Rational/Irrational
Terminating/Repeating
Adding Rational Numbers
Vocab
Random
100
Is the following number rational or irrational and why?
0.25
it is rational because you can write 0.25 as a fraction
1/4
100
Determine whether the rational number is a terminating or repeating decimal.
1/3
this decimal is repeating
100
8_1/4 + (-4.5) =
3.75
100
What is Additive inverse mean?
the opposite of a number
100
(-4.5) + 4_1/2 =
0
200
Is the following number rational or irrational and why?
3.14159...
the number is irrational because the number goes on forever randomly and it cannot be written as a fraction
200
Determine whether the rational number is a terminating or repeating decimal. How do you know?
0.2459863
this number is terminating. The decimal comes to an end or it stops
200
3_2/10 + 7.9
11.1
200
What is the associative property of addition?
you can add numbers regardless of their groupings (add numbers in any order)
200
(-3.5) + 4_2/4 =
1
300
Is the following number rational or irrational and why?
0.325
this number is rational because it can be written as a fraction
325/1000
300
-6.6 + 7.25 + (-3.4) + 9.75 =
7
300
5.1 + (-4_3/4) + (-6.6) =
-6.25
300
What does rational mean?
When a number can be written as a fraction
300
Is 3_1/3 terminating or repeating? Why?
it is repeating because it is 3.3333 repeating indefinitely
400
-5.30 + 6.7 + (-9.25) =
-7.85
400
Determine whether the rational number is a terminating or repeating or neither decimal. How do you know?
1.4142...
This number is neither because the number is irrational
400
7_3/4 + (-3.8) + 4_1/2 =
8.45
400
What does irrational mean?
a number cannot be written as a fraction
400
What is the additive inverse of the following:
-54
602
-93
27
54
-602
93
-27
500
4.25 + 3.5 + (-5.2) =
2.55
500
8.25 + 3.75 + (-8.25) =
3.75
500
7_3/10 + 9_7/10 + (-2_1/2) =
14.5
500
What is the difference between a terminating and repeating decimal?
A terminating decimal is when a decimal comes to an end. A repeating decimal is when one or more digits repeats indefinitely.
500
(-7.25) + 9.6 + 3.75 + (-5.4) =
0.7