4260914
Descripción
Mapa Mental por 11rcordingley, actualizado hace más de 1 año
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Creado por 11rcordingley
hace más de 8 años
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Fractions and Decimals
- When something
is divided into
equal parts, each
part is called a
fraction.
- A number written using
the decimal number
system is called a
decimal.
- Most commonly, the
term refers to a number
in which any parts less
than a whole number are
written after the decimal
point.
- Most commonly, the
term refers to a number
in which any parts less
than a whole number are
written after the decimal
point.
- A fraction can be
expressed as one
number written
above another.
- The number on the bottom is
called the denominator
- The number on the top is called the
numerator
- The number on the bottom is
called the denominator
- Numerator:
Represents the number
of parts being
considered.
- Denominator:
Represents the total
number of equal
parts.
- Simple fractions
- A fraction that has
whole numbers for
its numerator and
denominator.
- This is the most
frequently seen type
of fraction
- A fraction that has
whole numbers for
its numerator and
denominator.
- Complex fraction
- A fraction that
has a numerator
or denominator or
both which is itself
a fraction
- A fraction that
has a numerator
or denominator or
both which is itself
a fraction
- Proper fraction
- A fraction that is less than a
whole unit. Any fraction with
a numerator that is lower
than the denominator.
- A fraction that is less than a
whole unit. Any fraction with
a numerator that is lower
than the denominator.
- Improper fraction
- A fraction that is more than a
whole unit. Any fraction with a
numerator that is higher than
the denominator.
- A fraction that is more than a
whole unit. Any fraction with a
numerator that is higher than
the denominator.
- Mixed number
- A number consisting of a
whole number and a
fraction.
- They can be
considered as an
improper fraction.
- A number consisting of a
whole number and a
fraction.
- Decimal place
- The position of a number to the
right of the decimal place.
- The position of a number to the
right of the decimal place.
- Decimal fraction
- Any number less
han 1 that is
expressed as a
deciaml.
- Any number less
han 1 that is
expressed as a
deciaml.
- Add or subtract decimals.
- Write the numbers in
a column, with the
decimal points lined
up.
- Write the numbers in
a column, with the
decimal points lined
up.
- Dividing fractions.
- Ignore the decimal points to give whole
numbers. Then divide the numbers: the
result will be the same as if dividing
deciamls.
- Ignore the decimal points to give whole
numbers. Then divide the numbers: the
result will be the same as if dividing
deciamls.
- Multiply decimals
- Ignore the decimal points and
multiply the whole numbers.
Then insert the decimal places in
the same as the total number of
decimal places in the number
being multiplied
- Ignore the decimal points and
multiply the whole numbers.
Then insert the decimal places in
the same as the total number of
decimal places in the number
being multiplied
- Rounding decimals
- When working with decimals it is often necessary to
approximate the figure by rounding up or down. Do
this exactly the same way as you round integers, but
round the number to the nearest tenth, hundredth,
thousandth and so on, depending on how many
decimal places or significant figures you want the
use.
- When working with decimals it is often necessary to
approximate the figure by rounding up or down. Do
this exactly the same way as you round integers, but
round the number to the nearest tenth, hundredth,
thousandth and so on, depending on how many
decimal places or significant figures you want the
use.
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