When suffixes make consonants double
Look at this word sum
prefix base suffix
un + help + ful
What is the base word?
careless unkindness winner
skipping thinnish playful
Finding the base word
Look at these words. What happened when you add the suffix
get + ing = getting slip + ed = slipped
star + y = starry bag + age =baggage
hot +er = hotter fat + est =fattest
Vowel suffixes
• Brainstorm some vowel suffixes with your partner
Remember!
• It is only vowel suffixes that cause doubling
• It only affects the last letter of the word you are suffixing it to
• The last letter only doubles when there is only one consonant at the end• There is only one vowel letter
immediately before that last consonant
One consonant and one vowel before it?
• Is there just one consonant at the end?sad sand bet rest hit hint spot sport cut
hurt
• Is there just one vowel before it?• bat beat step sleep mat moat
• big + er• list + ed• swim + ing• eat +able• clap + ed• sad + ly
win + ing =
skip + ing =
run + ing =
hit + ing =
winning
skipping
running
hitting
beg+ ed =
trip + ed =
jog + ed =
sip + ed =
begged
tripped
jogged
sipped