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Grade 5 lesson 13. ou & ow sound spellings comparative & superlative word usage. Digraph vs. diphthong. DIGRAPH: When we see 2 letters together making only 1 sound, we call it a digraph. Examples: sn ow , bl ow , kn ow n
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Grade 5 lesson 13 ou & ow sound spellings comparative & superlative word usage
Digraph vs. diphthong DIGRAPH: When we see 2 letters together making only 1 sound, we call it a digraph. Examples: snow, blow, known DIPHTHONG: When we see 2 letters together and we hear just a little of each sound, we call it a diphthong. (pronounced: dif-thong) Examples: cow, plow, out, loud
Digraph ow/diphthong ow The vowel team ow can be either a digraph or a diphthong. OW is most commonly a digraph. DIGRAPH: DIPHTHONG: unknown allowance arrowhead eyebrow slower scowl
Diphthong ou / digraph ou The vowel team ou can be a diphthong or a digraph. As a digraph, it can make a short or long (u) sound. OU is most commonly a diphthong. DIPHTHONG: DIGRAPH: louder younger discount enough thousand soup
Changing Rule • We know that a SUFFIX is a VOWEL SUFFIX if the FIRST letter of the suffix is a vowel. • -ing, -er, -ed When you add a vowel suffix to a base word with vowel Y in the final position, you must change the Y to i before adding the suffix unless the suffix begins with the letter i. Base Word: happy + er = happier cloudy + est = cloudiest
“JUST ADD” VOWEL SUFFIX When we have a base word, and we add a VOWEL suffix…we check the last 3 letters of the base word. IF we have 2 consonants in the FINAL position of the base word, we can “JUST ADD” the vowel suffix! quick + er = quicker fast + er = faster IF we have a vowel team in the last 3 letters of the base word, we can “JUST ADD” the vowel suffix! (digraph / dipthongow and ou count as a vowel team!) slow + er = slower narrow + est = narrowest
SPELLING WORDS louder quicker loudest happier amount slower thousand younger discount cloudiest allowance creepiest eyebrow stringiest scowl clumsiest unknown shallowest arrowhead narrowest