# Module 27 - Math 1B - Course Guide

## Module Overview:

In this module, students will add within 20 to solve addition problems. Students will subtract within 20 to solve subtraction problems. Students will recognize and write ordinal numbers. Students will interpret and compare data using a tally chart. Students will relate counting to addition, counting by 2's.

## Module Materials:

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

Module Objectives:

Lesson # Lesson Title Objective(s)
1 27.1 Word Problems to 20 - Addition
2 27.2 Word Problems to 20 - Subtraction
1. Subtract within 20 to solve subtraction problems.
3 27.3 Ordinal Numbers
1. Recognize and write ordinal numbers.
4 27.4 Tally Charts
1. Interpret and compare data using a tally chart.
1. Relate counting to addition; counting by 2s.

Module Key Words:

Key Words
word problems
sums to 20
subtraction
ordinal numbers
write
tally marks
chart
compare
skip counting
2s

Module Assignments:

Lesson # Lesson Title Page # Assignment Title
1 27.1 Word Problems to 20 - Addition 2 Adventures in Australia
1 27.1 Word Problems to 20 - Addition 4 The Outback
2 27.2 Word Problems to 20 - Subtraction 2 Fiji Fun
2 27.2 Word Problems to 20 - Subtraction 4 Fiji Fruit
3 27.3 Ordinal Numbers 4 Chart Me!
4 27.4 Tally Charts 4 Tally Sally
5 27.5 Counting and Addition 4 The Eiffel Tower

## Learning Coach Notes:

Lesson # Lesson Title Notes
1 27.1 Word Problems to 20 - Addition Have your student make up some addition word problems in their math notebook and solve them.
2 27.2 Word Problems to 20 - Subtraction Have your student make up some subtraction word problems in their math notebook and solve them.
3 27.3 Ordinal Numbers Grab a set of objects and line them up, have your student identify each object's position in line using ordinal numbers.
4 27.4 Tally Charts Have your student tally different things around the house, such as balls, types of toys, types of snacks, etc. They can track their data in their math notebook.
5 27.5 Counting and Addition Play store with your student. Set up some items with prices. Ask your student how much it would cost to buy a certain amount of each item, using the adding by 2's strategy to find the answer.

## 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
27.1 Word Problems to 20 - Addition
1. What are the steps involved in solving word problems?
27.2 Word Problems to 20 - Subtraction
27.3 Ordinal Numbers
1. What is an ordinal number?
27.4 Tally Charts
1. What are tally marks?
1. Can you count by 2's to 100?

## 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
27.3 Ordinal Numbers Ordinal Numbers in Mexico
1. What are ordinal numbers?
2. Give examples of ordinal numbers.
27.4 Tally Charts Tallying in Africa
1. What is each tally mark worth?
2. What do you do when you get to 5 tally marks?
27.5 Counting and Addition Twos in Paris
1. How much will 5 croissants cost?
2. How much will 4 baguettes cost?
3. How much will 10 fruit tarts cost?
4. How much will 8 eclairs cost?

## 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 Henry the Fourth Stuart J. Murphy 450L

## Module Outing:

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

# Outing