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Unit 9: Adding suffixes: the spelling rules

Page 6 of 19

Unit 9: Suffixes: why we need to double letters, change them or drop 'e'

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The Spelling Rules for Adding Suffixes:

When to double a letter - and when not to double

Now try these. Be careful! Sometimes you will need to double the consonant and sometimes you won’t.

Add the suffix to the root word.

Type the whole word:

camp + er
bad + ly
sad + ness
flat + est
hid + en
hat + less
fog + y
mug + ful
crack + ed
bump + y
snob + ish
wet + er

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The Spellzone interactive course is intended to be used online and may not be printed.

One of the students has put in a huge amount of effort in completing Spellzone at least 3 times a week since his arrival with us in January. Looking at his scores after the latest GL testing, his standardised score has risen from 99 to 131. This is a truly phenomenal result. I just wanted to share the best result I have ever seen.

Terrie Penrose-Toms, Casterton College

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