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Intro to Fractions
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Used for Multiple Representations STEM Grant Summer 2012
Terms in this set (17)
Fractions
A term consisting of a numerator and a denominator, indicating some number of equal parts of a whole.
Denominator
Term below the line in a fraction, indicating the number of equal parts each whole is divided into.
Numerator
Term above the line in a fraction, indicating some number of the equal parts.
Equivalent Fraction
Representations for the same amount or quantity
Technical Procedures
Focus on Algorithm
Conceptual Understanding
Focus on meaning and development of number sense
Estimation
An intuitive feel for size of fractions that aids in comparing sizes and computation
Fair Share
Equal-sized portions
Concrete Representations
Use of hands-on models for computation
Abstract Representations
Use of algorithm-only for computation
Length Model
Divide fraction into appropriate sections by length or measurement
Area Model
Divide shapes into the appropriate number of equal sections given by the denominator; also known as region model
Set Model
The whole is understood to be a set of objects and subsets of the whole make up fractional parts.
Fraction Benchmarks
Reference points of 0, ½, and 1; used for comparison and computation
Contextual Tasks
Used to provide a meaningful scenario to work with fractions
Partitioning
Sectioning a shape into equal-sized pieces
Iteration
Counting fraction parts
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