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| Math Central | Quandaries & Queries |
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Question from kaylin, a student: When a 4 digit rounded to the nearest thousand, it rounds up to 3000. the hundred digit is less than 6. the digits in the ten and ones place add to a sum of 8 and they are the same . what is the number |
We have two responses for you
Kaylin,
If the 4 digit rounded to the nearest thousand rounds up to 3000 the thousands digit must have been 2. Thus the number was
| 2 | ? | ? | ? |
Can you find the remaining digits?
Penny
*What must the thousands digit be ("rounds _up_")?
*What are the choices for the hundreds digit?
the hundred digit is less than 6.
*What are the choices for the hundreds digit now?
the digits in the ten and ones place add to a sum of 8
and they are the same.
*What must they be?
what is the number
*But you know now, don't you?
Good Hunting!
RD
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