Ron Gwairown always writes numbers down back to front. At school, he was once asked to do the following calculation:
14 x 82
In his exercise book Ron wrote down:
41 x 28
1. What answer did he get?
2. What answer should he have got?
3. Investigate other pairs of calculations of this type? What can you discover?
Topics: Starter  Arithmetic  Investigations  Place Value
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