Related Clues:

• Get a wrong number
• Be a total failure?
• Say 2 + 3 = 6, e.g.
• Make sum errors
• Total incorrectly
• Write 2 + 7 = 10, e.g
• Total one's totals?
• Do sum thing wrong?
• Make sum mistakes?
• Have sum trouble
• Err in finding the total of
• Totally screw up?
• Total up wrongly