PHONICS
Please see the link below to give you information on how to articulate 'pure sounds' with your children which is part of the new Phonics Scheme in school.
https://www.bing.com/videos/search?q=articulating+pure+sounds&&view=detail&mid=1D50689AC12E4AF1DB041D50689AC12E4AF1DB04&&FORM=VRDGAR