Math 3: Module 7: Solve Two-Step Word Problems - Course Guide


Module Overview:

In this module, students will construct and solve equations with a letter or symbol for an unknown number, identify when to add or subtract to solve a two-step word problem and determine the steps and operation of a two-step multiplication or division word problem. Students will define and use estimation strategies to solve a word problem.


Module Materials:

Lesson # Lesson Title Material(s)
1 Represent an Unknown Quantity with a Letter or Symbol scissors
crayons or colored pencils
pen or pencil
100 counters
2 Two Step Word Problems: Addition and Subtraction crayons or colored pencils
pen or pencil
3 Two Step Word Problems: Multiplication and Division crayons or colored pencils
pen or pencil
4 Two Step Word Problems: All Four Operations crayons or colored pencils
pen or pencil
5 Problem Solving: Reasonableness of Answers scissors
glue
crayons or colored pencils
pen or pencil

Module Objectives:

Lesson # Lesson Title Objective(s)
1 Represent an Unknown Quantity with a Letter or Symbol
  1. Construct and solve equations with a letter or symbol for the unknown number.
2 Two Step Word Problems: Addition and Subtraction
  1. Identify when to add or subtract to solve a two-step word problem.
3 Two Step Word Problems: Multiplication and Division
  1. Determine the steps and operation of a two step multiplication or division word problem.
4 Two Step Word Problems: All Four Operations
  1. Determine the steps and operations to use to solve a two step word problem.
5 Problem Solving: Reasonableness of Answers
  1. Define and use estimation strategies to solve a word problem.

Module Key Words:

Key Words
word problem
unknown number
equation
two step word problems
addition
subtraction
multiplication
division
problem solving
rounding
estimation

Module Assignments:

Lesson # Lesson Title Page # Assignment Title
1 Represent an Unknown Quantity with a Letter or Symbol 5 Hands-On
2 Two Step Word Problems: Addition and Subtraction 5 Hands-On 
3 Two Step Word Problems: Multiplication and Division 5 Hands-On
4 Two Step Word Problems: All Four Operations 5 Hands-On
5 Problem Solving: Reasonableness of Answers 5 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
Represent an Unknown Quantity with a Letter or Symbol
  1. How do you solve a word problem by finding an unknown quantity?
Two Step Word Problems: Addition and Subtraction
  1. How do you solve two-step word problems?
Two Step Word Problems: Multiplication and Division
  1. What is a two-step word problem?
Two Step Word Problems: All Four Operations
  1. How do you use multiplication, division, addition, and subtraction to solve a two-step word problem?
Problem Solving: Reasonableness of Answers
  1. How do we estimate to solve a word problem?

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
Represent an Unknown Quantity with a Letter or Symbol Unknown Instruments
  1. How do you find an unknown quantity to solve a word problem?
Two Step Word Problems: Addition and Subtraction Add and Subtract to Solve
  1. How can you use addition and subtraction to solve a two-step word problem?
Two Step Word Problems: Multiplication and Division Multiply and Divide to Solve
  1. How do you use multiplication and division to solve a two-step word problem?
Two Step Word Problems: All Four Operations Ticket Operations
  1. How do you use multiplication, division, addition, and subtraction to solve a two-step word problem?
Problem Solving: Reasonableness of Answers Reasonable Estimating
  1. How can you use rounding to know if an estimate to a word problem is reasonable or not?

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


Module Outing:

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

# Outing