# Module 23 - Math 1B - Course Guide

## Module Overview:

In this module, students learn the subtraction facts of 18 and 19. Students will fill in missing subtrahends in a number sentence. Students will recognize any number word less than 100. Students will fill in the numerator of a fraction. Students will give directions to get from one point to another on a map.

## Module Materials:

• Pencils
• Crayons or colored pencils
• Notebook
• Scissors
• Glue
• Highlighter
• Markers
• Blank paper

Module Objectives:

Lesson # Lesson Title Objective(s)
1 23.1 Subtraction
1. Learn the subtraction facts of 18 and 19.
2 23.2 Missing Subtrahends
1. Fill in missing subtrahends in a number sentence.
3 23.3 Number Words to 100
1. Recognize any number word less than 100.
4 23.4 Numerators
1. Fill in the numerator of a fraction.
5 23.5 Giving Directions
1. Give directions to get from one point to another on a map.

Module Key Words:

Key Words
subtraction
facts of 18
facts of 19
subtrahends
number words
1-100
fractions
numerators
directions
right
left

Module Assignments:

Lesson # Lesson Title Page # Assignment Title
1 23.1 Subtraction 2 What 18 Ate
1 23.1 Subtraction 4 Queen 19
2 23.2 Missing Subtrahends 4 Deals on Wheels
3 23.3 Number Words to 100 4 Magic Wand
4 23.4 Numerators 2 Hi, Pie! Bye, Pie!
4 23.4 Numerators 4 Flower Power!
5 23.5 Giving Directions 4 Race Day

## Learning Coach Notes:

Lesson # Lesson Title Notes
1 23.1 Subtraction Practice subtraction facts with your student using subtraction flashcards. Show 1 card at a time to your student the ones they get right they keep, the ones they get wrong you keep, the person with the most cards at the end wins.
2 23.2 Missing Subtrahends Give your student 5 subtraction problems to solve in their math notebook with a subtrahend missing in each problem.
3 23.3 Number Words to 100 On index cards, write the numbers 1 to 100 (1 number on each card). Next, write the number words 1 to 100 ( 1 word on each card). Mix up the cards and set them face down in rows. Have your student play a game of memory matching the number to its number word.
4 23.4 Numerators Draw 5 shapes and divide each shape equally into fractions. Shade in a certain amount of parts on each shape. Have your student write the fraction for what is shaded on each shape and identify each fraction's numerator.
5 23.5 Giving Directions Have your student draw a map to show the direction to go to get from their house to a place they can walk to, such as a park, school, store, or friend's house.

## 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
23.1 Subtraction
1. Do you know your subtraction facts to 19?
23.2 Missing Subtrahends
1. How can you figure out what the missing subtrahend is in a subtraction problem?
23.3 Number Words to 100
1. Can you count from 1 to 100?
23.4 Numerators
1. What is a numerator?
23.5 Giving Directions

## 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
23.2 Missing Subtrahends The Candy Shop
1. How many lollipops were sold?
2. How many gummy bears were sold?
3. How many chocolates were sold?
4. How many gumballs were sold?
5. What strategies were used to solve the subtraction problems in this video?
23.3 Number Words to 100 Video Bingo
1. In your math notebook, write down the numbers called in Bingo and write the number word for each number you write down.
23.5 Giving Directions Which Way to the Bay?
1. How do they use a map in this video?

## 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 One Hundred Hungry Ants Elinor Pinczes 650L
2 Let's Count to 100! Masayuki Sebe
3 Fraction Action Loreen Leedy 530L
4 Fraction Fun David A. Adler 580L
5 Follow That Map!: A First Book of Mapping Skills Scot Ritchie 590L

## Module Outing:

Take some time to apply what your student is learning to the real world. Suggested outings are below.

# Outing