(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Terminology or symbol used before it is defined
Unclear whether something is a definition or a statement
Incomplete board erasing
Unclear when the talk is over
False statement
Using one symbol for two different things
Graph with axes not defined
Speaking too softly
Misattribution
Unexplained diagram
Conditional statement with "if" and "then" not written
Illegible handwriting
Awkward silence
Using => to mean "then"
Unconventional notation
Unclear logic
Did not plan what to write on board
Quantification missing or unclear
Inappropriate level given the audience
Spelling error
Unclear whether something is a hypothesis or a conclusion
Proof steps skipped without saying so
Overtime
Not enough written to stand alone as a coherent exposition