Book seven in the Ryan's Math Adventure series, Ryan's Math Adventure 7: Arithmetic Sense (1), is now available for Amazon Kindle! Join our group of heroes as they begin their search for the five pieces of the Star of Wisdom.

This book in the series introduces children to expressing addition as subtraction, expressing subtraction as addition, solving for □ in addition and subtraction equations, various ways to add and subtract two numbers, using the commutative law and associative law, adding and subtracting up to three numbers, and estimation.



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