Lesson 135 – Doodles Do Algebra

lesson135doodlepoodlecToday your child extends the concepts of square roots to unknowns. The only point you really need to make sure your child understands is that 2 times 2 is the same as negative 2 times negative 2, the answer is 4. So that means that the square root of 4 could be a positive or a negative 2, we cannot tell so you have to write both possibilities down as the answer.

Download Lesson 135 of Doodles Do Algebra HERE

Answers:

1. +-2ax

2. +-4bx^2

3. +-3a^2bx

4. +-9m^2by^2