Vocabulary
What is the definition of a rational number?
Whole numbers, integers, repeating/ending decimals and fractions.
Simplify the expression: 2(x+4)
2x+8
What is the property shown below:
(a+b)+c = a+(b+c)
Associative Property
Is -5.5 rational or irrational?
rational
Which number is larger?
3.5 or 3.6
3.6
What is the definition of a whole number?
natural (counting) numbers and zero.
Simplify the expression: 3(2x+6)
6x+18
What is the property shown below:
2(x-4) = 2x-8
Distributive Property
Is 2.1673929465391645 rational or irrational?
irrational
Which number is larger?
1/3 or 3/5
3/5
How do you say x2 ?
x squared
Simplify the expression: -2(b+7)
-2b-14
What is the property shown below:
2+x+10 = 10+2+x
Commutative Property
Is 2pi rational or irrational?
irrational
Which number is smaller?
-12 or -16
-16
What is the definition of an integer?
Whole numbers, including negative numbers.
Simplify the expression: -4(5x-3)
-20x+12
How do you know when the distributive property is being used?
When the number outside of the parentheses is multiplied by the terms inside the parentheses.
Write an example of a rational number.
answers may vary-- any number that can be written as a fraction or repeating decimals
Which number is smaller?
7.82 or 7.89
7.82
What is the definition of an irrational number?
A number that is never ending, does not repeat or have a pattern, and cannot be written as a fraction.
Simplify the expression: -(x+8)
-x-8
What is the difference between the commutative property and the associative property?
Commutative property = change order of terms
Associative property = change parentheses grouping
Write an example of an irrational number.
Answers may vary-- any number that cannot be written as a fraction
Round 1.462 to the nearest tenths place.
1.5