[ANSWER KEY] TEACHER REFERENCE GUIDE EVALUATION STANDARD: 100% MASTERY INSTRUCTIONAL KEY
LESSON 18: WORD BUILDING & SYNTHESIS — MASTER KEY
Complete 31-Word Rime Directory, 12 Diacritical Solutions & Science of Reading Analysis
Official Solution
1. Complete 31-Word Onset + Rime Building Directory
-ack (/æk/) [8 words]
back /bæk/
lack /læk/
hack /hæk/
rack /ræk/
sack /sæk/
tack /tæk/
black /blæk/
crack /kræk/
-ick (/ɪk/) [9 words]
brick /brɪk/
kick /kɪk/
nick /nɪk/
pick /pɪk/
sick /sɪk/
stick /stɪk/
trick /trɪk/
wick /wɪk/
lick /lɪk/
-ind (/aɪnd/) [6 words]
bind /baɪnd/
find /faɪnd/
kind /kaɪnd/
mind /maɪnd/
blind /blaɪnd/
wind /waɪnd/
-ine (/aɪn/) [8 words]
dine /daɪn/
fine /faɪn/
line /laɪn/
mine /maɪn/
nine /naɪn/
pine /paɪn/
wine /waɪn/
vine /vaɪn/
2. Master Diacritical Solutions for Section 2 Review Words
clash → clăsh
Short ă (/æ/)
Closed syllable ending in digraph -sh
shade → shāde
Long ā (/eɪ/)
VCe pattern with silent final e
make → māke
Long ā (/eɪ/)
VCe pattern with silent final e
back → băck
Short ă (/æ/)
Closed syllable ending in digraph -ck
glad → glăd
Short ă (/æ/)
Closed syllable ending in stop -d
thank → thănk
Short ă (/æ/)
Closed syllable with nasal cluster -nk
flax → flăx
Short ă (/æ/)
Closed syllable ending in letter x (/ks/)
gave → gāve
Long ā (/eɪ/)
VCe pattern with protector e after v
mine → mīne
Long ī (/aɪ/)
VCe pattern with silent final e
inch → ĭnch
Short ĭ (/ɪ/)
Closed syllable with affricate -nch
send → sĕnd
Short ĕ (/ɛ/)
Closed syllable with nasal cluster -nd
here → hēre
Long ē (/ɪər/)
VCe r-controlled vowel pattern
3. Science of Reading & Couplet Literacy Analysis

Onset-Rime Analogy Mechanism

Grouping words into orthographic rime bodies (-ack, -ick, -ind, -ine) enables children to decode by chunking rather than slow letter-by-letter sound synthesis, rapidly expanding mental lexicon.

Couplet Morphology & Moral Theme

The rhyming couplet highlights the nasal cluster -ank (/æŋk/). The aphorism underscores civic honesty (frankness) as superior to worldly status, promoting socio-emotional character education.

4. Assessment Rubric (25 Points Total)
Task Focus Instructional Standard & Criteria Scoring
1. Word Building (Rimes) Accurate onset-rime blending producing correct spellings for all 31 target words. 12 pts (3 pts / rime box)
2. Review Diacritics Flawless transcription and correct breve/macron marking across all 12 review words. 6 pts (0.5 pt / word)
3. Couplet Penmanship Neat, baseline-aligned transcription of the rhyming couplet with punctuation. 4 pts (2 pts / line)
4. Oral Reading & Rhythm Fluent, expressive recitation of word lists and the moral couplet with proper rhythm. 3 pts (Oral fluency)