[ [10以内]加减法[大卡] ]

[ [20以内]加减法[小卡] ]

[ [50以内]加减法[大卡] ]

[ [100以内]加减法[大卡] ]

[ [乘除法]70张1盒[大卡] ]

[ [乘除法]90张2包[小卡] ]

[ [数字卡片]卡片+算数棒等 ]

[ [算数工具]磁性算数加减法工具 ]

[ [数学小棒]62粒字符+算数棒等 ]

[ [数学小棒]50粒字符+算数棒等 ]

[ [数学小棒]35粒字符+算数棒等 ]

[ [数学小棒]32粒字符+算数棒等 ]

[ [算数棒]彩色100根5mm计数棒 ]

[ [算数棒]原木100根5mm计数棒 ]

[ [算数棒]彩色100根3.5mm计数棒 ]