MoCA Calculation Skills 3 Flashcards
6 cards from real MOCA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 MoCA Calculation Skills 3 flashcards as text
How many individual subtraction attempts are made in the MoCA serial 7 task?
Answer: 5 attempts
The examiner asks for 5 consecutive subtractions of 7 starting from 100 (93, 86, 79, 72, 65), giving 5 individual attempts to score.
When evaluating calculation ability with the MoCA serial 7 task, clinicians should be cautious interpreting low scores in patients who:
Answer: Have limited formal education or low numeracy backgrounds
Education and cultural background strongly influence performance on arithmetic tasks. Low serial 7 scores in individuals with limited formal education may not reflect cognitive impairment.
A patient answers: 93, 86, 79, 72, 65. What is their serial 7 score?
Answer: 3 points
All five answers are correct (100-7=93, 93-7=86, 86-7=79, 79-7=72, 72-7=65). Five correct answers earns the maximum score of 3 points.
The MoCA serial 7 task is classified under which cognitive domain on the score sheet?
Answer: Attention
Serial 7 subtraction is placed within the Attention domain on the MoCA score sheet, alongside digit span and letter vigilance.
What cognitive processes are simultaneously engaged during serial 7 subtraction?
Answer: Arithmetic, working memory, sustained attention, and mental flexibility
Performing serial 7s requires arithmetic knowledge, working memory to hold the running total, sustained attention to stay on task, and mental flexibility — making it a rich multi-domain task.
In MoCA scoring, a patient who correctly subtracts 7 only once (getting 93 right, then failing) earns:
Answer: 1 point
Per MoCA scoring rules, exactly 1 correct subtraction earns 1 point. Errors on subsequent attempts do not negate the one correct response.