## Add a single digit to any 3-digit number (no help)

Add a single digit to a 3-digit number crossing the tens boundary.

## Add a single digit to any 3-digit number (no help)

Add a single digit to a 3-digit number crossing the tens boundary.

Add a single digit to a 3-digit number crossing the tens boundary.

Add a single digit to a 3-digit number crossing the tens boundary.