# Posts Tagged ‘4.NF.B.3.a’

## Interactive Adding and Subtracting Fractions (4th Grade)

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…

More...## Teaching 4.NF.B.3 .a.b – Decomposing Fractions – Adding & Subtracting Fractions

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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