Name that Property-Variables
f + g = g + f
Commutative Property of Addition
How many terms are in this expression?
4a + 8bc - 7d
Three
What is the value of the expression if x = 6?
3x - x
The value is 12
3*6 - 6
18 - 6
12
What is the reciprocal of 1/2?
2
(Or 2/1)
7 * 9 * 20 * h = 20 * 9 * h * 7
Commutative Property of Multiplication
How are multiplication and division handled according to order of operations rules?
In order, from left to right.
Evaluate the expression if x = 3 and y = 2
x2 + y3
The value is 17
9 + 8
17
What is the reciprocal of 4/3?
3/4
(ab)c = a(bc)
Associative of Multiplication
6 + (8 + y) = (6 + 8) + y
Associative Property of Addition
We know that a * 0 = 0.
If x * y = 0, what must be true about x and/or y?
That at least one of them has to be zero.
What is the value of 14?
The value is 1
1*1*1*1
What is the reciprocal of 2 1/2?
2/5
a + (-a) = 0
Inverse Property of Addition
(Additive Inverse)
291n * 1 = 291n
Multiplicative Identity
What is the coefficient of 43g2
43
How could I write "5 less than a number" algebraically?
n - 5
What is the reciprocal of 3 2/3
3/11
(a +b) + c = a + (b + c)
Associative Property of Addition
1/4 of 4 = 1
Inverse Property of Multiplication
(Multiplicative Inverse)
What is the value of 24?
2*2*2*2 = 16
Joe needs to write "the quotient of 7 and m" algebraically. Would he write:
a) m/7 or
b)7/m
b) 7/m
What is an algebraic expression for "7 more than 11 times a number"?
11n+7