Interactive Adding and Subtracting Fractions (4th Grade) Dream Box – Adding Fractions.  Using both a concrete bar model and equations, this tool enables students to represent fraction addition and think strategically about which fractional pieces are best to solve a given problem. Lesson Dream Box – Subtracting Fractions.  Using the “removal” or “take away” representation, this…

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Number & Operations – Fractions – 4th Grade Build fractions from unit fractions. CCSS.Math.Content.4.NF.B.3 Understand a fraction a/b with a > 1 as a sum of fractions 1/b. CCSS.Math.Content.4.NF.B.3.a Understand addition and subtraction of fractions as joining and separating parts referring to the same whole. CCSS.Math.Content.4.NF.B.3.b Decompose a fraction into a sum of fractions with…

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Decomposing Fractions Video Lessons Decompose Fractions Lesson 1 – Video lesson where you will learn how to decompose a fraction by breaking up the fraction into a sum of fractions. Decompose Fractions Lesson 2 –  Video lesson where you learn how to decompose fractions by using addition. CCSS.Math.Content.4.NF.B.3 Understand a fraction a/b with a >…

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