Home Home



Home > Grades K-2 > Math > Math Challenge >















 

The Number I Imagined

Problem #31
Deadline to submit the solution: March 31st, 2001

I imagined a number. It is larger than 10 and smaller than 20.
If I switch the order of digits, then the new number is larger than 60 and smaller than 70.

Q1: What number did I imagine?

 

The Solutions:

Gautam from Bangalore, India
Grade: K2 Age: 7 School: National Public Scho
Solution:
Q1: 16
The nos that are larger than 10 and smaller than 20 are 11-19.If you switch the digits of no. 16 then you get a no which is larger than 60 and smaller than 70.
About me: I am Gautam.I study in II std.I live in Bangalore which is the capital of Karnataka in India.Bangalore is the Silicon Valley of India.
-----------------------------------

Caroline
from Korea
Grade: 1 Age: 6 School: Shinkwang
Solution:
Q1: 16
The numbers that are bigger than 10 and smaller than 20 are from 11 to 19. You switch the order of digits of all these numbers and when you switch the order of 16 it is 61. 61 is bigger than 60 and smaller than 70. So the answer is 16.
About me: I love to play, dance, read and play the piano.
-----------------------------------

Joshua
from USA
Grade: 2 Age: 8 School: HALIFAX ACADEMY
Solution:
Q1: 16
16 IS MORE THAN TEN BUT LESS THAN 20. iF YOU SWITCH THE NUMBERSTO 61 IT IS MORE THAN 60 BUT LESS THAN 70.
About me:
-----------------------------------

Nuamon
from Thailand
Grade: K3 Age: 6 School: Chatrwittaya School
Solution:
Q1: 61
16 is larger than 10 and less than 20,and if I switch the order of digits to 61,which is larger than 60 and smaller than70
About me: i solve it myself but my mother write the answer for me. i love your web see ya, icequeen
-----------------------------------

Eric
from Canada
Grade: 2 Age: 7 School: St. William
Solution:
Q1: 16
If you switch the 1 and 6, you come up with 6 and 1 which makes 61 which is larger than 60 but smaller than 70
About me:
-----------------------------------

Ashley
from U.S.A.
Grade: 2 Age: 7 School: Woodstock Elementary
Solution:
Q1: 16
I kept on switching the numbers between 10 and 20. And then I figured out that 16 was the answer because if you switch it , it will say 61, and that is between 60 and 70.
About me: People say I look like my Dad
-----------------------------------

Vivek
from USA
Grade: 1 Age: 6 School: frost
Solution:
Q1: 16
the number larger than 10 and smaller than 20 is 16. If I switch the order of digits then the new number is 61. 61 is larger than 60 and smaller than 70.
About me:
-----------------------------------

Praveen
from ?
Grade: 2 Age: 7 School: Cypress
-----------------------------------
Sedreyana from Battle Creek, Michigan
Grade: K Age: 6 School: St. Joseph
-----------------------------------
Carlee from USA
Grade: 3 Age: 8 School: Spring Hill Intermed
-----------------------------------
Unknown from ?
Grade: Age: School:
-----------------------------------
Sara from New Zealand
Grade: Age: 11 School:



Home
Site Map Comments Parents Teachers Privacy Policy and Terms of Use
K-2 ( Math, Language Arts 3-4 ( Math, Language Arts 5-8 ( Math, Language Arts)
All Ages (MindTwisters, Games) Advertise

info@dositey.com

Copyright ©Dositey Corporation 1998-2005