Order of Operations
5 (6-2 x 3)
What is 60?
4 + 5t = 5t + 4
What is the commutative property?
3a + 2b, if a = 5 and b = 6
What is 27?
64 = 8x
What is x = 8?
The perimeter of a rectangle with sides of 6 meters and 4 meters.
What is 20 meters?
The correct order of operations
What is parenthesis, exponents, multiplication and division (left to right), then addition and subtraction (left to right).
5 (6 x 3) = (5 x 6) 3
What is the associative property?
6b - 4b + 15
What is 2b + 15?
17- c = 12
What is c = 5?
The perimeter of a square with sides of 10 inches.
What is 40 inches?
52 + 6 / 3 - 15
What is 39?
The two operations to which the commutative property can apply.
What are addition and multiplication?
l 5-7 l
What is 2?
7 = x/9
What is 63?
The area of a rectangle with sides of 5 inches and 12 inches.
What is 60 inches squared?
23 x 4 - 13 + 3
What is 22?
The two properties to which the commutative property cannot apply.
What are subtraction and division?
72/88
What is 9/11?
h = -15 + (-4)
What is h = -19?
The area of a square with sides of 12 inches.
What is 144 inches squared?
[53 - 15] x 6 + 2
What is 662?
2 (x + y) = 2x + 2y
What is the distributive property?
8 + (-11) = ?
What is -3?
When you use inverse operations versus when you solve a problem directly.
What is inverse operations are used when you need to isolate a variable instead of when the variable is already isolated?
The solution to the area problem with the following substitutions:
A = lw, if a=105 and l = 7
What is 15?