Illustrative Mathematics
Illustrative Mathematics: 5.nf Do These Add Up?
This task addresses common errors that students make when adding fractions. Aligns with 5.NF.A.2.
Arcademics
Arcademics: Adding Fractions Speedway
Add fractions correctly to move further ahead in the race.
AAA Math
Aaa Math: Adding Fractions With the Same Denominators
This site describes how to add fractions with like denominators. It provides exercises and games to practice the skill.