Includes the following games :
Column Addition
Expanded Addition
Expanded Addition - Place Value Counters
Number Bonds
Addition - Digit Drag
Missing Symbols
Column Subtraction
Column Subtraction using Place Value Counters
Counting on to find difference on a beadstring
Multiplication Grid Method
Multiplication Written Method
Ratio and Scaling Numbers
Representing Multiplication
Division by Chunking Up
Division by Chunking Down
Formal Written Division - Round Up or Down?
Long Division - Formal Written Method
Short Division Writen Formal Method
包括以下游戏:
列相加
扩大加法
扩大加法 - 位值计数器
债券数量
此外 - 数字拖曳
缺少符号
列减法
使用位值计数器减列
指望找到差异在beadstring
乘网格法
乘书面方法
比及缩放号
代表乘法
通过分块划分最多
通过分块划分羽绒服
正式的书面司 - 回合向上或向下?
龙科 - 正式的书面方法
短司Writen形式化方法