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CCSS 3.NF.2A Worksheets

CCSS 3.NF.2A (Common Core, 3rd Grade): "Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line." The worksheets below practice this standard. Each one is a free printable PDF with an answer key, comes in multiple versions, and can also be assigned digitally - no login or account needed.

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Number and Operations—Fractions Develop understanding of fractions as numbers. 2Understand a fraction as a number on the number line; represent fractions on a number line diagram. aRepresent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line.

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Finding Fractions on Number Line

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Find where a fraction belongs between 0 and 1 on a number line.
Use the denominator to see how many equal parts the whole is split into on the number line.
Use the numerator to count how many parts to move from 0 to reach the fraction.
Use benchmarks like 0, 1/2, and 1 to decide if a fraction is closer to the start, middle, or end.