0.5x (Chậm) 0.9x 1.5x (Nhanh)
0.7 (Trầm) 1.0 (Chuẩn) 1.3 (Trong)
WHEELER'S ELEMENTARY SPELLER
GRADES 2–3 PHONICS • ADVANCED OO PHONOGRAMS • CONTRAST & ORTHOGRAPHY
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LESSON 36 • VOWEL DIGRAPH OO ADVANCED STUDY (ōō vs. ŏŏ)

PHONICS & SPELLING RULES TO REMEMBER
RULE 1 • LONG OO (ōō /uː/) AS THE STANDARD
Most words spelled with oo take the tense Long oo /uː/ sound: food, mood, school, root, boot, toot, shoot, goose, noose, loose, choose, poor.
RULE 2 • SHORT OO (ŏŏ /ʊ/) PATTERNS & EXCEPTIONS
Words in -ook are reliably short (cook, book). Notice the contrast: boot, shoot take long ōō, but foot takes short ŏŏ! Food and mood take long ōō (unlike wood/good).
RULE 3 • CONSONANT DIGRAPHS & SIBILANTS
In school, ch makes hard /k/ (Greek root). In goose, noose, loose, -se makes voiceless /s/; in choose, -se makes voiced /z/.
1 Copy these words carefully • Spell them orally: Write each word neatly on the handwriting line:
COLUMN 1
food
hoof
mood
school
COLUMN 2
root
boot
toot
shoot
COLUMN 3
cook
goose
noose
loose
COLUMN 4
foot
poor
book
choose
2 Put the proper mark over each oo: Check whether each word takes Long oo (ōō /uː/) or Short oo (ŏŏ /ʊ/):
COLUMN 1
food
hoof
mood
school
COLUMN 2
root
boot
toot
shoot
COLUMN 3
cook
goose
noose
loose
COLUMN 4
foot
poor
book
choose
3 Word Contrasts & Dictation: Complete the sound analysis and write the teacher's dictation sentence:
ORTHOGRAPHIC & PHONETIC CONTRASTS
1. Foot takes short ŏŏ, but boot and shoot take (long ōō / short ŏŏ).
2. Wood takes short ŏŏ, but food and mood take (long ōō / short ŏŏ).
3. In the word school, the letters ch sound like the letter (k / ch).
4. The ending -se is voiceless in loose, but voiced in (goose / choose).
CLASSROOM DICTATION: