Happy New 2 + 0 +1 +9 (= 12)!

and ...

Welcome to the wonderful inequalities´world 

Today´s homework:

Read the explanation on page 66, do exercises 1 ,3 and watch these videos:

 Video: Solving First Grade Equations

 Just for fun:

                                                    Video: What animal are you?

                                                    Video: Choose a Key