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Common Core · Grade 3 · Number and Operations: Fractions

Standard 3.NF.A.3B

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

4 lessons3 worksheets

Lessons for 3.NF.A.3B

Simplifying a fraction to simplest formDividing the top and the bottom by a common factor renames a fraction in bigger pieces.Lesson
Seeing equivalent fractions in pictures and on the number lineCutting every piece of a shaded shape in two doubles both numbers and changes nothing.Lesson
Equivalent fractionsDifferent names for the same number: cut every piece the same way.Lesson
Making an equivalent fraction by multiplyingMultiplying the top and the bottom by the same number renames a fraction in smaller pieces.Lesson

Printable Worksheets

Simplifying a fraction to simplest form worksheet (PDF)Printable worksheet with answer keyPreview
Seeing equivalent fractions in pictures and on the number line worksheet (PDF)Printable worksheet with answer keyPreview
Making an equivalent fraction by multiplying worksheet (PDF)Printable worksheet with answer keyPreview