Arithmetic Chain
Follow a running arithmetic total through a chain of operations.
Play Arithmetic Chain
Calculate ten sequential additions and subtractions, carrying the answer forward.
How to use Arithmetic Chain
Calculate ten sequential additions and subtractions, carrying the answer forward. All gameplay and calculations run in the browser; there is no mandatory account, game API or score upload.
What this challenge measures
Correct answers out of ten. This result describes performance in this specific exercise; it should not be interpreted as a population ranking.
How to improve with practice
Repeat attempts under similar conditions, compare with your own recent sessions, and favor consistent accuracy over isolated personal records. For fair comparisons keep the same browser, input method and device when possible.
Accuracy and limitations
Mental arithmetic should be practiced at a comfortable pace. Paused tabs, varying display refresh rates and browser scheduling can also affect time-sensitive exercises. Browser-local history can be cleared by the visitor at any time.
Frequently asked questions
Is Arithmetic Chain free?
Yes. You can use it without signing in or paying.
How do I use Arithmetic Chain?
Calculate ten sequential additions and subtractions, carrying the answer forward.
What does Arithmetic Chain report?
Correct answers out of ten.
Are scores scientifically or medically certified?
No. Mental arithmetic should be practiced at a comfortable pace.