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Common Core · Grade 4 · Number and Operations: Fractions

Standard 4.NF.B.3B

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

2 lessons2 worksheets

Lessons for 4.NF.B.3B

Adding and subtracting fractions with like denominatorsCounting unit fractions that are already the same size, so only the top numbers add.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