1. Regular and Irregular Plurals
State Content Standard:
WA 1.5 – Identify and correctly use regular plurals and irregular plurals.

2. Today we will write and use and
Learning Objective:
Today we will write and use and
plurals.
regular
irregular

3. Activate Prior Knowledge
Vowels Consonants – All the other letters of the alphabet e i o u a b c d f g h j k l m n p q r s t v w x y z

4. Concept Development
Today we will be working with words that end with a y to write them in their plural form.
Ex. lady boy daisy
There will be two types of plural forms. Some will be regular plurals and others will be irregular plurals.

5. we add “s” at the end to make it plural. Ex. t + s = toys
A regular plural is a word that you add an “s” to at the end.
When words end in a
we add “s” at the end to make it plural.
Ex. t s = toys
vowel and a y, oy

6. Non - examples
book + s = books
car + s = cars

7. Checking for Understanding
TPS – Why did I just add an s to tray to make it plural?
tray s = trays

8. Irregular plurals are words that are not typical, usual, or common because they change spelling when talking about more than one.
When words end in a
we drop the y and add “ies” to make the word plural.
Ex. strawber ies = strawberries
consonant and a y ry /

9. Non - examples
book + s = books
car + s = cars

10. Checking for Understanding
TPS – Why did I cross out the y and add “ies” to make it plural?
puppy ies = puppies

11. Importance To be able to write a plural correctly.
Why are we learning about regular and irregular plurals?
To be able to write a plural correctly.

12. Skill Development Look at the word. Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies

13. pen penny ny + ies = pennies Make the word plural. Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies
pen
penny ny
+ ies =
pennies

14. ber berry ry + ies = berries Make the word plural. Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies
ber
berry ry
+ ies =
berries

15. ey key keys + s = Make the word plural. k Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies k
key ey
keys
+ s =

16. ey monkey monkeys + s = Make the word plural. monk Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies
monk
monkey ey
monkeys
+ s =

17. Closure What do you do if a word ends with a consonant and a y?
Drop the y and add “ies.”
Why is it important to learn regular and irregular plurals?
To learn to write a plural correctly.

18. by baby babies + ies = Make the word plural. ba Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies ba
baby by
babies
+ ies =

19. s sky ky skies + ies = Make the word plural. Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies s
sky ky
skies
+ ies =

20. day ay + s = days Make the word plural. d Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies d
day ay
+ s =
days

21. f fly ly + ies = flies Make the word plural. Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies f
fly ly
+ ies =
flies

22. la lady dy + ies = ladies Make the word plural. Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies la
lady dy
+ ies =
ladies

23. dai daisy sy + ies = daisies Make the word plural. Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies
dai
daisy sy
+ ies =
daisies

24. count country ry countries + ies = Make the word plural.
Look at the word.
Underline the last two letters.
Ask yourself: vowel – y ? = s
Ask yourself: consonant – y ? = ies
count
country ry
countries
+ ies =