Do not send "homework" home with a four year. Unless this child is the first child, the oldest child, the only child, not the fourth child. Especially when this child has siblings in the elementary school who also have "homework". Homework that is due back and graded and effects their permanent record and learning ability.
I do understand that this is a very important time in my son's life and that I need to be aware of and corrective of his speech at home. (this is my fourth child in speech) I am pleased that my child is motivated enough to take this homework out and do it. But, as far as me and my responsibilities - I am full up. (hello, I am responsible for 100 finger and toenails a week and 55 spelling words to drill into three little brains- and that is just to start, and ohhhh don't get me started) Don't need you adding to it. Would you really dump a bucket of water into the river when the little boy had his finger in the dike? I am doing all I can to keep my finger in the dike, to keep the flood waters from wiping out my village.

(I am going to start a sentence with and... you ready?)
And when you then "ask" me if he did his homework - more with a reprimanding look than a curious one it is all I can do not to go a little psycho mom on you. Did I lie? kinda? But not really, because, I did only noticed him using the work "okay" one time. It did come out as oTay, I corrected it, he checked his chart.
So, I tell you what - back off lady, oKay????? Notice, I used my K sound ?
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Now go check out a good cause below. It is worth learning about.