Writing Expressions
Add 5 to a number, then divide by 5.
(n+5) / 5
8b + 3b
11b
6(x+5)
6x + 30
A store sells 5 shirts for 5x − 20. How much is the discount per hat?
$4.00
Write the algebraic equation that represents the formula of perimeter of a rectangle.
P = 2L + 2W
The product of seven and a number
7n
3b + 9 + 5b
8b + 9
3(y − 8)
3y - 8
A market sells 4 apples for 4x − 12. How much is the discount?
$3.00
Use the formula P = 2L + 2W to find the perimeter of a rectangle that has a length of 10.5 ft and a width 5.5 feet.
32 Feet
Four times the sum of a number and two
4(x + 2)
6m + 2n + 3m
9m + 2n
4(2x + 3)
8x + 12
A shop sells 12 notebooks for 12x − 60. What is the discount per notebook?
$5.00
Find the perimeter of a rectangle with
L=6.7 and W=2.3
18 inches
Eight less than five times a number
5x − 8
9x + 3y − 4x
5x + 3y
7(3b − 6)
21b - 42
A store sells 6 hoodies for 6x − 48. What is the discount per hoodie?
$8.00
Find the perimeter of a rectangle with
L=15.5 ft
W=5.5 ft
42 ft
Half of the sum of a number and ten
(x + 10) ÷ 2
1/2 (x + 10)
7r + 6 + 4s + r
8r + 4s + 6
3(x + 4) + 2x
3x + 12 + 2x
5x + 12
A market sells 10 toys for 10x − 50. What is the discount per toy?
$5.00
Find the perimeter of a rectangle with
L=9.9 m
W=3.1 m
26 meters