按群计数就是计数时不以单个物体为单位。而是以群体（物体群）为单位。有关研究证明：幼儿按群计数能力不是突然产生的，而是在幼儿掌握IO以内数概念的基础上发展起来的。如果方法得当，大班后期．幼儿的按群计数能力可以达到熟练掌握的程度，范围可达“IOO”，甚至以上。根据 Counting by group is counting as a single object. Instead, the group (object group) as a unit. Relevant studies have shown that: children’s ability to count by group is not a sudden generation, but based on the number of young children to grasp the concept of IO developed. If the method is appropriate, large class late. Children’s ability to count by group can reach the level of proficiency, range up to “IOO” or even above. according to