CPM Homework Banner

Home > CC3 > Chapter 2

Lesson 2.1.1, lesson 2.1.2, lesson 2.1.3, lesson 2.1.4, lesson 2.1.5, lesson 2.1.6, lesson 2.1.7, lesson 2.1.8, lesson 2.1.9.

© 2022 CPM Educational Program. All rights reserved.

CPM Student Tutorials

  • CC3 6.1.1: Key-Lock Puzzle (CPM)

Updated on Feb 15, 2023

Click on the links below.

1. key-lock puzzle:.

  • Choose between triangle and key.
  • Click the Gear to create puzzles and save.

Key-Lock Puzzle:

2. The left tray records all rigid transformation steps!

The left tray records all rigid transformation steps!

3. Intro Problems:

  • Drag to translate (or)
  • Click on the translate button in the tray.  Choose the desired translation.
  • Click the "?" for complete instructions.

Intro Problems:

4. When the key is placed in the key hole correctly, the student is congratulated!

When the key is placed in the key hole correctly, the student is congratulated!

5. Wall problems: Each of these have at least one wall which cannot be bumped or crossed.

Wall problems: Each of these have at least one wall which cannot be bumped or crossed.

6. Star Problems:

Star Problems:

CC Course 3 eTools

  • Algebra Tiles (CPM)
  • Pattern Tile & Dot Tool (CPM)
  • Base Ten Blocks (CPM)
  • Area and Perimeter (CPM)
  • Desmos Graphing Calculator
  • Data Representations (CPM)
  • Rigid Transformations eTool (CPM)
  • CC3 1.1.2: 1-9 Student eTool (CPM)
  • CC3 1.1.2: 1-10 Student eTool (CPM)
  • CC3 1.1.4: 1-25b Newton's Revenge Teacher eTool (Desmos)
  • CC3 1.2.1: 1-42 Student eTool (Desmos)
  • CC3 2.1.4: 2-36 Student eTool (CPM)
  • CC3 2.1.5: 2-47 Student eTool (CPM)
  • CC3 2.1.5: 2-49a and 2-49b Student eTools (CPM)
  • CC3 2.1.6: 2-56a to 2-56f Student eTools (CPM)
  • CC3 2.1.6: 2-57 Student eTool (CPM)
  • CC3 2.1.7: 2-64, 2-65, 2-66a & 2-66b Student eTools (CPM)
  • CC3 2.1.8: 2-72 & 2-74 Student eTools (CPM)
  • CC3 2.1.9: 2-82a, 2-82b, & 2-82c Student eTools (CPM)
  • CC3 3.1.1: 3-1a & 3-1b Student eTool (CPM)
  • CC3 3.1.2: Redwoods: The Tallest Trees Video
  • CC3 3.1.2: 3-11&12 John's Giant Redwood Student eTool (Desmos)
  • CC3 3.1.3: 3-18 Student eTool (Desmos)
  • CC3 3.1.3: 3-19 to 3-22 Student eTool (Desmos)
  • CC3 3.2.1: 3-70 Student eTool (CPM)
  • CC3 4.1.2: 4-12, 4-13a, 4-13b, and 4-15 Student eTools (CPM)
  • CC3 4.1.3: 4-22 Student eTool (Desmos)
  • CC3 4.1.7: 4-65 Student eTool (Desmos)
  • CC3 5.1.1: 5-2b Student eTool (CPM)
  • CC3 5.2.1: Iditarod- Checkpoints Video
  • CC3 5.2.1: 5-23 Student eTool (Desmos)
  • CC3 5.2.3: 5-42 Student eTool (CPM)
  • CC3 6.1.2: Transformation Challenge 1 & 2 (CPM)
  • CC3 6.1.3: 6-18 Student eTool (Desmos)
  • CC3 6.1.3: 6-24 Student eTool (CPM)
  • CC3 6.2.1: 6-43 Student eTool (Desmos)
  • CC3 6.2.2: 6-52, 6-53, & 6-56 Student eTools (Desmos)
  • CC3 7.1.2: 7-15 Student eTool (Desmos)
  • CC3 7.2.2: 7-43 Student eTool (Desmos)
  • CC3 7.2.3: 7-56 & 7-59 Student eTools (Desmos)
  • CC3 7.3.1: 7-87 Student eTool (Desmos)
  • CC3 7.3.2: 7-97 Student eTool (Desmos)
  • CC3 8.1.1: 8-2 and 8-3 Student eTools (Desmos)
  • CC3 8.1.2: 8-14 Student eTool (Desmos)
  • CC3 8.2.3: Powers of Ten Film
  • CC3 9.2.3: 9-85 Student eTool (Desmos)
  • CC3 9.2.4: 9-105 ShowMe video
  • CC3 9.2.6: 3D Model Box (CPM)
  • CC3 9.2.7: Pythagorean Proof Video
  • CC3 10.1.3: Volume of a Pyramid Video
  • CC3 10.1.3: Volume of a Cone
  • CC3 10.1.3: Volume of a Sphere

