Assertion: column's digit | /r/CapableOf | write last digit
Facets:
value: in the tens-column
type: LOCATION
value: under the second line
type: LOCATION
Source sentences:
text: If the sum has two digits then the first digit is a carry-digit: write the last digit down in the tens-column under the second line and carry the first digit over to the hundreds-column, writing it as a superscript to the yet-unwritten hundreds-digit under the second line.