In this link you will find some interesting problems about probability.

http://www.ixl.com/math/grade-8

 

 

VIDEOS

 

Diferencia entre permutación y combinación

http://www.youtube.com/watch?v=fUuDW7ky5j8

 

Permutación

http://www.youtube.com/watch?v=fayhFEVaq-Y

 

Probabilidad de ganarse el Baloto

http://www.youtube.com/watch?v=tf3vuDKdWz4

 

Probabilidad de cumplir años el mismo días en un salón de clase

http://aula.tareasplus.com/Roberto-Cuartas/Curiosidades-Matematicas/Probabilidad-de-cumplir-anos-el-mismo-dia-en-un-salon-de-clases

 

 

PRACTICES

 

http://www.mathsisfun.com/combinatorics/combinations-permutations.html

 

http://www.regentsprep.org/Regents/math/algtrig/ATS5/PCPrac.htm

 

http://www.ixl.com/math/grade-7/probability-of-independent-and-dependent-events
You can work on these links 15 minutes daily

http://www.ixl.com/math/grade-8

1. BB.1Probability of simple events

2. BB.2Probability of opposite, mutually exclusive, and overlapping events

3. BB.3Experimental probability

4. BB.4Make predictions

5. BB.5Compound events: find the number of outcomes

6. BB.6Identify independent and dependent events

7. BB.7Probability of independent and dependent events

8. BB.8Factorials

9. BB.9Permutations

10. BB.10Counting principle

11. BB.11Combination and permutation notation