Teacher Master Key • Lessons 165 & 166

Section 1: The Accent Rule in Suffixation & Open-Syllable Long ā

Morphology • Accent Laws

Wheeler's Accent Law in Suffixation:
"A final consonant after a short vowel is not doubled where the syllable is not accented."
• In words of two syllables ending in a single consonant preceded by a single vowel, double the consonant ONLY when the stress falls on the LAST syllable (e.g., pre-fér → pre-férred, be-gín → be-gín-ning).
• When the stress is on the FIRST syllable, the final consonant is NEVER doubled: út-ter → út-tered, bút-ter → bút-tered, mút-ter → mút-ter-ing.

Long ā in Open Syllables & Silent-e Dropping:
• Open Syllable Long ā: In dissyllables where the first syllable ends in vowel a (la-zy, Ma-bel, ta-ble, la-bor, ba-by, fa-ble, fla-vor, na-vy), the vowel is long (/eɪ/).
• Dropping Silent-e: In take → taking and make → making, the final silent -e is dropped before the vowel suffix -ing.
• Proper Capitalization: Mabel is a proper noun (Latin amabilis, lovable) requiring an initial capital.

Section 2: 24 Target Words Master Phonics, IPA & Etymology Key

24 Dissyllables • IPA • Roots

Word	IPA	Lesson 165 (Short ŭ) Rules	Word	IPA	Lesson 166 (Long ā) Rules
study	/ˈstʌdi/	Latin studium; short ŭ; final -y = /i/	lazy	/ˈleɪzi/	Open syllable gives long ā; Low German origin
under	/ˈʌndər/	OE under; cluster -nd- closes first syllable	Mabel	/ˈmeɪbəl/	Proper noun; Latin amabilis (lovable)
uttered	/ˈʌtərd/	Base ut'ter (1st accent); r is not doubled	table	/ˈteɪbəl/	Open ta- + consonant + le (/bəl/); Latin tabula
muzzle	/ˈmʌzəl/	OF musel; doubled -zz- protects short ŭ	labor	/ˈleɪbər/	Open syllable gives long ā; Latin labor
sunset	/ˈsʌnsɛt/	Compound noun: sun + set	baby	/ˈbeɪbi/	Open first syllable gives long ā; ME baban
funny	/ˈfʌni/	Base fun + -y; doubled -nn- protects short ŭ	taking	/ˈteɪkɪŋ/	Base take; drops silent -e before -ing
buttered	/ˈbʌtərd/	Base but'ter (1st accent); r is not doubled	fable	/ˈfeɪbəl/	Open fa- + consonant + le; Latin fabula
puzzle	/ˈpʌzəl/	Doubled -zz- protects short ŭ; syllabic -le	flavor	/ˈfleɪvər/	Open syllable gives long ā; OF flaveur
summer	/ˈsʌmər/	OE sumor; doubled -mm- protects short ŭ	danger	/ˈdeɪndʒər/	Long ā before cluster -ng- (/ndʒ/); OF dangier
muddy	/ˈmʌdi/	Base mud + -y; doubled -dd- marks short ŭ	making	/ˈmeɪkɪŋ/	Base make; drops silent -e before -ing
muttering	/ˈmʌtərɪŋ/	Base mut'ter (1st accent); r is not doubled	hasty	/ˈheɪsti/	Base haste + -y; long ā before -st-
punish	/ˈpʌnɪʃ/	Latin punire; short ŭ; digraph -sh = /ʃ/	navy	/ˈneɪvi/	Open syllable gives long ā; Latin navis (ship)

Section 3: Master Oral Dictation Script, Socratic Inquiry & Evaluative Rubric

Dictation • Socratic • 20-Point Rubric

Master Oral Dictation Sentences (Administer at 12 wpm):

"Mabel set the fresh buttered toast upon the kitchen table." (Tests: Mabel, buttered, table)
"A hasty sailor warned the navy of great danger in the fog." (Tests: hasty, navy, danger)
"The shepherd uttered not a word while putting a muzzle on the dog." (Tests: uttered, muzzle)
"During summer, the lazy boy avoided hard labor until sunset." (Tests: summer, lazy, labor, sunset)
"The teacher will not punish the child for making a funny puzzle." (Tests: punish, making, funny, puzzle)

Socratic Inquiry Key:
Teacher: "Why is the letter 'r' not doubled in 'uttered' and 'buttered'?"
Pupil: "Because the accent is on the first syllable (út-ter, bút-ter). Wheeler's rule states that final consonants are not doubled when the syllable is not accented!"

Open-Syllable Long ā Key:
Teacher: "Why does the letter 'a' have the long sound in 'lazy', 'baby', and 'navy'?"
Pupil: "Because the first syllable is open (la-zy, ba-by, na-vy). A vowel at the end of an accented syllable is usually long!"

1. Short ŭ & Long ā Phonics (5 pts)

Accurate identification and spelling of short ŭ and long ā across all 24 words.

2. Accent Suffix Law (5 pts)

Flawless understanding that unaccented syllables do not double final r in uttered, buttered.

3. Penmanship (5 pts)

Strict 26px line discipline; ascenders and descenders properly touching dashed midline.

4. Sentence Mechanics (5 pts)

Original sentence composition with correct syntax and proper capitalization of Mabel.

Total: 20 Points • Mastery: 18–20 | Proficient: 15–17 | Developing: 12–14 | Emerging: <12