The fifth book in the Ryan's Math Adventure series, Ryan's Math Adventure: Addition and Subtraction, is available now on Amazon!

Join our group of heroes as they enter the castle and try to decode the Book of Light.

This book in series introduces children to addition with two-digit numbers, carry over with up to three-digit numbers, subtraction, mixed calculation, and borrowing.



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https://amzn.to/2qmsGGZ