For your math minutes on your reading and math log you could try these sites:

Adding and subtracting fractions:
http://www.coolmath.com/prealgebra/01-p2-fractions/index.html

Challenging fraction sites for those students who are mastering fractions in the classroom (1-4)

1. Mixed and improper fractions

http://www.funbrain.com/fract/
2. Fraction Bar Games
http://www.fractionbars.com/InteractiveGames.html
3. Pizza fractions to go
http://www.mrnussbaum.com/pizza_game/
4. Fifth grade fraction work
http://www.internet4classrooms.com/skill_builders/fractions_percent_math_fifth_5th_grade.htm


Helpful fraction and decimal sites.
Use these sites to help your understanding of fractions and decimals.
http://singingwhale.com/zapper/start.html
http://vdc.engr.scu.edu/KnowItAll/FourthGrade/fourthMath/4thGradeFractionIntro.html
http://www.aaamath.com/grade4.html#topic97
http://www.aaamath.com/fra43bx2.htm