Teachers say pupils not ready for 'formal sitting down stage ' before five . Play helps children develop communication and social skills , they believe . Want to follow lead of Finland where 15 minute play time follows lessons . Union to ask for more play time at its conference in Harrogate this weekend .
Teachers say pupils not ready for 'formal sitting down stage ' before seven . Play helps children develop communication and social skills , they believe . Want to follow lead of Finland where 15 minute play time follows lessons . Union to ask for more play time at its conference in Harrogate this weekend .