Math 9

Unit 3 Rational Numbers

Lesson 934 Multiplying Rational Numbers

Getting Started

This is optional,  but HERE IS A LINK to a video explaining the “bank model” for multiplying integers.

It's a useful way to help show why multiplying integers gives the answers it does.

But... it's also just a model... so it has it's limitations.

You (hopefully) would have seen this  model when you covered multiplication of integers in a previous math class.

Focus

The FOCUS section introduces the main concept that will be covered in the lesson.

TEXT Page 123

Read/Work through the  Focus  section at the top of page 123 in  your textbook.

Watch

Video Tutorial

Investigate

Investigate an idea or problem, with a partner if possible.
The investigation provides the background for the ideas presented in the lesson.

TEXT Page 123

Read/Work through the  Investigate  section on Page 123 in your textbook.

You can do this activity on your own.
Do your best to answer the questions, then watch the Video Tutorial for help or to check your answers.

Watch

Video Tutorial

Connect

Connect summarizes the math in the lesson.
A presentation of ideas connected to the lesson focus.

TEXT Page 124

Read/Work through the  Connect  section on Page 124 in your textbook.

Examples

Examples will give you TOOLS for solving problems, and also show you that there may be different ways to approach a question.

Example 1  Multiplying Rational Numbers in Fraction or Mixed Number Form

TEXT Pages 124-125

Work through Example 1 on Pages 124 - 125  in your textbook.

Watch

Video Tutorial

Example 2  Multiplying Rational Numbers to Solve Problems

TEXT Page 126

Work through Example 2 on Page 126 in your textbook.

Watch

Video Tutorial

Example 3  Multiplying Rational Numbers in Decimal Form

TEXT Pages 126- 127

Work through Example 3 on Pages 126 - 127  in your textbook.

Watch

Video Tutorial

Practice Problems

Doing Practice Problems

Practice problems reinforce the math presented in this lesson.

•	Work through the practice problems for this lesson.
	These problems are for practice, you don’t need to hand them in!
	(your teacher may assign specific questions for you to complete)

•	Use the answers in the back of the book to CHECK YOUR WORK!

•	If you make a mistake, TRY TO FIX IT!

•	If you need help or want more information, view the video solutions provided.

•	If you still need more help,  CONTACT YOUR TEACHER!

Types of Practice Problems

Discuss the Ideas invites you to talk about the math.
If possible share your thoughts/ideas/answers with another person.
If you can help them understand, then you likely have good understanding yourself.

Check questions require basic understanding of the ideas of the  lesson.

Apply questions will require you to dig deeper for a solution.

Take It Further questions offer enrichment and extension.

Video Solution Links

Check your work for every problem you do!
If you make a mistake,  try to fix it!
Use the video solutions for more information.
If a problem still doesn’t make sense, ASK YOUR TEACHER FOR HELP!

({{"Question 1", "Question 2", "Question 3", "Question 4", "Question 5"}, {"Question 6", "Question 7", "Question 8", "Question 9", "Question 10"}, {"Question 11", "Question 12", "Question 13", "Question 14", "Question 15"}, {"Question 16", "Question 17", "Question 18", , }})