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STANDARDS

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US-NC

Math

North Carolina Math

Grade 3: Number and Operations – Fractions

Understand fractions as numbers.

NC.3.NF.1

Interpret unit fractions with denominators of 2, 3, 4, 6, and 8 as quantities formed when a whole is partitioned into equal parts;

NC.3.NF.1.a

Fully covered
Explain that a unit fraction is one of those parts.

NC.3.NF.1.b

Fully covered
Represent and identify unit fractions using area and length models.

NC.3.NF.2

Interpret fractions with denominators of 2, 3, 4, 6, and 8 using area and length models.

NC.3.NF.2.a

Fully covered
Using an area model, explain that the numerator of a fraction represents the number of equal parts of the unit fraction.

NC.3.NF.2.b

Fully covered
Using a number line, explain that the numerator of a fraction represents the number of lengths of the unit fraction from 0.

NC.3.NF.3

Represent equivalent fractions with area and length models by:

NC.3.NF.3.a

Not covered
Composing and decomposing fractions into equivalent fractions using related fractions: halves, fourths and eighths; thirds and sixths.
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NC.3.NF.3.b

Fully covered
Explaining that a fraction with the same numerator and denominator equals one whole.

NC.3.NF.3.c

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

NC.3.NF.4

Fully covered
Compare two fractions with the same numerator or the same denominator by reasoning about their size, using area and length models, and using the >, <, and = symbols. Recognize that comparisons are valid only when the two fractions refer to the same whole with denominators: halves, fourths and eighths; thirds and sixths.