Lesson 99 – Doodles Do Algebra

lesson99doodlepigcToday your child learns the last proposition – if you multiply (or divide) the top (numerator) and bottom (denominator) of a fraction by the same thing, the fraction keeps the same value.

Download Lesson 99 of Doodles Do Algebra HERE


Multiply Numerator (4*2)/16=8/16=1/2

Multiply Denominator 4/(16*2)=4/32=2/16=1/8

Divide Numerator (4/2)/16=2/16=1/8

Divide Denominator 4/(16/2)=4/8=2/4=1/2

Multiply both Numerator and Denominator (4*2)/(16*2)=8/32=4/16=1/4

Divide both Numerator and Denominator (4/2)/16/2)=2/8=1/4