Grade 2 Math Number Names Rules up to 3 digits
Number Names Rules up to 3 digits
Number Names Rule for one Digit Numbers:
The names of
one digit numbers are independent. These are as follows:
|
Number
|
Name
|
|
1
|
One
|
|
2
|
Two
|
|
3
|
Three
|
|
4
|
Four
|
|
5
|
Five
|
|
6
|
Six
|
|
7
|
Seven
|
|
8
|
Eight
|
|
9
|
Nine
|
Number Names Rules for two digit numbers:
The names of two digits numbers are different types, some are independent and some are formed by adding a special word.
(i) Independent
Number Names:
10 – Ten
11 – Eleven
(ii) Derived
from two:
12 – twelve
(iii) Made
by suffixing the word by ‘teen’:
13 –
Thirteen
14 –
fourteen
15 – fifteen
16 –Sixteen
17 –Seventeen
18- Eighteen
19 –Nineteen
(iv) Made by
suffixing the word by ‘ty’:
20 – Twenty
30 – Thirty
40 – Forty
50 – Fifty
60 – Sixty
70 –Seventy
80 –Eighty
90 – Ninety
(v) Value Based Number Names:
21 – Twenty one
32 – Thirty-two
43 – forty-three
As like as for
(21-29), (31-39), (41-49), (51-59), (61-69), (71-79), (81-89) and (91-99).
Number Names of Three Digit Numbers:
(i) Made by
adding the word by ‘hundred’ and place value:
100 – One hundred
200 – Two hundred
300 – Three hundred
400 – Four hundred
500 – Five hundred
600 – Six hundred
700 – Seven hundred
800 – Eight hundred
900 – Nine hundred
(ii) Value Based Number Names:
101 – One hundred
one
202 – Two hundred
two
333 – Three hundred
thirty-three
445 – Four hundred
forty-five
509 – Five hundred
nine
664 – Six hundred
Sixty-four
770 – Seven hundred
Seventy
849 – Eight hundred
forty-nine
998 – Nine hundred
ninety-eight
As like as for
(101-199), (201-299), (301-399), (401-499), (501-599), (601-699), (701-799),
(801-899) and (901-999).
1. Write number names:
(i) 444
(ii) 40
(iii) 911
(iv) 333
(v) 201
(vi) 325
(vii) 452
(viii) 800
Answer:
(i) 444 –
Four hundred forty-four
(ii) 40 -
Forty
(iii) 911 –
Nine hundred eleven
(iv) 333 –
Three hundred Thirty-three
(v) 201 –
Two hundred two
(vi) 325 –
Three hundred twenty-five
(vii) 452 –
Four hundred fifty-two
(viii) 800 –
Eight hundred
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