š Challenge Modes
Five problems. One click. How high can you score?
š Best: ā
2 propositions ā¢ hints + highlighting ā¢ column checking ā¢ Ā¬ ā§ āØ ā¢ 1ā3 columns
š Best: ā
2 propositions ā¢ hints + highlighting ā¢ submission checking ā¢ Ā¬ ā§ āØ ā ā ā¢ 2ā4 columns
š Best: ā
3 propositions ā¢ no hints/highlighting ā¢ submission checking ā¢ Ā¬ ā§ āØ ā ā ā ā¢ 3ā6 columns
Customize your own practice settings below.
āļø Customize Your Practice
šÆ Practice length
Free practice keeps generating problems with no final score.
š¤ Propositional variables
Check both to mix 2- and 3-variable problems.
š Operators to include
š Columns
Min: 1Max: 4
Choose the range of derived/intermediate columns in each problem.
š Checking
āØ Guidance
Highlights source columns and, when enabled, offers progressive conceptual hints without giving away the answer.
ā Skipping
When on, every unanswered cell in a skipped problem counts as incorrect.
ā± Timed mode
The timer counts up across the entire practice set so you can see your total completion time.