早期算术搭建了舞台与无尽的数字学习!
Percent & Smart Pirates - fun and easy way to learn percent with the Caribbean Pirates. Equivalent forms, Comparing percent and Percent problems - If you're struggling with percent problems Percent & Smart Pirates is your answer.
Fractions & Smart Pirates. Free - fun and easy way to learn fractions with the Caribbean Pirates. Recognizing and comparing fractions, equivalent fractions, adding fractions - if you're struggling with fraction problems Fractions & Smart Pirates is your answer.