Forwards Add Backwards
Forwards Add Backwards printable worksheet
The number $747$ can be formed by adding a $3$-digit number
Can you find the other two ways of making $747$ in this way?
Which other numbers between $700$ and $800$ can be formed from a number plus its reversal?
There are more than five...
Can you explain how you know you have found all the possible numbers?
How many numbers between $300$ and $400$ can be formed from a number plus its reversal. And between $800$ and $900?$...
The number $1251$ can be formed by adding a $3$-digit number with its reversal.
Which other numbers between $1200$ and $1300$ can be formed from a number plus its reversal? And between $1900$ and $2000?$...
With thanks to Don Steward, whose ideas formed the basis of this problem.
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