1st--Unit 4 W 1 R-Controlled Vowels -ir, -er, -ur, ear

​What do all these words have in common?

certainly earn nurse

return other search

personable swerve virtual

termite determine third

thirty thirsty thirteen

​They are ALL r-controlled vowels!

​In American English, /r/-controlled vowels are vowels that are affected by the “r” sound, /r/. Whenever you see a vowel followed by the letter “r” in the same syllable, the 2 letters are pronounced together as one sound.

Multiple Choice

Which word is spelled correctly?

• tiger

• tigur

• tiegir

Drag and Drop

Add the missing r-controlled vowel:

tig​

Placeholder

Drag these tiles and drop them in the correct blank above

er

ir

ur

ear

Dropdown

Add the missing r-controlled vowel:

p​

Select answer

sonable

Multiple Choice

Choose the word that is spelled correctly:

• persunable

• personable

• pursonable

Multiple Choice

Choose the word is spelled correctly:

• tirmight

• termite

• turmite

Fill in the Blanks

Multiple Choice

Choose the word that is spelled correctly:

• deaturmine

• determine

• deturmin

Multiple Choice

Choose the word that is spelled correctly:

• generation

• jenurasion

• genirashun

Multiple Choice

Choose the word that is spelled correctly:

• perfect

• purfect

• perphext

• purfeck

Dropdown

Write the missing r-controlled vowel:

p​

Select answer

fect

Multiple Choice

In the words:

tiger

personable

termite

determine

perfect and consumer

Which r-controlled vowel is being applied in each word?

• er

• ir

• ur

• ear

Poll

Which is your favorite holiday?

• Christmas

• Thanksgiving

• Easter

• Halloween

Match

Match expressions their equal number

• 9x3

• 9+20

• 20-7

• $$12\div4$$

• 3+3+3+3+3

27

29

13

3

15

• 27

• 29

• 13

• 3

• 15