### 4.NSF: Number Sense and Operations – Fractions

#### 4.NSF.3: Develop an understanding of addition and subtraction of fractions (i.e., denominators 2, 3, 4, 5, 6, 8, 10, 12, 25, 100) based on unit fractions.

4.NSF.3.a: Compose and decompose a fraction in more than one way, recording each composition and decomposition as an addition or subtraction equation;

4.NSF.3.b: Add and subtract mixed numbers with like denominators;

4.NSF.3.c: Solve real-world problems involving addition and subtraction of fractions referring to the same whole and having like denominators.

#### 4.NSF.4: Apply and extend an understanding of multiplication by multiplying a whole number and a fraction (i.e., denominators 2, 3, 4, 5, 6, 8, 10, 12, 25, 100).

4.NSF.4.a: Understand a fraction a/b as a multiple of 1/b;

4.NSF.4.b: Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number;

### 4.MDA: Measurement and Data Analysis

#### 4.MDA.7: Solve addition and subtraction problems to find unknown angles in real-world and mathematical problems.

Correlation last revised: 9/16/2020

This correlation lists the recommended Gizmos for this state's curriculum standards. Click any Gizmo title below for more information.