Number Flashcards

1
Q

Adding fractions rule

A

Common denominator

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2
Q

Subtracting fractions rule

A

Common denominator

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3
Q

Multiplying fractions rule

A

Multiply numerators together and denominators together

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4
Q

Dividing fractions rule

A

Multiply by the reciprocal

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5
Q

Natural numbers

A

1, 2, 3, 4…

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6
Q

Natural symbol

A

N

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7
Q

1, 2, 3, 4…

A

Natural

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8
Q

Whole numbers

A

0, 1, 2, 3…

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9
Q

Whole symbol

A

W

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10
Q

0, 1, 2, 3…

A

Whole

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11
Q

Intergers

A

…-2, -1, 0, 1, 2…

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12
Q

Integer symbol

A

Z

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13
Q

…-2, -1, 0, 1, 2…

A

Intergers

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14
Q

Rational numbers

A

All possible fractions

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15
Q

Rational symbol

A

Q

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16
Q

All possible fractions

A

Rational numbers

17
Q

Irrational numbers

A

Non fractions | 2, e, pi…

18
Q

Real numbers

A

all possible numbers

19
Q

Real symbol

20
Q

all possible numbers

A

Real numbers

21
Q

Upper and lower bound layout

22
Q

The power in Standard form is

A

The number of decimal place movements

23
Q

To change between Standard and normal form

A

Move the decimal place by the power

24
Q

Direct proportion

A

Divide on both sides

25
Indirect proportion
Divide on one side
26
Home to foreign
x rate
27
Foreign to home
/ rate
28
Map to real
x scale
29
Real to map
/ scale
30
Simple interest is...
the percentage of the original deposit
31
Compound interest is...
A new percentage from each year
32
Compound interest formula
Deposit x decimal percentage ^ years
33
General term - u is...
the number in a sequence
34
General term - n is...
the position of u in a sequence