Activities to add and subtract common fractions, using a variety of thinking approaches and written algorithms.

• ### Adding & Subtracting Mixed Numbers Vertically

Add and subtract mixed fractions with the same denominator, with and without regrouping. Vertical layout is used. Revises multiplying fractions with whole numbers and equivalent fractions.

• free

### Fractions Addition & Subtraction Quick Start Guide

3pp. Features and functions of the Fractions Addition & Subtraction Gadget: Linked to pictures of shapes. Walks through each step of the process.

• ### Fractions Addition with Like Denominators

Adding fractions with like denominators. Includes horizontal and vertical layouts, and with number lines.

• ### Fractions Addition: Mixed Numbers with Like Denominators

Adding mixed numbers with like denominators. Includes horizontal and vertical layouts, and with number lines.

• free

### Fractions Addition with Related Denominators

Adding fractions with related denominators. Includes horizontal and vertical layouts, and with number lines.

• ### Fractions Addition with Unrelated Denominators

Adding fractions with unrelated denominators. Includes horizontal and vertical layouts, and with number lines.

• free

### Fractions Subtraction with Like Denominators

Subtracting fractions with like denominators. Includes horizontal and vertical layouts, and with number lines.

• ### Fractions Subtraction Mixed Numbers with Like Denominators

Subtracting mixed numbers with like denominators. Includes horizontal and vertical layouts, and with number lines.

• ### Fractions Subtraction with Unrelated Denominators

Subtracting fractions with unrelated denominators. Includes horizontal and vertical layouts.

• ### Fractions Subtraction Mixed Numbers with Unrelated Denominators

Subtracting mixed numbers with unrelated denominators. Includes horizongtal and vertical layouts.

• ### Poster: Adding Mixed Numbers with Like Denominators

Poster to show with diagrams both horizontal and vertical addition of mixed numbers with like denominators and no regrouping.

• ### Poster: Adding Mixed Numbers with Like Denominators with Regrouping

Poster to show with diagrams both horizontal and vertical addition of mixed numbers with like denominators with regrouping.

• ### Add and Subtract Fractions, Mixed Numbers, Like Denominators [PowerPoint TBM507]

44 slides. Adding and subtracting fractions and mixed numbers with like denominators. Interactive PowerPoint Think Bubble Math 507

• ### Add and Subtract Fractions, Mixed Numbers, Like Denominators

4 pp. Worksheets. Use with “Add and Subtract Fractions, Mixed Numbers, Like Denominators” [PowerPoint TBM507]

• ### Addition and Subtraction of Mixed Numbers [PowerPoint TBM606]

49 slides. Animates addition and subtraction of mixed numbers with like, related and unrelated denominators. Real world problems included. PowerPoint Think Bubble Math 606

• ### Addition and Subtraction of Mixed Numbers

4 pp. Addition and subtraction of mixed numbers with like, related and unrelated denominators. Real world problems included. Use with “Addtion and Subtraction of Mixed Numbers” [PowerPoint TBM 606]