Math :( Flashcards

1
Q

Give the simplest mathematical term common to the following numbers: 6, 28, 496, 8128

A

perfect numbers

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2
Q

Give the mathematical term for a number that is the sum of its positive divisors excluding itself.

A

perfect number

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3
Q

Give the simplest mathematical term common to the following numbers: 2, 3, 5, 7, 11, 13, 17, 19

A

prime numbers

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4
Q

Give the mathematical term for a number whose only factors are itself and one.

A

prime number

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5
Q

Give the probability that a state in the United States has a four letter name. Express your answer as a percentage

A

6% the fraction form would be 3/50 in case you are wondering…

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6
Q

What is the least common multiple of 4 and 15?

A

60

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7
Q

What is the least common multiple of 12 and 9?

A

36

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8
Q

What is the least common multiple of 3 and 5?

A

15

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9
Q

What is the least common multiple of 3 and 6?

A

6

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10
Q

What is the least common multiple of 4 and 6?

A

12

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11
Q

If you add an even number to an odd number, is the result even or odd?

A

odd

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12
Q

Classify the following angles as acute, obtuse, or right:

9 degrees, 87 degrees, 42 degrees, 60 degrees.

A

all acute

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13
Q

Give the term for an angle that measures less than ninety degrees.

A

acute

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14
Q

Give the name for the following geometric shapes: (A) a figure with 4 sides; (B) a figure with 5 sides; (C) a figure with 6 sides; (D) a figure with 9 sides.

A

(A) quadrilateral, (B) pentagon, (C) hexagon, (D) nonagon

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15
Q

Give the number of sides for the following geometric shapes: (A) quadrilateral, (B) pentagon, (C) hexagon, (D) nonagon

A

(A) 4, (B) 5, (C) 6, (D) 9

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