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Csec Math > Computation > Flashcards

Computation Flashcards

1
Q

Define natural numbers and state the first four

A

All normal numbers except zero.ex 1.2.3.4.

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2
Q

What is an even number state the first three

A

A number that can be divided by two without getting a remainder. Eg. 2, 4, 6

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3
Q

What is an odd number state the first three

A

Any number that leaves a reminder when divided by 2 eg. 3, 5,9

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4
Q

What is a whole number and state the first four

A

Natural numbers including zero. Eg. 0,1,2,3,4

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5
Q

What is a prime number and give 3 examples

A

A number that can only divided by 1 and itself without leaving a remainder.(must be more than 1). Eg. 3, 5 and 7

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6
Q

What is a composite number and give 2 examples

A

a number that has more factors than 1 and itself eg. 4 and 6

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7
Q

What is an integer

A

All numbers including negative and positive numbers.

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8
Q

What are rational numbers

A

Any number that can be written as a fraction

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9
Q

What are irrational numbers

A

Any number that cannot be written as a fraction.

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10
Q

What is are real numbers

A

All rational and irrational numbers

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11
Q

The Real number symbol is

A

R

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12
Q

The Rational number symbol is

A

Q

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13
Q

The Integer number symbol is

A

Z

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14
Q

What is a factor

A

Numbers that multiply to give a wanted number eg. factors of 10 are 1,2,5 and 10

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15
Q

What is a multiple

A

The time table of given number. Eg some multiples of 5 are 10, 15 and 20

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16
Q

How to you simply a fraction

A

Divide the numerator and denominator by the same number

17
Q

What is an proper fraction

A

A fraction where the numerator is less than the denominator

18
Q

What is an improper fraction

A

A fraction where the numerator is bigger than the denominator

19
Q

What is a mixed number/fraction

A

A fraction with a whole number and a proper fraction

Csec Math (1 decks)

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