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Introduction to Rational Numbers (3) Flashcards | StudBud
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Introduction to Rational Numbers (3)
Introduction to Rational Numbers (3)
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1
What is the decimal expansion of
2
/
3
?
-0.33333333...
0.33333333...
0.66666666...
-0.66666666...
2
What are integers?
all positive and negative numbers
all positive numbers
all positive and negative whole numbers (including 0)
all positive and negative whole numbers (excluding 0)
3
Which of the following is NOT a characteristic of equivalent fractions?
They are inverses of each other.
They have the same decimal representation.
You multiply/divide the num. and den. by the same number.
They reduce down to the same fraction.
4
Which of the following is NOT an equivalent fraction to
1
/
3
?
3/9
5/15
6/12
10/30
5
Which of the following is NOT a rational number?
-7/8
0.125
0.888...
π
6
Which of the following are rational numbers?
-0.5
0
2/3
-27
7
What is a decimal expansion?
Adding zeros to the far right after the decimal point
Finding the equivalent decimal value for a fraction
Writing a decimal in a bigger font
8
Fill-in the blanks - Rational numbers are all numbers that can be written as ______________...
whole numbers
negative numbers
positive numbers
fractions
9
Which of the following is NOT an equivalent fraction to
1
/
2
?
6/8
10/20
12/24
2/4
10
What is the decimal expansion of
3
/
4
?
0.25
0.4
0.75
0.3
11
Which of the following is NOT an equivalent fraction to
3
/
4
?
12/16
6/9
9/12
15/20
12
What is the decimal expansion of
2
/
5
?
0.2
0.444444444...
0.4
0.22222222...
13
...and the denominator is NOT __________.
one
terminating
negative
zero
14
What is the decimal expansion of
3
/
100
?
0.3
0.03
0.003
0.333333333...
15
What is the decimal expansion of
7
/
10
?
0.7
0.07
0.007
0.777777777...
16
What is the decimal expansion of
71
/
100
?
0.071
0.71717171...
0.71
7.1
17
Which of the following are integers?
0
-18
π
4/3
18
What is the decimal expansion of
539
/
1000
?
0.539
0.539539539...
5.39
53.9
19
...where the numerator and denominator are both ____________...
fractions
whole numbers
decimals
integers
20
What is the decimal expansion of
1
/
4
?
0.25
0.4
-0.25
-0.4
21
Which of the following is NOT a possible form of a rational number?
non-terminating decimals
repeating decimals
fractions
integers
22
What is the decimal expansion of
1
/
2
?
0.5555555555...
0.5
0.22222222222...
0.2
23
What is the decimal expansion of -
1
/
3
?
0.33333333...
-0.33333333...
0.3
-0.3
24
Which of the following is NOT an equivalent fraction to
4
/
10
?
2/5
12/40
20/50
8/20
