Adding and Subtracting Fractions and Mixed Numbers 
Worksheet: Common Core Sheets *3rd grade skill review (Reducing)
Worksheet: Common Core Sheets *4th grade skill review (Mixed to Improper Fractions)
Worksheet: Common Core Sheets *4th grade review (Improper to Mixed)
Math is Fun website resource (tutorial and practice)
​Video Lesson: Simplest Form   (Scholastic)
Video Lesson: Simplest Form   (Math Is Fun tutorial)
Video Lesson: Simplest Form (Kahn Academy)
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​Video lesson: Scholastic - Equivalent Fractions 
Video lesson: Equivalent Fractions 
Video Lesson: Equivalent Fractions by Math Masters

​Video Lesson: Scholastic- Adding fractions with unlike denominators
Video Lesson: Adding fractions with unlike denominators
Video Lesson: LearnZillion - Adding mixed numbers with unlike denominators
Game: Adding/Subtracting Fractions (online)

​Problem Solving: Adding and Subtracting Fractions and Mixed Numbers
​Video Lesson: Scholastic- Add/Subtract mixed numbers
Video Lesson: Getting Common Denominators

PA Core Standard - CC.2.1.5.C.1
Common Core Standard: 5.NF.1, 5.NF.2
Use the understanding of equivalency to add and subtract fractions.

Eligible Content - M05.A-F.1.1.1 Add and subtract fractions (including mixed numbers) with unlike denominators. (May include multiple methods and representations.) Example: 2/3 + 5/4 = 8/12 + 15/12 = 23/12