Order of Operations
Using the Order of Operations, evaluate 6 x 2 + 1
13
Evaluate the following expression if x=5 and m=3
x + 2(m)
5 + 2(3)
5 + 6
=11
Is 7.5 a rational number or an irrational number?
Rational
What property is shown by 5 + 0 = 5?
Identity Property
What property is shown by 6 x 0= 0?
The Zero Property
Using the Order of Operations, evaluate 5 x (6 - 2)
20
Evaluate the following expression if y=4 and b=2
y2 + b
(4)2 + 2
16 + 2
=18
Is π(pi) a rational or irrational number?
Irrational
What property is shown by 10 + 5 = 5 + 10?
Commutative Property
What property is shown by 8 x 5= 5 x 8?
Commutative
Using the order of operations, evaluate 2 x 32
18
2(x + 3) + y2
2(4 + 3) + 72
2(7) + 72
2(7) + 49
14 + 49
=63
Which number is a whole number?
-7, -3/4, or 2
2
What is the additive inverse of 9?
-9
What number belongs in the blank:
15 x ____ = 1
1
Using the Order of Operations, evaluate 75 - 3 x 72
-72
Evaluate the following expression of a=12 and b=6
4a + 2b2
4(12) + 2(6)2
4(12) +2(36)
48 + 72
=120
Which number is irrational?
√9, √15, or 2/3
√15
What property allows you to change grouping; for example 2 + (4+6) = (2+4)+6
Associative property
Which property is shown by 3(a + 4) = 3a + 12
Distributive
Using the Order of Operations, evaluate 5 x (2 + 3)2 - 4 / 2
123
Evaluate the following expression if x=8 and y=18
√xy - 2x
√(8)(18) - 2(8)
√144 - 2(8)
12 - 2(8)
12 - 16
=-4
True or False: every natural number is also a whole number, an integer, a rational number, and a real number.
True
What property is shown by 12 +(-12)= 0?
Additive Inverse Property
True or False- Multiplying any real number by zero equals zero.
True