1 + 1, 2, 2 + 2, 4, 3 + 3, 6, 4 + 4, 8, 5 + 5, 10, 6 + 6, 12, 7 + 7, 14, 8 + 8, 16, 9 + 9, 18, 10 + 10, 20, 11 + 11, 22, 12 + 12, 24

Adding Doubles

由
打印
嵌入

排行榜

视觉风格

选项

更像是这样

Adding Doubles through 10+10
Adding Doubles through 10+10
由
随机卡
Adding Doubles (to 12)
Adding Doubles (to 12)
由
配对游戏
Doubles Addition
Doubles Addition
由
刺破气球
Addition doubles!
Addition doubles!
由
随机轮盘
Addition Doubles Practice
Addition Doubles Practice
由
匹配游戏
Addition-Doubles Plus 1
Addition-Doubles Plus 1
由
随机卡
Doubles + 1, Doubles - 1
Doubles + 1, Doubles - 1
由
真假游戏
Addition doubles
Addition doubles
由
配对游戏

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