What is the answer to "Do some sums" in the USA Today Crossword?

The answer to the USA Today Crossword clue "Do some sums" is ADD (3 letters).

USA

Do some sums USA Today Crossword Clue

Across clue · from the July 9, 2026 puzzle

Stuck on “Do some sums” from the USA Today Crossword? Here is the verified answer:

Answer

ADD

3 letters · Across · last seen July 9, 2026

1DEnthusiast10 2D"Stay tuned . . . we'll be right back!"10 3DLike an arid climate3 4DPlay part5 4A"Sum" homophone4 5D"Sick burn!"6 6D"Don't do anything I wouldn't do!"15 7D" . . . you get the idea"3 8A___ couture5 8DPullover shirt with buttons at the neckline6 9DLike knowledge that might elicit a "How on EARTH did you know that?!"6