Variables and Expressions
Write an algebraic expression for the verbal expression.
The sum of fifty three and x
53 + x
Evaluate the expression given the value of the variable.
6x + 10 when x = 2
22
Which property allows you to switch the order of numbers and get the same answer?
Commutative Property
8(4+2)=
48
Why was the math book so sad?
Because it had too many problems
Write an algebraic expression for the verbal expression.
The product of thirty two and d
32d
Evaluate the expression given the value of the variable.
2p2 + 8 when p = 5
58
Which property allows you to regroup numbers in any way and still get the same answer.
Associative Property
5(x-3)
5x-15
What’s a math teacher’s favorite type of tree?
A geometry
Write the verbal expression for the algebraic expression:
5x
Five times a number x
Evaluate the expression given the value of the variable.
3 + 2x3 when x = 2
19
What property is this equation an example of?
8 + 4 = 4 + 3
Commutative Property (the order of the numbers changed)
7+9(2x-3)
18x-20
Why did the student eat their math homework?
Because the teacher said it was a piece of cake
Write the verbal expression for the algebraic expression:
6x - 12
Six times x minus twelve
The produce of six and x minus twelve
Evaluate 4x2 - 6 when x = 5
94
What property is this equation an example of?
(4 x 5) x 6 = 4 x (5 x 6)
The associative property
- 7(w - 4) + 3w - 27
- 4w + 1
Why was 6 afraid of 7?
Because 7 8 9
Write an algebraic expression for the verbal expression:
Two thirds the square of a number x
2/3x2
Evaluate 3a2 + 4a - 7 when a = 5
88
Use the associative property to rewrite the expression:
(7n + 5) + (9n + 3)
7n + (5 + 9n) + 3
-5(k + 6) + 7(k - 4)
2k - 58
Alge bros