This book explains Factoring of numbers. Factoring is fun and kids love it. They gain “power” over the numbers. It is a critical book before Fractions, because many exercises with fractions require the ability to factor.  


It is also a short book - it only requires at most 5 hours to master factoring!



Philippa C
Brilliant math books for kids and they work. My son loves them!
Anna Paula
I've used all the different systems out there, including Singapore. It's the first time they find it easy to do and really understand it. I'll be … read more
I'm an engineer and tried to help my son with math but he was still not doing great. Then we started using your books from the beginning as you said … read more

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