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Home > Geometry > Chapter 2 > Games
 
   
Return to book index Chapter 2 : Reasoning and Proof
Games

To play, click on the desired block with your mouse, or move the cursor with your ARROW KEYS. When the block is highlighted, type your letter. To switch from across to down or vice versa use the ARROW KEYS or Control-CLICK with your mouse. To clear the puzzle, click on your browser's REFRESH or RELOAD button. After clicking "Check Answers", incorrect letters will be marked with an "X". Your teacher has access to the completed puzzle.

Across
1.Rules that are accepted without proof. Also called axioms.
4.The "if" part of a conditional statement.
7.The "then" part of a conditional statement.
9.The statement formed when you negate the hypothesis and conclusion of a conditional statement.
10.The statement formed when you negate the hypothesis and conclusion of the converse of a conditional statement.
11.A ________ statement contains the phrase "if and only if."
  
Down
2.A true statement that follows as a result of other true statements.
3.Uses known words to describe a new word.
5.________ reasoning is a process that includes looking for patterns and making conjectures.
6.The statement formed by switching the hypothesis and the conclusion of a conditional statement.
7.An unproven statement that is based on observations.
8.The negative of a statement. It is symbolized by ~.