Other Resources

  • Student: CPM eBooks (Student Version)
  • Student: eWorkspace
  • Parent: eBook Support
  • Trouble Shooting
  • Creating Desmos eTools
  • Creating CPM eTools
  • Algebra Videos
  • Problem Solving Videos
  • Statistics Videos
  • TI-84 Graphing Calculator
  • Student: Presentation Tools
  • CC Course 1 eTools
  • CC Course 2 eTools
  • CC Algebra eTools
  • CC Geometry eTools
  • CC Algebra 2 eTools
  • CC Integrated I eTools
  • CC Integrated II eTools
  • CC Integrated III eTools
  • Pre-Calc. w/Trig
  • Making Connections 1
  • Making Connections 2
  • Algebra Connections
  • Geometry Connections
  • Algebra 2 Connections
  • Foundations For Algebra 1
  • Foundations For Algebra 2

COMMENTS

  1. CPM Homework Help : CC3 Chapter 1

    CPM Education Program proudly works to offer more and better math education to more students.

  2. CPM Homework Help : CC3

    CPM Education Program proudly works to offer more and better math education to more students.

  3. CPM CC3: Chapter 1 Flashcards

    mean. The average of several numbers found by adding all scores together and dividing by the number of scores. origin. (0,0) The point on a coordinate plane where the x-axis and y-axis intersect. proportion. An equation stating that two ratios (fractions) are equal. stem-and-leaf plot. A method of graphing a collection of numbers ordered from ...

  4. CPM CC3 Chapter 1 Flashcards

    Study with Quizlet and memorize flashcards containing terms like product, sum, x axis and more.

  5. Core Connections Course 3

    Exercise 68. Exercise 69. Exercise 70. Exercise 71. Find step-by-step solutions and answers to Core Connections Course 3 - 9781603280914, as well as thousands of textbooks so you can move forward with confidence.

  6. Core Connections Integrated 3

    Our resource for Core Connections Integrated 3 includes answers to chapter exercises, as well as detailed information to walk you through the process step by step. With Expert Solutions for thousands of practice problems, you can take the guesswork out of studying and move forward with confidence. Find step-by-step solutions and answers to Core ...

  7. CC Course 3 eTools

    Chapter 1 4 Articles CC3 1.1.2: 1-9 Student eTool (CPM) CC3 1.1.2: 1-10 Student eTool (CPM) CC3 1.1.4: 1-25b Newton's Revenge Teacher eTool (Desmos) ... (CPM) CC3 2.1.9: 2-82a, 2-82b, & 2-82c Student eTools (CPM) Chapter 3 6 Articles CC3 3.1.1: 3-1a & 3-1b Student eTool (CPM) CC3 3.1.2: Redwoods: The Tallest Trees Video; CC3 3.1.2: 3-11&12 John ...

  8. CPM CC3 Chapter 1 Vocabulary Flashcards

    CPM Course 3 Vocabulary for Ch. 1 Learn with flashcards, games, and more — for free. Fresh features from the #1 AI-enhanced learning platform. Explore the lineup

  9. CPM Homework Help : CC3 Lesson 3.1.3

    CPM Education Program proudly works to offer more and better math education to more students.

  10. Chapter 1

    Chapter 1 4. Chapter 2 8. Chapter 3 6. Chapter 4 3. Chapter 5 4. Chapter 6 6. Chapter 7 5. Chapter 8 ... CC3 1.1.2: 1-10 Student eTool (CPM) CC3 1.1.4: 1-25b Newton's Revenge Teacher eTool (Desmos) CC3 1.2.1: 1-42 Student eTool (Desmos) ...

  11. CC3 Selected Answers

    CC3 Selected Answers - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document contains selected answers for lessons in a math course. It provides short answers to math problems across several lessons on topics like operations with integers, fractions, expressions, equations, ratios and proportions. The answers range from single values to brief explanations ...

