Helpful videos for the lessons. (A great thank you to the teachers who shared his/her video.)
Real numbers........................ Sets of Numbers - Natural, Whole, Integers, Rational, Irrational, Real
https://www.youtube.com/watch?v=9orS7coe2WI
Property of numbers...................Number Properties
https://www.youtube.com/watch?v=awQEzsEgJLM
Order of operation---------------Math Antics - Order Of Operations
https://www.youtube.com/watch?v=dAgfnK528RA
solving equations (one-step)----How to Solve One-Step Equations
http://www.youtube.com/watch?v=JrolgDL5v3w
Solving equations-(multi- step) -----How to Solve Multi- Step Equations
http://www.youtube.com/watch?v=ahtHbGYSZ-4
Real numbers........................ Sets of Numbers - Natural, Whole, Integers, Rational, Irrational, Real
https://www.youtube.com/watch?v=9orS7coe2WI
Property of numbers...................Number Properties
https://www.youtube.com/watch?v=awQEzsEgJLM
Order of operation---------------Math Antics - Order Of Operations
https://www.youtube.com/watch?v=dAgfnK528RA
solving equations (one-step)----How to Solve One-Step Equations
http://www.youtube.com/watch?v=JrolgDL5v3w
Solving equations-(multi- step) -----How to Solve Multi- Step Equations
http://www.youtube.com/watch?v=ahtHbGYSZ-4