans of soup in her pantry. She then went to the grocery store and bought 3 cases of soup with s cans in each case. Write an expression to represent how many total cans of soup she has now.
5 + 3s
or
3s + 5
Ten more than the quotient of 3 and c
3/c +10
Simplify the expression.
8s + 15 - 7s - 4 + 12s2
12s2 + s + 11
Simplify. 6(3a+9b)
18a+54b
Evaluate the Expression
(4a + 2b)/c for a=5, b=1, and c=11
2
Mrs. Ballou bought c cakes for 20 dollars each and p pies for 15 dollars each. Write an expression to represent the total cost for all of the cakes and pies.
20c + 15p