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Common Core · Grade 4 · Number and Operations: Fractions

Standard 4.NF.B.3

Free lessons and printable worksheets aligned to Common Core math standard 4.NF.B.3.

3 lessons2 worksheets

Lessons for 4.NF.B.3

Adding and subtracting fractions with like denominatorsCounting unit fractions that are already the same size, so only the top numbers add.Lesson
Adding and subtracting fractionsRename to same-size pieces first.Lesson
Decomposing a fraction into unit fractionsWriting a fraction as a sum of copies of its own unit fraction.Lesson

Printable Worksheets

Adding and subtracting fractions with like denominators worksheet (PDF)Printable worksheet with answer keyPreview
Decomposing a fraction into unit fractions worksheet (PDF)Printable worksheet with answer keyPreview