1- Order of Operations 

http://www.khanacademy.org/video/order-of-operations-example?topic=solving-linear-equations

Sove equations with 2 varibles

http://www.khanacademy.org/math/algebra/solving-linear-equations/v/equations-with-variables-on-both-sides

&&&&

Terms coefficients and exponents in a polynomial

http://www.khanacademy.org/math/algebra/polynomials/v/terms-coefficients-and-exponents-in-a-polynomial

2-Coordinate-Plane

http://www.khanacademy.org/math/algebra/linear-equations-and-inequalitie/v/the-coordinate-plane

 

 

 

2- solpe and Y intercept

 

http://www.khanacademy.org/video/algebra--slope?topic=linear-equations-and-inequalitie

3- slope Part 2

http://www.khanacademy.org/video/algebra--slope-2?topic=linear-equations-and-inequalitie

4- Slope Part 3

http://www.khanacademy.org/video/algebra--equation-of-a-line?topic=linear-equations-and-inequalitie

5- box- and -Wisker plot

http://www.khanacademy.org/video/box-and-whisker-plots?topic=statistics

6-Average

http://www.khanacademy.org/video/statistics--the-average?topic=statistics

7- Permutation

http://www.khanacademy.org/video/permutations?topic=precalculus

8- Combination

http://www.khanacademy.org/video/combinations?topic=precalculus

9-Percent and decimals

 http://www.khanacademy.org/math/arithmetic/decimals/v/percent-and-decimals

10 probability

a-basic probability

http://www.khanacademy.org/math/probability/v/basic-probability

b-simple probability

http://www.khanacademy.org/math/probability/v/simple-probability

c- play cards

http://www.khanacademy.org/math/probability/v/probability-with-playing-cards-and-venn-diagrams

d-probability rules

http://www.khanacademy.org/math/probability/v/addition-rule-for-probability

c independent events

http://www.khanacademy.org/math/probability/v/u12-l2-t2-we1-independent-events-1

http://www.khanacademy.org/math/probability/v/independent-events-2

http://www.khanacademy.org/math/probability/v/independent-events-3

Solving Linear equations

http://www.khanacademy.org/math/probability/v/getting-at-least-one-headshttp://www.khanacademy.org/math/algebra/solving-linear-equations/v/solving-for-a-variable

converting units of length

http://www.khanacademy.org/math/arithmetic/basic-ratios-proportions/v/converting-units-of-length

Converting with metic system

http://www.khanacademy.org/math/arithmetic/basic-ratios-proportions/v/converting-within-the-metric-system

 Fractions

http://www.khanacademy.org/math/arithmetic/fractions/v/subtracting-mixed-numbers

http://www.khanacademy.org/math/arithmetic/fractions/v/subtracting-mixed-numbers-2

 

 Number Line

 

 http://www.khanacademy.org/math/arithmetic/addition-subtraction/e/number_line