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4.23: Review of Simple Addition and the Three Changes

Difficulty Level: At Grade Created by: CK-12
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Review of Simple Addition and the Three Changes

1. Divide these words into shorter words and suffixes. Be sure you show any cases of twinning, final <e> deletion, or <y>'s that are changed to <i>:

Word = Shorter Word + Suffix
libraries = libray + i + es
maddest = mad + d + est
recycles = recycle + s
societies = society + i + est
helicopters = helicopter + s
rerunning = return + n + ing
named = name + ed
shutter = shut + t + er
families = family + es
rewriting = rewrite + ing
ruler = rule + er
stories = story + es

2. Add these prefixes, words and suffixes together. Show any twinning or final <e> deletion, or <y>'s that are changed to <i>:

Prefixes, Words, and Suffixes = Longer Word
family + i + es = families
century + i + es = centuries
un + plan + n + ed = unplanned
short + est = shortest
re + live + ed = relived
brother + s = brothers
mad + d + er = madder
book + keep + er = bookkeeper
un + time + ed = unlined
teach + er + s = teachers
supply + i + es = supplies
success + es = successes
zoo + s = zoos
think + er + s = thinkers
un + done = undone
full + est = fullest
society + i + es = socities
book + s = books
quick + est = quickest
ghost + s = ghosts
un + mix + ed = unmixed
clothe + ing = clothing
picnic + s = picnics
supply + l + er + s = suppliers
six + th + s = sixths
head + ache + s = headaches
ice + y + i + est = tiniest
re + view + er + s = reviewers

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Grades:
1 , 2 , 3 , 4 , 5
Date Created:
Feb 23, 2012
Last Modified:
Jul 07, 2015
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