Common Core 4.NF.B.3 Worksheets

Grade 4. Add and subtract fractions with like denominators; mixed numbers.

What this standard covers

Understand a fraction a/b with a > 1 as a sum of fractions 1/b: decompose a fraction into a sum of fractions with the same denominator; add and subtract fractions and mixed numbers with like denominators; and solve word problems involving addition and subtraction of fractions referring to the same whole and with like denominators.

Activity:

Worksheets aligned to 4.NF.B.3

Adding Fractions

Problem Style:

Adding Fractions with Common Denominators

Adding Fractions with Denominators up to 5

Adding Fractions with Denominators up to 10

Adding Fractions with Denominators up to 15

Adding Fractions & Mixed Numbers with Denominators up to 5

Adding Fractions & Mixed Numbers with Denominators up to 10

Adding Fractions & Mixed Numbers with Denominators up to 15

Adding Mixed Numbers with Denominators up to 5

Adding Mixed Numbers with Denominators up to 10

Adding Mixed Numbers with Denominators up to 15

Adding Fractions with Uncommon Denominators

Fraction Models (common denominators under 10)

Solve with circle models

Solve with bar models

Match the problem to a circle model

Match the problem to a bar model

Equation — shade a circle model

Equation — shade a bar model

Mixed models (circles & bars)

Improper answers — solve with models

Improper answers — equation, shade a model

Improper answers — match the model

Subtracting Fractions

Problem Style:

Subtracting Fractions with Common Denominators

Subtracting Fractions with Denominators up to 5

Subtracting Fractions with Denominators up to 10

Subtracting Fractions with Denominators up to 15

Fractions with Mixed Numbers

Subtracting Fractions & Mixed Numbers with Denominators up to 5

Subtracting Fractions & Mixed Numbers with Denominators up to 10

Subtracting Fractions & Mixed Numbers with Denominators up to 15

Subtracting Fractions with Uncommon Denominators

Fractions with Mixed Numbers

Fraction Models (common denominators under 10)

Solve with circle models

Solve with bar models

Match the problem to a circle model

Match the problem to a bar model

Equation — shade a circle model

Equation — shade a bar model

Mixed models (circles & bars)

Subtracting Mixed Numbers with Common Denominators

No regrouping

Subtracting Mixed Numbers with Denominators up to 5

Subtracting Mixed Numbers with Denominators up to 10

Subtracting Mixed Numbers with Denominators up to 15

Can include regrouping

Subtracting Mixed Numbers with Denominators up to 5

Subtracting Mixed Numbers with Denominators up to 10

Subtracting Mixed Numbers with Denominators up to 15

All include regrouping

Subtracting Mixed Numbers with Denominators up to 5

Subtracting Mixed Numbers with Denominators up to 10

Subtracting Mixed Numbers with Denominators up to 15

Subtracting Mixed Numbers with Uncommon Denominators

No regrouping

Can include regrouping

All include regrouping

Mixed & Improper Fractions

Convert both ways

Mixed Numbers to Improper Fractions

Fractions with Denominators up to 10

Fractions with Denominators 10 to 20

Fractions with Denominators up to 20

Improper Fractions to Mixed Numbers

Fractions with Denominators up to 10

Fractions with Denominators 10 to 20

Fractions with Denominators up to 20

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