<meta http-equiv="refresh" content="1; url=/nojavascript/"> Lesson Thirty-seven | CK-12 Foundation
Skip Navigation
You are reading an older version of this FlexBook® textbook: Basic Speller Student Materials Go to the latest version.

8.13: Lesson Thirty-seven

Created by: CK-12

The Prefix Ob-

1. You have seen that when certain prefixes are added to certain stems, the last consonant in the prefix assimilates. In each of the following words, the first two letters are some form of the prefix ob-. Analyze each word to show what happened when the prefix ob- was added to the stem:

Word = Prefix + Stem
opposite = +
object = +
observe = +
occupy = +
offer = +
obtain = +
opportunity = +
occur = +
obstacle = +
occupation = +
obvious = +
oppose = +
oblige = +
occasion = +
offense = +

2. Now sort the twelve words into these two groups:

3. Now sort the nine words in which the <\text{b}> assimilated into these three groups:

Word Spell. How many words of three letters or more can you spell from the letters in the word opportunity? There are more than a hundred possible ones.

Image Attributions




1 , 2 , 3 , 4 , 5

Date Created:

Feb 23, 2012

Last Modified:

Apr 29, 2014
You can only attach files to None which belong to you
If you would like to associate files with this None, please make a copy first.


Please wait...
Please wait...
Image Detail
Sizes: Medium | Original

Original text