• Acquired some more

• Additional

• Annexed

• Appended

• Augmented

• Built (on)

• Built an ell

• Came up with a sum

• Combined, as numbers

• Contributed

• Dad and Ed said more

• Determined the sum

• Did basic math

• Did some arithmetic

• Did some math, maybe

• Did some simple arithmetic

• Did sum work

• Did sums

• Did the math

• Extra

• Extra ___ attraction

• Found a sum

• Found the sum

• Further

• Gained a background singer

• Gained a band member

• Gave as a bonus

• Gave something extra

• Got the total

• Got to the bottom of things

• Hit the + key

• Included

• Included afterward

• Inserted

• Interjected

• Kicked in

• Kind of attraction

• Like a certain attraction

• Like a postscript

• Like bonuses

• Like encores

• Made calculation

• Made sense, with up

• Made use of an abacus

• Mixed in

• Part of V.A.T.

• Pressed the calculator plus sign

• Produced a sum

• Put 2 and 2 together

• Put in

• Put in later

• Put in one's two cents worth

• Put together

• Put two and two together

• Said additionally

• Said also

• Said further

• Said some more

• Slipped in

• Stated further

• Stirred in

• Summed

• Supplementary

• Supplemented

• Tacked on

• Tacked on some more chapters

• Tallied

• Tallied one's score

• Tallied up

• Threw in

• Took a total

• Tossed in

• Totaled

• Totaled up

• Type of attraction

• Used a plus sign

• Used an abacus

• Value-___ (term that may signal a price hike)

• Was a summer

• Went on

• Went on to say

• With no sugar ___

• Worked out a sum

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