sydenhamhiller:
Agree with typing idea - he can print out work and paste it into homework journal, so no problems with it being for school work (and in secondary school most work will be on computer anyway).
May be an idea (if you haven't already) to introduce learning touch typing now - thus you have a virtuous circle 'writing' is actually learning 'touch typing' and knowing where keys are and able to type relatively well makes writing easier.
BBC has free touch typing programme here: www.bbc.co.uk/schools/typing/
There also is a great sponge bob square pants PC game to teach you touch typing: www.amazon.co.uk/Typing-Learn-Type-SpongeBob-way/dp/B0007LDI5Q
DD1 (also Y6) prefers spongebob - thinks BBC version is a bit babyish.
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In terms of improving creative writing - have him think through 5 senses:
How does it feel?
What did you smell?
What did you see?
What did you hear?
What did you taste?
e.g. storm coming
We could feel the temperature drop and hear the wind howl down the valley. The raindrops tasted fresh and sweet and it pelted against the aluminium roof of our shed, deafening all of us. We could see there even darker clouds gathering and coming toward us and had no choice but to run across the yard into the safety of the house.
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A game I played with DD1 last year was write a sentence & make it better.
e.g. Harry Potter is a wizard.
Harry Potter is a ten year old boy who is a wizard.
Although Harry potter appears to be an ordinary ten-year-old boy, he is secretly a wizard.
and so on....
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In the car you can play the 'sentence game' where everyone adds a word:
There
There once
There once was
There once was a mouse
There once was a mouse named
There once was a mouse named Hercules....
helps build imagination and word play
HTH