7177
/www/nrich/html/content/id/7177/
1
2011-02-01T00:00:01
<?xml version="1.0" encoding="UTF-8"?>
<mdoxml version="1.0"><br></br>
<p>The digits of Alberta's age are interchanged and $1$ is added. The answer is half of Alberta's present age. How old is Alberta?<br></br>
</p>
<p>If you liked this problem, <a href="http://nrich.maths.org/7216">here is an NRICH task</a> which challenges you to use similar mathematical ideas.</p>
<p> </p>
<p> </p></mdoxml>
<?xml version="1.0" encoding="UTF-8"?>
<mdoxml version="1.0"><br></br>
Alberta is $52$.<br></br>
<br></br>
<br></br></mdoxml>
2
3
0
1
1
0
0
Weekly Problem 26 - 2011
Alberta won't reveal her age. Can you work it out from these clues?
Using, Applying and Reasoning about Mathematics
Working systematically
Secondary Mapping Document
Place value, ordering and rounding LS
Secondary Mapping Document
Number operations and calculation methods