
Page 1 of 2
Download, free
The full Geometry courseEvery lesson in teaching order, with over 510 printables.See the course ›What's on the worksheet
- Write a climbing gym rule as an if-then statement and decide when a climber keeps or breaks it.
- Decide whether sentences about an angle mean P implies Q or Q implies P, and find a counterexample.
- Find each student's mistake in a contrapositive and write the correct one.
- Test a statement and its converse for whole numbers 1 to 8 using even numbers and square areas.
- Show a statement about points on a line is true, then write and test its converse.
- Write the contrapositive of a claim about rectangle perimeter and prove it.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Conditionals, converse, inverse, contrapositive: the lesson ›More Chapter 1 worksheets: Points, lines, planes and the language of proof
- 1.1Axioms, definitions and theorems
- 1.2Points, lines and planes
- 1.3Lines and planes in space
- 1.4The midpoint formula
- 1.5Conjecture, and why a pattern is not a proof
- 1.6Counterexample
- 1.7Inductive reasoning
- 1.8Deductive reasoning
- 1.9Statements and negation
- 1.10Conditionals, converse, inverse, contrapositive
- 1.11Biconditional
- 1.12Converses and biconditional definitions