Unit 2- Congruence Glossary and quiz

What is the converse of the statement "If it’s Monday, then it must be a rainy day"?

• If it is a rainy day, then it must be Monday.

• If it’s not Monday, then it’s not a rainy day.

• If it’s Monday, then it’s not a rainy day.

• If it’s a rainy day, then it’s not Monday.

What does the term "corresponding" refer to in geometry?

• Parts of an image that match up with parts of the pre-image.

• Parts of an image that are different from the pre-image.

• Parts of an image that are larger than the pre-image.

• Parts of an image that are smaller than the pre-image.

What is the purpose of mathematical modeling?

• To represent real world events and make predictions.

• To create artistic designs.

• To solve puzzles.

• To write stories.

What is a rigid transformation in geometry?

• A transformation that maintains congruence, or size and shape.

• A transformation that changes the size but not the shape.

• A transformation that changes the shape but not the size.

• A transformation that changes both size and shape.

What do congruence statements represent in geometry?

• Parts in figures that correspond and are equal in size to each other.

• Parts in figures that are different in size.

• Parts in figures that are similar but not equal.

• Parts in figures that are unrelated.

What is a conjecture in mathematics?

• A proven mathematical fact.

• A statement based on observed principles or patterns.

• A random guess without any basis.

• A detailed mathematical proof.

What does it mean to justify a statement in mathematics?

• To guess the answer.

• To support it with known definitions, theorems, or calculations.

• To ignore the statement.

• To rewrite the statement in simpler terms.

What is involved in the process of proving a statement?

• Making a random guess.

• Using a two-column table, paragraph, or flowchart to justify statements.

• Ignoring the given information.

• Writing a short summary.

What is a theorem in mathematics?

• A random mathematical statement.

• A statement proved by a chain of reasoning.

• A hypothesis based on prior knowledge.

• An unproven assumption.

Which lesson first introduces the concept of proof in the course?

• Unit 1, Lesson 1

• Unit 2, Lesson 3

• Unit 2, Lesson 4

• Unit 3, Lesson 2