Answer:

ADDED

Answer	Crossword Clue
ADDED	Extra .. attraction
ADDED	Found the sum of
ADDED	Slipped in

ADDED	Threw in
ADDED	Built an ell
ADDED	Summed up
ADDED	Interjected
ADDED	Did sums
ADDED	Extra
ADDED	Tacked on
ADDED	Included

ADDED	Put in one's two cents worth
ADDED	Determined the sum
ADDED	Put two and two together
ADDED	Said further
ADDED	Tossed in
ADDED	Went on to say
ADDED	Put in later
ADDED	Produced a sum

ADDED	Thrown in
ADDED	Supplementary
ADDED	Mixed in
ADDED	Summed
ADDED	Kicked in
ADDED	Put in, as your two cents' worth
ADDED	Annexed
ADDED	Totted

ADDED	Said some more
ADDED	Put in
ADDED	Contributed
ADDED	Included afterward
ADDED	Was a summer
ADDED	Combined, as numbers
ADDED	Went on
ADDED	"With no sugar .."

ADDED	Gave as a bonus
ADDED	Said additionally
ADDED	Said also
ADDED	Did some arithmetic
ADDED	Found a sum

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.