Writing at Home: Information and Resources.
Ready Steady Spell
Spelling, punctuation and grammar (SPaG) is essential to writing. Here is a glossary to explain the key SPaG terminology for the writing curriculum:
Developing a broad and varied vocabulary is vital for writing.
Reading and talking can really help to increase children's tier 2 vocabulary, which is the main sort of "adventurous" vocabulary we use in writing tasks.

The National Literacy Trust support for vocabulary development:
Improve your child's learning at home | Words for Life