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CCSS 3.NF.2B Worksheets

CCSS 3.NF.2B (Common Core, 3rd Grade): "Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/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. bRepresent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint locates the number a/b on the number line.

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Determining Fraction Value on a Number Line

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Find where a fraction belongs on a number line between 0 and 1.
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 from 0 to reach the fraction’s point.
Recognize benchmark points like 0, 1/2, and 1 to help place and compare fractions.