Operations With Signed Rational Numbers Test #1 Flashcards

(85 cards)

1
Q

What is a signed number?

A

A signed number is a number that has a positive or negative sign.

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2
Q

True or False: The sum of two negative numbers is positive.

A

False.

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3
Q

What is the result of -3 + 5?

A

2.

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4
Q

Fill in the blank: The product of a positive number and a negative number is ______.

A

negative.

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5
Q

What is the absolute value of -7?

A

7.

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6
Q

Calculate: -12 - 4.

A

-16.

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7
Q

True or False: Adding zero to any number changes the value of the number.

A

False.

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8
Q

What is the result of 5 - (-3)?

A

8.

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9
Q

What is a rational number?

A

A rational number is any number that can be expressed as a fraction or ratio of two integers.

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10
Q

Calculate: -3 ร— -4.

A

12.

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11
Q

What is the sum of -1/2 and 1/4?

A

-1/4.

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12
Q

What happens when you divide a negative number by a positive number?

A

The result is negative.

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13
Q

True or False: The product of two negative numbers is positive.

A

True.

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14
Q

Calculate: 2/3 + 1/6.

A

5/6.

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15
Q

Fill in the blank: The difference between a number and its opposite is ______.

A

twice the number.

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16
Q

What is the result of -5 + (-7)?

A

-12.

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17
Q

Calculate: -8 รท 2.

A

-4.

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18
Q

What is the result of 0 - (-9)?

A

9.

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19
Q

True or False: Every integer is a rational number.

A

True.

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20
Q

What is -3/4 + 1/2?

A

-1/4.

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21
Q

Calculate: -10 + 3.

A

-7.

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22
Q

What is the absolute value of 5?

A

5.

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23
Q

Fill in the blank: The sum of a number and its additive inverse is ______.

A

zero.

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24
Q

What is the result of -2 ร— 6?

A

-12.

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25
Calculate: 1/3 - 1/6.
1/6.
26
True or False: Subtracting a negative number is the same as adding its positive.
True.
27
What is the result of 7 - 12?
-5.
28
What is the product of -1/2 and -4?
2.
29
Fill in the blank: The reciprocal of -1/3 is ______.
-3.
30
Calculate: -6 + 4 + (-2).
-4.
31
What is the result of 8 รท (-4)?
-2.
32
True or False: The sum of any number and its opposite is zero.
True.
33
Calculate: -15 + 6.
-9.
34
What is the result of 3/4 - 1/2?
1/4.
35
What happens when you multiply two rational numbers?
The result is also a rational number.
36
Fill in the blank: A number is rational if it can be expressed as a ______.
fraction.
37
Calculate: -2 + (-3) + 1.
-4.
38
What is 0.75 in fraction form?
3/4.
39
True or False: Every rational number can be expressed as a decimal.
True.
40
What is -9 + 3?
-6.
41
Calculate: 5 - (-2) + 1.
8.
42
What is the product of 0 and any number?
0.
43
Fill in the blank: The sum of two rational numbers is ______.
a rational number.
44
What is -1/5 + 2/5?
1/5.
45
Calculate: 7 + (-3) - 2.
2.
46
True or False: A negative number divided by a negative number is positive.
True.
47
What is the result of -4/7 + 3/7?
-1/7.
48
Calculate: -5 ร— 0.
0.
49
What is the absolute value of -10?
10.
50
Fill in the blank: The sum of a positive number and a negative number can be ______.
positive, negative, or zero.
51
What is the result of -8 + 10?
2.
52
Calculate: -1/2 ร— 2.
-1.
53
What is 1/4 - 3/4?
-1/2.
54
True or False: The difference of two negative numbers is always negative.
False.
55
What is the result of 4 + (-9)?
-5.
56
Calculate: 1/2 + 1/3.
5/6.
57
Fill in the blank: The product of a number and zero is ______.
zero.
58
What is -7 + 4?
-3.
59
Calculate: 3 - (-2) + 1.
6.
60
What is the result of -3/5 - 2/5?
-1.
61
True or False: The sum of two rational numbers is always an integer.
False.
62
What is the result of 0 - 5?
-5.
63
Calculate: 2/3 + 1/3.
1.
64
What is -15 รท -3?
5.
65
Fill in the blank: The reciprocal of 5 is ______.
1/5.
66
What is -1 + (-1)?
-2.
67
Calculate: 8 - 3 + (-2).
3.
68
True or False: A rational number can be a repeating decimal.
True.
69
What is the result of 3/8 + 5/8?
1.
70
Calculate: -1/4 - 1/2.
-3/4.
71
What is the result of 10 - (-10)?
20.
72
Fill in the blank: The sum of a negative number and a positive number is ______.
the difference of their absolute values.
73
What is the result of -4 + 4?
0.
74
Calculate: -2 + 3 + (-1).
0.
75
True or False: The absolute value of a number is always positive.
True.
76
What is the result of -7 - 2?
-9.
77
Calculate: 1/2 + 1/2.
1.
78
What is the product of -5 and 3?
-15.
79
Fill in the blank: The sum of two positive numbers is ______.
positive.
80
What is the result of 6 - 9?
-3.
81
Calculate: -8 + (-2).
-10.
82
True or False: The sum of two rational numbers can be an irrational number.
False.
83
Calculate: 5 - 2 - 4.
-1.
84
What is the result of 0.5 + (-0.5)?
0.
85
Any negative base to an odd power
Is negative