Module 22: 3-Digit Subtraction-Math 2B - Course Guide
Module Overview:
In this module, students will subtract multiples of 100 mentally, identify the place values of a 3-digit number, and subtract a 3-digit number by breaking it apart into place values. Students will solve word problems using 3-digit subtraction.
Module Materials:
| Lesson # | Lesson Title | Material(s) |
|---|---|---|
| 1 | Subtract Hundreds |
crayons or colored pencils pen or pencil |
| 2 | Break Apart 3-Digit Numbers to Subtract (without Regrouping) |
scissors crayons or colored pencils pen or pencil |
| 3 | Break Apart 3-Digit Numbers to Subtract (with Regrouping) |
crayons or colored pencils pen or pencil |
| 4 | Subtract 3-Digit Numbers |
crayons or colored pencils pen or pencil |
| 5 | Problem Solving: 3-Digit Subtraction |
crayons or colored pencils pen or pencil |
Module Objectives:
| Lesson # | Lesson Title | Objective(s) |
|---|---|---|
| 1 | Subtract Hundreds |
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| 2 | Break Apart 3-Digit Numbers to Subtract (without Regrouping) |
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| 3 | Break Apart 3-Digit Numbers to Subtract (with Regrouping) |
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| 4 | Subtract 3-Digit Numbers |
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| 5 | Problem Solving: 3-Digit Subtraction |
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Module Key Words:
| Key Words |
|---|
|
thousand chart mental math place-value chart whole part difference regroup word problem key words |
Module Assignments:
| Lesson # | Lesson Title | Page # | Assignment Title |
|---|---|---|---|
| 1 | Subtract Hundreds | 4 | Hands-On |
| 2 | Break Apart 3-Digit Numbers to Subtract (without Regrouping) | 4 | Hands-On |
| 3 | Break Apart 3-Digit Numbers to Subtract (with Regrouping) | 4 | Hands-On |
| 4 | Subtract 3-Digit Numbers | 4 | Hands-On |
| 5 | Problem Solving: 3-Digit Subtraction | 4 | Hands-On |
Learning Coach Notes:
None
Module Guiding Questions:
When a student starts a lesson ask them questions to check for prior knowledge and understanding and to review concepts being taught. At the end of the lesson ask the questions again to see if their answer changes.
| Lesson Title | Question |
|---|---|
| Subtract Hundreds |
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| Break Apart 3-Digit Numbers to Subtract (without Regrouping) |
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| Break Apart 3-Digit Numbers to Subtract (with Regrouping) |
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| Subtract 3-Digit Numbers |
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| Problem Solving: 3-Digit Subtraction |
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Module Video Questions:
When a student watches a video take time to ask them questions about what they watched. Suggested questions for the videos in this module are listed here. Suggestion: Have the student watch the entire video first all the way through. Then have them watch the video a second time, as they watch it pause the video and ask the questions.
| Lesson Title | Video | Question |
|---|---|---|
| Subtract Hundreds | Subtract One Hundreds |
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| Break Apart 3-Digit Numbers to Subtract (without Regrouping) | Break Apart 3-Digit Numbers to Subtract |
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| Break Apart 3-Digit Numbers to Subtract (with Regrouping) | 3-Digit Subtracting with Regrouping |
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| Problem Solving: 3-Digit Subtraction | Subtraction Word Problems |
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Module Suggested Read Aloud Books:
Take time to read to your student or have them read aloud to you. Read a different book each day. While reading the book point out concepts being taught. You may purchase these books or find them at your local library. Suggested things to discuss while reading the book:
- What is the main idea?
- What are three things new you learned?
- How does this book relate to what you are learning about?
| # | Book | Author | Lexile Level |
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Module Outing:
Take some time to apply what your student is learning to the real world. Suggested outings are below.
| # | Outing |
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