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STANDARDS

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US-AL

Math

Alabama Math

Grade 3: Operations with Numbers: Fractions

Develop understanding of fractions as numbers.

3.13

Not covered
Demonstrate that a unit fraction represents one part of an area model or length model of a whole that has been equally partitioned; explain that a numerator greater than one indicates the number of unit pieces represented by the fraction.
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3.14

Interpret a fraction as a number on the number line; locate or represent fractions on a number line diagram.

3.14.a

Not covered
Represent a unit fraction (1/b) on a number line by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts as specified by the denominator.
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3.14.b

Fully covered
Represent a fraction (a/b) on a number line by marking off a lengths of size (1/b) from zero.

3.15

Explain equivalence and compare fractions by reasoning about their size using visual fraction models and number lines.

3.15.a

Fully covered
Express whole numbers as fractions and recognize fractions that are equivalent to whole numbers.

3.15.b

Fully covered
Compare two fractions with the same numerator or with the same denominator by reasoning about their size (recognizing that fractions must refer to the same whole for the comparison to be valid). Record comparisons using < , >, or = and justify conclusions.