Foundations of Geometry

19 free Geometry activities for Foundations of Geometry: study guide, planning, practice and printable.

• Assessment Readiness Check (Study Guide)

  A Basics & Reasoning readiness check at three levels (CP2, CP1, Honors). Every problem and diagram is generated and independently verified, and the teacher key stays behind the teacher code.

• Daily Lesson Planner (Planning)

  Day-by-day lesson plans for Geometry, including Basics & Reasoning: do now, notes, examples, practice, exit ticket, handouts and PowerPoint, all with verified problems.

• Worksheet Generator (Practice)

  Differentiated Basics & Reasoning worksheets with accurate diagrams and a verified answer key. Choose skills, level and how many problems.

• Assessment Generator (Printable)

  Build Basics & Reasoning quizzes and tests, versions A to C, with diagrams, open response and a verified teacher key.

• Reasoning Four (Game)

  Connect Four for two teams on Basics & Reasoning. A correct multiple-choice answer drops a disc; a miss shows the worked solution and passes the turn. Verified problems with diagrams, three levels and an optional timer.

  Topics: Segments, midpoints and distance, Angle addition and bisectors, Converse, inverse, contrapositive, Reasoning and proof properties, Team game

• Basics & Reasoning Flashcards (Practice)

  25 flashcards with worked solutions for points, lines and planes, segment and angle addition, midpoints and distance, conditional statements, inductive and deductive reasoning, and the properties used in proofs. Mark cards you need to practice and review them again.

  Topics: Segments, midpoints and distance, Angle addition and bisectors, Converse, inverse, contrapositive, Reasoning and proof properties

• Basics & Reasoning Picture Reveal (Game)

  Ten typed problems on Basics & Reasoning. Each correct answer, checked by the independent verifier, uncovers a piece of a hidden picture. Worked solutions after each answer.

  Topics: Segments, midpoints and distance, Angle addition and bisectors, Converse, inverse, contrapositive, Reasoning and proof properties

• Reasoning Showdown (Game)

  A game board for Basics & Reasoning: six skill categories, 100 to 500 points, CP2/CP1/Honors or mixed boards. Add up to eight teams, open a problem with its diagram, show choices if you want them, then reveal the worked solution. A new board every time.

  Topics: Segments, midpoints and distance, Angle addition and bisectors, Converse, inverse, contrapositive, Reasoning and proof properties, Team game

• The Pirate Cove Puzzle (Game)

  Detective game: solve each problem to unlock a clue, clear suspects, places and methods off the case board, then name the culprit. Students type their answers.

  Topics: Segments and angles, Detective game, Typed answers

• Basics & Reasoning Tic-Tac-Toe (Game)

  Tic-Tac-Toe for two teams on Basics & Reasoning. Claim a square with a correct answer; a miss lets the other team steal. Verified problems with diagrams and an optional timer.

  Topics: Segments, midpoints and distance, Angle addition and bisectors, Converse, inverse, contrapositive, Reasoning and proof properties, Team game

• Temple of Logic: Jungle Escape (Game)

  Story-driven escape room for teams: five rooms with ciphers, hidden clues, figures and logic locks, a 10-minute timer, hints that cost time, and a final puzzle. Add #key to the address for the teacher answer key.

  Topics: Segment addition and midpoints, Escape room, Teamwork

• Basics & Reasoning Cheat Sheet (Printable)

  Two-page printable cheat sheet for Basics & Reasoning. Front: points, lines, planes, segments, rays and angles. Back: segment and angle addition, midpoints, distance and angle pairs. Key vocabulary, worked examples with every answer checked, and common mistakes.

  Topics: Cheat sheet, Reference, Basics & Reasoning, Unit 1

• Color by Number Generator (Printable)

  Make a color-by-number page for this unit: students solve numbered problems, with the diagram beside each one, and color a picture using a code of answers. CP2/CP1/Honors, up to three versions, colored answer key with worked solutions.

  Topics: Printable generator, Basics & Reasoning

• Error Analysis Generator (Printable)

  Make an error-analysis worksheet for this unit: each student’s worked solution has one mistake to find, explain and fix, with the diagram shown. CP2/CP1/Honors, up to three versions, answer key with the correct solution.

  Topics: Printable generator, Basics & Reasoning

• Partner Check Generator (Printable)

  Make a partner check for this unit: Partner A and Partner B solve different problems with the same answers, then compare. CP2/CP1/Honors, up to three versions, answer key with both partners’ solutions.

  Topics: Printable generator, Basics & Reasoning

• Whodunnit Generator (Printable)

  Make a printable whodunnit for this unit: 10 clue cards with four answer choices, a case board and a Show Your Work page. Every wrong choice is checked to be wrong. CP2/CP1/Honors, up to three versions, and a teacher key.

  Topics: Printable generator, Basics & Reasoning

• Stations Generator (Printable)

  Make station pages for this unit: choose 2–6 stations and 6–10 problems each, and the chosen skills are split across the stations. CP2/CP1/Honors, up to three versions, a one-page answer key and worked solutions.

  Topics: Printable generator, Basics & Reasoning

• Foundations of Geometry Millionaire (Game)

  A whole-class game show: 15 multiple-choice questions climb from warm-up to challenge on a prize ladder. Groups take turns in the hot seat with 50:50, Ask the Class and Hint lifelines. Fresh questions every game.

  Topics: Foundations of Geometry, Whole-class game

• Distance & Midpoint Explorer (Interactive)

  Drag two points to see the distance formula built from a right triangle and the midpoint as an average, then check segment addition with a point on the segment.

  Topics: Distance formula, Midpoint formula, Segment addition