Sources!

Home page:

Banner- http://www.tes.co.uk/article.aspx?storyCode=607839
Colored fractions - http://gonnafly.squidoo.com/printable-math-games
1/2 fraction picture - http://mrskimbley.weebly.com/fractions.html

Adding and Subtracting Fractions:

Khan Academy Video 1 - https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-adding-subtracting-frac/v/adding-fractions-with-like-denominators
Khan Academy Video 2 - https://www.khanacademy.org/math/arithmetic/fractions/fractions-unlike-denom/v/adding-fractions-with-unlike-denominators