Module 21  Math KB  Course Guide
Module Overview:
In this module students will work with sets to identify sets with one less object in them. They will create story problems while subtracting from 5. They will recognize and use number words from zero to ten. Students will solve story problems with sums to 7 and will add using the commutative property.
Module Materials:
Lesson #  Lesson Title  Material(s) 

1  21.1 Sets with Less 
pen or pencil crayons or colored pencils 
2  21.2 Set Subtraction  pen or pencil; 
3  21.3 Word Numbers 
pen or pencil crayons or colored pencils 
4  21.4 Story Problems that Add to 7  pen or pencil; 
5  21.5 Commutative Property  pen or pencil; 
Module Objectives:
Lesson #  Lesson Title  Objective(s) 

1  21.1 Sets with Less 

2  21.2 Set Subtraction 

3  21.3 Word Numbers 

4  21.4 Story Problems that Add to 7 

5  21.5 Commutative Property 

Module Key Words:
Key Words 

subtract by one sets story problems subtract from 5 word numbers zero to ten add to 7 commutative 
Module Assignments:
Lesson #  Lesson Title  Page #  Assignment Title 

1  21.1 Sets with Less  5  Sets With One Less Assignment 
2  21.2 Set Subtraction  4  Take From Five Assignment 
3  21.3 Word Numbers  4  Read, Write, and Count! Assignment 
4  21.4 Story Problems that Add to 7  5  If You Were a Plus Sign Assignment 
5  21.5 Commutative Property  4  Rainbow to Ten Assignment 
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 

21.1 Sets with Less 

21.2 Set Subtraction 

21.3 Word Numbers 

21.4 Story Problems that Add to 7 

21.5 Commutative Property 

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 

21.1 Sets with Less  One is Missing 

21.2 Set Subtraction  The Story Brothers 

21.5 Commutative Property  Share the Road 

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 

1  Hershey's Kisses Subtraction Book  Jerry Pallotta  AD530L 
2  Ten Black Dots  Donald Crews  AD410L 
3  Domino Addition  Lynette Long  AD660L 
Module Outing:
Take some time to apply what your student is learning to the real world. Suggested outings are below.
#  Outing 
