3878468
Descripción
Mapa Mental por Lucía Mayorga Sa, actualizado hace más de 1 año
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Creado por Lucía Mayorga Sa
hace más de 8 años
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Understanding
our place
value system
- Base Ten
- Our present
system is
described as a
Hindu-Arabic numeration system
- Unique features of the based-ten system
- System uses the numerals 1-10
- Base ten is a positional system
- Base ten is a positional system
- System uses the numerals 1-10
- Unique features of the based-ten system
- Our present
system is
described as a
Hindu-Arabic numeration system
- Multiple conceptions of place value
- 1. Unitary-multidigit
- 2. Decade and ones
- 3. Sequence tens and ones
- 4. Units of tens
- 5. Integrated sequence
- 5. Integrated sequence
- 4. Units of tens
- 3. Sequence tens and ones
- 2. Decade and ones
- 1. Unitary-multidigit
- Children´s
Unstructured
strategies
- The
traditional
method
emphasizes
learning to line
up digits and
computing
from right to
left often
using boxes
as a visual
aid.
- If children use their natural ways
to think, they develop confidence
and accuracy, while computing with
big numbers.
- If children use their natural ways
to think, they develop confidence
and accuracy, while computing with
big numbers.
- The
traditional
method
emphasizes
learning to line
up digits and
computing
from right to
left often
using boxes
as a visual
aid.
- Manipulatives
- General kinds of
manipulatives
- 1. Proportional(nonlinked)
- 2. Proportional (linked)
- 3. Nonproportional
- 3. Nonproportional
- 2. Proportional (linked)
- 1. Proportional(nonlinked)
- General kinds of
manipulatives
- Estimateing
and rounding:
when
approximate
is good enough
- One helpful way to
illustrate rounding is by
the use of separate
number lines
- One helpful way to
illustrate rounding is by
the use of separate
number lines
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