  12. CC3 3.2.1: 3-70 Student eTool (CPM)

    Use this eTool to view the Equation Mat that will be used in solving part (b) of problem 3-70. Solve the equation on your Equation Mat one step at a time. Every time you make a step, record your work in two ways: Record the step that was taken to get from the old equation to the new equation. Write a new equation that represents the tiles on ...

  13. CPM Homework Help : CC3 Lesson 8.2.1

    CPM Education Program proudly works to offer more and better math education to more students.

  14. CC1-3 Table of Contents

    Core Connections,Course 2. Chapter 1: Introduction and Probability. Chapter 2: Fractions and Integer Addition. Chapter 3:Arithmetic Properties. Chapter 4: Proportions and Expressions. Chapter 5: Probability and Solving Word Problems. Chapter 6: Solving Inequalities and Equations. Chapter 7: Proportions and Percents.

  15. CC3

    CC3 Homework Help. CC3 is a traditional full-year course and will primarily focus on developing a deeper understanding of the following major concepts: In order by Chapter. 1) Problem Solving. 2) Simplifying with Variables. 3) Graphs and Equations. 4) Multiple Representations. 5) Systems of Equations. 6) Transformations and Similarity.

  16. CPM Homework Help : CC3 Chapter 2

    CPM Education Program proudly works to offer more and better math education to more students.

  17. Effective Learning Resources

    EFFECTIVE LEARNING RESOURCES More Help for Your Student Choose from the following effective learning resources. Homework Help Parent Guide Checkpoints Math Notes Toolkits/Learning Logs Homework Help Homework Help Designed to assist students to be able to do the problems. Provides a variety of complete solutions, hints, and answers. Available to students and parents inside their

  18. CC3 2.1.7: 2-64, 2-65, 2-66a & 2-66b Student eTools (CPM)

    CC3 3.1.1: 3-1a & 3-1b Student eTool (CPM) CC3 3.1.2: Redwoods: The Tallest Trees Video; CC3 3.1.2: 3-11&12 John's Giant Redwood Student eTool (Desmos) CC3 3.1.3: 3-18 Student eTool (Desmos) CC3 3.1.3: 3-19 to 3-22 Student eTool (Desmos) CC3 3.2.1: 3-70 Student eTool (CPM) Chapter 4 3. CC3 4.1.2: 4-12, 4-13a, 4-13b, and 4-15 Student eTools (CPM ...

  19. CC3 6.1.2: Transformation Challenge 1 & 2 (CPM)

    Use these eTools to complete the task in problem 6-8. With your team, describe how Rowan could have moved each key from the starting position to the ending position using slides (also called translations ), turns (also called rotations ), and/or flips (also called reflections ). Make sure you provide enough detail to describe the moves completely.

  20. Integrated 1-3 Table of Contents

    Integrated II. Chapter 1: Exploring Algebraic and Geometric Relationships. Chapter 2: Justification and Similarity. Chapter 3: Probability and Trigonometry. Chapter 4: Factoring and More Trigonometry. Chapter 5: Quadratic Functions. Chapter 6: More Right Triangles. Chapter 7: Proof and Conditional Probability. Chapter 8: Polygons and Circles.

  21. Help Your Student

    A good place to start when assisting a student with CPM mathematics is with the Parent Guide for the course your student is enrolled in. Download a copy of the Parent Guide located in your student's CPM eBook under Student Support within the Reference Tab at the left. Once in Student Support, select Parent Guide at the top menu.

  22. CC3 6.1.1: Key-Lock Puzzle (CPM)

    CC3 2.1.5: 2-49a and 2-49b Student eTools (CPM) CC3 2.1.6: 2-56a to 2-56f Student eTools (CPM) CC3 2.1.6: 2-57 Student eTool (CPM) CC3 2.1.7: 2-64, 2-65, 2-66a & 2-66b Student eTools (CPM) CC3 2.1.8: 2-72 & 2-74 Student eTools (CPM) CC3 2.1.9: 2-82a, 2-82b, & 2-82c Student eTools (CPM) Chapter 3 6. CC3 3.1.1: 3-1a & 3-1b Student eTool (CPM) CC3 ...

  23. Homework Help

    This professional learning is designed for teachers as they begin their implementation of CPM. This series contains multiple components and is grounded in multiple active experiences delivered over the first year. This learning experience will encourage teachers to adjust their instructional practices, expand their content knowledge, and ...