價格：免費
更新日期：2018-08-13
檔案大小：39.8 MB
目前版本：2.0
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
敘述：Online Addition Subtraction
支援語言：英語
Helping your kids understand the rudiments of math can often be a difficult and tiring process, but there’s no way to avoid it.
This well-made educational apps and Math addition and subtraction games have lots of creative ways to increase fluency in these two basic computations which absolutely help young children as well as adults learn and practice addition and subtraction.
It help develop addition and subtraction of whole numbers systematically, starting with recognition of quantities and combinations of quantities, the 10-based structure of the language and symbols that represent whole numbers, convenient mental calculation methods that use the 10-based structure, and finally, formal algorithms for addition and subtraction.
Finally, it surely boost confidence, increase scores and get ahead in Math.
支援平台：iPhone, iPad